German Vacuum Casting Low Partial Discharge IP20 or IP23 EnclosureDry-Type Transformers
The 11kV cast-resin dry-type transformer is a core equipment for medium-voltage distribution systems. Utilizing a vacuum-cast epoxy resin insulation and air convection cooling design, it combines the benefits of being oil-free, eco-friendly, and highly flame-retardant with exceptional electrical stability. It is perfectly suited for 11kV distribution scenarios with strict safety requirements, such as industrial parks, commercial complexes, large hospitals, data centers, and high-precision manufacturing plants. Capable of operating reliably in standard climates (-25℃ to 40℃), it effectively meets the transmission and distribution needs of medium-capacity systems.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Resin Cast Insulation + Air Convection Cooling (Fully enclosed, dustproof, moisture-proof).
• Warranty: 3-Year Standard Warranty.
The 30kVA cast-resin dry type transformer is a core equipment for small-scale distribution systems. Utilizing an enhanced resin-cast insulation and natural air cooling design, this 30kva dry type transformer combines the eco-friendly, fire-resistant benefits of dry-type technology with the compact, flexible convenience of small electrical equipment. It is highly suited for locations demanding high safety standards, such as small retail shops, villas, small office buildings, community centers, laboratories, and independent remote sites. Our 30 kva dry type transformer provides stable power transmission and distribution in standard climates (-25℃ to 40℃).
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast Insulation + Natural Air Cooling (Thickened resin, anti-corrosion).
• Warranty: 3-Year Standard Warranty.
The 35kV cast-resin dry type transformer is a core equipment for medium-high voltage and large-capacity distribution systems. Utilizing an enhanced resin-cast insulation and a dual-mode highly efficient cooling system (natural + forced air), it combines the eco-friendly, fire-resistant benefits of dry-type equipment with the supreme insulation and voltage endurance of 35kV power systems. 35kv dry type transformer is perfectly suited for regional grid hubs, large industrial park main stations, data centers, modern chemical/mining plants, and renewable energy integrations. It provides long-term, stable large-capacity transmission in standard climates (-25℃ to 40℃).
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast + 35kV High Insulation + Dual-Mode Cooling.
• Warranty: 3-Year Standard Warranty.
The 50kVA cast-resin dry type transformer is a core equipment for small-capacity distribution systems. Utilizing an enhanced resin-cast insulation and a highly efficient natural air cooling design, it combines the eco-friendly, zero-fire-risk benefits of dry-type equipment with an ultra-compact footprint. This 50 kva dry type transformer is highly suitable for small-scale distribution scenarios with strict safety demands, such as small retail shops, community public facilities (streetlights, security), remote rural households, and small laboratories. It provides highly reliable and stable power transmission in standard climates (-25℃ to 40℃).
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast + Natural Air Cooling (Compact, anti-corrosion).
• Warranty: 3-Year Standard Warranty.
The 150kVA cast-resin dry type transformer is a dedicated medium-capacity distribution equipment. It is perfectly adapted to the power demands of small and medium-sized factories, commercial complexes, high-rise buildings, and data centers, providing stable power directly to dynamic equipment, lighting systems, and precision instruments. Utilizing a high-permeability CRGO silicon steel core and oxygen-free copper windings treated with epoxy resin vacuum casting or VPI processes, 150kva dry type transformer ensures highly efficient, flame-retardant, and zero-hazard operations.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (Ultra-low no-load and load losses).
• Cooling Mode: AN / AF (Forced air cooling boosts capacity by 30% to 195kVA).
• Protection & Insulation: Class F/H Insulation, IP20/IP23 (Indoor), customizable IP54 (Outdoor).
The 225kVA cast-resin dry-type transformer is a highly robust, medium-capacity three-phase distribution equipment. It is expertly designed to satisfy centralized power demands for dynamic production lines in mid-sized factories, large supermarkets, office buildings, and hospital outpatient departments. Utilizing a high-permeability CRGO silicon steel core alongside oxygen-free copper windings treated with advanced vacuum casting or VPI technology, it forms a hermetic, oil-free insulation barrier. This guarantees exceptional flame retardancy, low noise, and stable load-bearing capabilities when multiple devices run simultaneously.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (Compliant with national standards for superior energy savings).
• Cooling Mode: Dual-Mode AN/AF (Capacity surges to 292.5kVA under forced air).
• Protection: IP20/IP23 for indoor use, scalable to fully enclosed IP54 for outdoor applications.
The 63kVA cast-resin dry-type transformer is a core equipment optimized for small-capacity distribution systems. Utilizing enhanced resin-cast insulation and a highly efficient natural air cooling system, it merges the eco-friendly, zero-fire-risk advantages of dry-type equipment with an ultra-compact and highly stable physical footprint. It is incredibly suitable for demanding small-scale scenarios such as retail shops, community facilities (streetlights, EV charging stations), remote multi-household power, and small laboratories. It guarantees steady performance in standard climates (-25℃ to 40℃).
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast + Natural Air Cooling (Anti-condensation, ultra-lightweight).
• Warranty: 3-Year Standard Warranty.
The 100kVA cast-resin dry-type transformer is a mainstream core equipment for medium-small capacity power distribution. Employing a vacuum-cast resin insulation structure and an efficient air convection cooling system, it flawlessly combines zero-oil environmental safety with robust power-grade stability. It is the premier choice for pollution-sensitive and highly populated areas such as high-rise residential buildings, hospitals, schools, data centers, and precision industrial plants. Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Resin Cast Insulation + Air Convection Cooling (Ultra-quiet operation).
• Warranty: 3-Year Standard Warranty.
The 300kVA cast-resin dry-type transformer is a core equipment for medium-to-small capacity distribution systems. Utilizing an enhanced resin-cast insulation and an optional dual-mode natural/forced air cooling system, it merges the eco-friendly, zero-fire-risk benefits of dry-type equipment with high efficiency and adaptability. It is highly suitable for medium-small industrial parks, office buildings, residential substations, hospitals, schools, and mid-sized data centers. It provides highly reliable and stable power transmission in standard climates (-25℃ to 40℃).
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast + Natural/Forced Air Cooling (Anti-corrosion, zero-leakage).
• Warranty: 3-Year Standard Warranty.
The 400kVA cast-resin dry-type transformer is a core equipment for medium-capacity distribution systems. Utilizing enhanced resin-cast insulation and a dual-mode natural/forced air cooling system, it flawlessly merges zero-fire-risk environmental safety with robust mid-range power stability. It is the premier choice for pollution-sensitive and highly populated areas such as small industrial parks, commercial complexes, precision manufacturing plants, and community hospitals. Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Resin Cast Insulation + AN/AF Dual Cooling (Volume reduced by 20%~30%).
• Warranty: 3-Year Standard Warranty.
The 500kVA cast-resin dry-type transformer is a core equipment for medium-capacity distribution systems. Utilizing enhanced resin-cast insulation and a dual-mode natural/forced air cooling system, it flawlessly merges zero-fire-risk environmental safety with robust mid-range load-bearing stability. It is the premier choice for pollution-sensitive and highly populated areas such as mid-sized industrial parks, commercial main stations, precision manufacturing plants, and public hubs (hospitals, sports centers). Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Resin Cast Insulation + AN/AF Dual Cooling (Highly robust, compact).
• Warranty: 3-Year Standard Warranty.
The 500kVA cast-resin dry-type transformer is a core equipment for medium-capacity distribution systems. Utilizing enhanced resin-cast insulation and a dual-mode natural/forced air cooling system, it flawlessly merges zero-fire-risk environmental safety with robust mid-range load-bearing stability. It is the premier choice for pollution-sensitive and highly populated areas such as mid-sized industrial parks, commercial main stations, precision manufacturing plants, and public hubs (hospitals, sports centers). Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Resin Cast Insulation + AN/AF Dual Cooling (Highly robust, compact).
• Warranty: 3-Year Standard Warranty.
The 800kVA cast-resin dry-type transformer is a core equipment for medium-capacity distribution systems. Utilizing enhanced resin-cast insulation and an efficient dual-mode natural/forced air cooling system, it flawlessly merges zero-fire-risk environmental safety with robust continuous load-bearing stability. This 800 kva dry type transformer is the premier choice for large commercial complexes, industrial park standard factories, high-rise buildings, municipal stadiums, and hospital main power stations. Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised medium-scale electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast + AN/AF Dual Cooling.
• Warranty: 3-Year Standard Warranty (covers core and critical auxiliary components).
The 1000 kva dry type transformer is a highly reliable and efficient power distribution solution designed for commercial and industrial applications. Unlike oil-filled alternatives, the 1000 kva dry type transformer uses air as the cooling medium, eliminating fire hazards and environmental contamination risks. It features excellent insulation performance, low noise operation, and minimal maintenance requirements, making it ideal for indoor installations such as hospitals, schools, and data centers. With a compact design and superior overload capacity, the 1000 kva dry type transformer ensures stable voltage output and long service life, delivering outstanding value for modern electrical systems.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast Insulation + AN/AF Dual Cooling.
• Warranty: 3-Year Standard Warranty (covers core components).
The 1600 kva dry type transformer is a highly reliable and energy-efficient power distribution solution, widely adopted in commercial and industrial applications. Unlike conventional oil-immersed units, this 1600 kva dry type transformer utilizes air-cooled insulation, completely removing fire hazards and greatly reducing ongoing maintenance needs. Engineered with Class H insulation, it delivers outstanding thermal stability and ultra-low noise operation, making it perfectly suited for sensitive indoor environments. Its compact design, excellent overload capacity, and eco-friendly construction make the 1600 kva dry type transformer the preferred choice for hospitals, data centers, office buildings, and any facility requiring safe, dependable power delivery with minimal environmental impact and extended long-term service life.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast Insulation + Highly Efficient Forced Air Cooling.
• Warranty: 3-Year Standard Warranty (covers core components).
The 2000 kva dry type transformer is a reliable and efficient power distribution solution widely used in commercial, industrial, and residential applications. Unlike oil-filled units, the 2000 kva dry type transformer uses air as the cooling medium, making it fire-resistant, environmentally friendly, and safe for indoor installation. It features low noise operation, minimal maintenance requirements, and excellent insulation performance. With high overload capacity and strong short-circuit resistance, the 2000 kva dry type transformer ensures stable voltage output and long service life, making it an ideal choice for modern electrical systems.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast Insulation + Highly Efficient Forced Air Cooling.
• Warranty: 3-Year Standard Warranty (covers core components).
The 2500kVA cast-resin dry-type transformer is a core equipment designed for large-capacity distribution systems. Utilizing enhanced resin-cast insulation and a highly efficient forced air cooling system, it flawlessly merges zero-fire-risk environmental safety with immense, continuous load-bearing stability. It is the premier choice for large-scale distribution scenarios such as major industrial park main substations, massive commercial centers, high-density data centers, modern chemical plants, and city grid main lines. Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised large-scale electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast Insulation + Highly Efficient Forced Air Cooling.
• Warranty: 3-Year Standard Warranty.
The 3000kVA cast-resin dry-type transformer is a core equipment designed for massive-capacity distribution systems. Utilizing enhanced resin-cast insulation and a highly efficient forced air cooling system, it flawlessly merges zero-fire-risk environmental safety with immense, continuous load-bearing stability. It is the premier choice for large-scale distribution scenarios such as major industrial park main substations, massive commercial centers, high-density data centers, modern chemical plants, and city grid main lines. Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised large-scale electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast Insulation + Highly Efficient Forced Air Cooling.
• Warranty: 3-Year Standard Warranty.
The single-phase cast-resin dry-type transformer is a core transforming equipment specifically engineered for single-phase distribution systems. Utilizing solid insulation materials (epoxy resin, Nomex paper) and air as the cooling medium, its completely oil-free design ensures absolute safety and zero maintenance. Highly suited for 220V/380V civil and small-scale industrial applications, it perfectly adapts to lighting, machine tool control, precision instruments, and localized power supply needs, delivering robust and silent power transformation.
Core Parameters:
• Rated Voltage: HV 220V/380V matched with customized LV 12V/24V/110V/220V outputs.
• Structure: Solid Resin/Nomex Insulation + Pure Copper Winding (IP20/IP23).
• Capacity: Scalable from 0.5kVA up to 100kVA.
The single-phase cast-resin dry-type transformer is a core transforming equipment specifically engineered for single-phase distribution systems. Utilizing solid insulation materials (epoxy resin, Nomex paper) and air as the cooling medium, its completely oil-free design ensures absolute safety and zero maintenance. Highly suited for 220V/380V civil and small-scale industrial applications, it perfectly adapts to lighting, machine tool control, precision instruments, and localized power supply needs, delivering robust and silent power transformation.
Core Parameters:
• Rated Voltage: HV 220V/380V matched with customized LV 12V/24V/110V/220V outputs.
• Structure: Solid Resin/Nomex Insulation + Pure Copper Winding (IP20/IP23).
• Capacity: Scalable from 0.5kVA up to 100kVA.
The low-voltage dry-type transformer utilizes air or solid insulating materials as its primary cooling and insulation medium, operating entirely without insulating oil. Featuring a rated voltage typically at or below 1000V on the low-voltage side, its core advantages lie in exceptional fire safety, environmental friendliness, and highly simplified maintenance. It is optimally designed for indoor applications and densely populated areas, seamlessly adapting to commercial high-rises, industrial workshops, and residential basements.
Core Parameters:
• Rated Capacity: 10kVA ~ 2500kVA (Forced air boosts capacity by 30%~50%).
• Voltage Configuration: HV 10kV/6kV | LV 380V/400V (Three-Phase).
• Protection: IP20 / IP23 for safe indoor integration.
The pad-mounted dry-type transformer is a core distribution equipment uniquely designed with a specialized weight-bearing pad-mount base. Utilizing enhanced resin-cast insulation and highly efficient natural/forced air cooling, it merges the oil-free, eco-friendly, and fire-resistant benefits of dry-type systems with the immense space-saving convenience of pad-mounted setups. It is exceptionally well-suited for confined installation environments such as high-rise electrical mezzanines, compact prefabricated substations, immediate machine-side placements in factories, and old building grid retrofits.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Resin Cast + Pad-Mount Base (Volume reduced by 20%~30%, ≤1000kg for ≤800kVA).
• Warranty: 3-Year Standard Warranty.
The encapsulated dry-type transformer represents an advanced upgrade from standard models. Utilizing a fully sealed encapsulation process, the core and windings are entirely wrapped in a protective shell, completely isolating them from ambient dust, moisture, and corrosive gases. Its ultimate advantage lies in its extreme environmental weather resistance. It is purposely built for harsh environments such as highly humid coastal areas, heavy-dust cement plants, chemical factories with corrosive atmospheres, and challenging outdoor utility applications.
Core Parameters:
• Rated Capacity: 10kVA ~ 2500kVA (AF mode boosts capacity by 30%~50%).
• Rated Voltage: HV 10kV/6kV | LV 380V/400V/690V.
• Protection Level: Main body IP54 (Dust/Splash proof), expandable to IP65 with specialized enclosures.
The dry-type substation transformer is the core power distribution equipment tailored specifically for medium and small-scale substations. Utilizing enhanced resin-cast insulation and a high-strength, compact substation cabinet design, it merges the eco-friendly, zero-fire-risk benefits of dry-type equipment with high centralized distribution stability. It is exceptionally well-suited for industrial plant substations, commercial complex main centers, high-rise utility stations, and renewable energy prefab substations. It guarantees steady performance in standard climates (-25℃ to 40℃).
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Resin Cast + Substation-Grade Compact Cabinet (Weighs ≤1500kg for ≤1250kVA).
• Warranty: 3-Year Standard Warranty.
The dry-type current transformer is a critical component for precision current measurement and relay protection within modern power systems. Utilizing a solid insulation process—vacuum-cast epoxy resin or unsaturated resin—it operates completely free of oil, gas, and pollution. Designed based on advanced electromagnetic induction principles, it precisely steps down high primary currents to standard low secondary currents (5A or 1A). Highly compact and flame-retardant, it is widely installed in switchgears, distribution panels, and outdoor lines to ensure intelligent grid safety.
Core Parameters:
• Rated Voltage: 10kV / 20kV / 35kV.
• Accuracy Class: Measurement (0.2 / 0.5) | Protection (5P10 / 10P20).
• Structure: Solid Resin Cast (Class F/H Insulation, Maintenance-Free).
The air-cooled dry-type transformer operates without the use of insulating oil, utilizing ambient air as its primary cooling medium through Natural Air (AN) or Forced Air (AF) convection. Its core advantages lie in being completely fireproof, explosion-proof, environmentally friendly, and virtually maintenance-free. With its advanced thermal dynamics and intelligent cooling fans, it seamlessly adapts to strict safety zones, indoor electrical rooms, densely populated commercial buildings, industrial hubs, and renewable energy integration scenarios.
Core Parameters:
• Cooling Mode: Dual AN / AF (Activating cooling fans boosts capacity by 1.3x to 1.5x).
• Voltage Configuration: HV 10kV/20kV/35kV | LV 0.4kV.
• Insulation Class: Class F (155℃) or Class H (220℃) for supreme heat tolerance.
The dry-type step-down transformer is a precision-engineered piece of indoor distribution equipment. Designed with high-strength insulation, acoustic optimization, and a highly precise step-down coil structure, it acts as the vital link translating medium grid voltage into usable low voltage. Achieving the highest Tier 1 (NX1) energy efficiency standard, it reduces losses by 35%~45%. It operates oil-free, making it the supreme choice for commercial complexes, high-rise utility rooms, large industrial plants, and advanced data centers requiring uncompromising safety and long-term energy savings.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (GB 20052-2024 NX1), drastically lowering OPEX.
• Structure: Precise Step-Down Coils + High-Grade Silicon Steel Core (Partial Discharge ≤5pC).
• Enclosure: IP40+ Custom Cabinets available for enhanced indoor protection.
The dry-type distribution transformer is the ultimate centralized power hub for indoor and medium-small substations. Engineered with high-strength resin insulation, acoustic optimization, and a highly stable distribution structure, it securely delivers accurate power. Achieving the highest Tier 1 (NX1) energy efficiency standard, it reduces losses by 35%~45%. Its oil-free, dust-proof nature makes it the safest and most reliable choice for commercial skyscrapers, large factory floors, municipal facilities, and advanced data centers aiming for long-term continuous operation with minimal OPEX.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (GB 20052-2024 NX1), maximizing long-term energy ROI.
• Structure: Stable Distribution Coils + High-Grade Silicon Steel (Partial Discharge ≤5pC).
• Enclosure: IP40+ Custom Cabinets available for complex indoor integrations.
The dry-type step-up transformer is a specialized power transmission equipment designed to elevate low-voltage energy to higher voltage levels. Utilizing an oil-free, air-cooled insulation structure, it seamlessly merges the ultimate fire safety of dry-type equipment with high-efficiency power elevation. It is widely deployed in renewable energy grid integration (solar PV/wind power stations), long-distance power transmission, and industrial captive power plants. Operating flawlessly without maintenance, it ensures a highly stable, fireproof, and eco-friendly step-up power supply.
Core Parameters:
• Rated Capacity: Custom scales up to multi-MVA ranges (AF cooling boosts capacity).
• Voltage Configuration: Low Voltage input (e.g., 0.4kV/0.69kV) stepped up to High Voltage (10kV/35kV).
• Structure: High-Strength Resin Cast + Superior Overload Resilience.
The cast-resin dry-type transformer is the ultimate centralized power hub for indoor and medium-large substations. Engineered with high-strength vacuum-cast epoxy resin, acoustic optimization, and a highly stable distribution structure, it delivers accurate, oil-free power. Achieving the stringent Tier 1 (NX1) energy efficiency standard, it reduces losses by 35%~45%. Its dust-proof, zero-fire-risk nature makes it the safest and most reliable choice for commercial skyscrapers, large factory floors, municipal facilities, and advanced data centers aiming for continuous operation with minimal OPEX.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (GB 20052-2024 NX1), maximizing energy ROI.
• Structure: Solid Resin Cast Insulation + High-Grade Silicon Steel (Partial Discharge ≤5pC).
• Enclosure: IP40+ Custom Cabinets available for complex indoor integrations.
The dry-type lighting transformer is a specialized, compact transforming unit designed exclusively for lighting circuits, localized machine power, and precision instrument distribution. Utilizing ambient air as the cooling medium and high-strength solid insulation processes (epoxy resin or VPI), it operates 100% oil-free. By stepping down standard grids (220V/380V) to extremely safe low voltages (36V/24V/12V), it thoroughly eliminates fire and electrical shock hazards. It is highly favored in shopping malls, hospitals, damp factory zones, subway stations, and machine tool control cabinets.
Core Parameters:
• Rated Voltage: Input 220V/380V | Custom Output 36V/24V/12V (or 220V isolation).
• Structure: Single-Phase / Three-Phase Solid Insulation (Ultra-compact, wall/floor mount).
• Application: Dedicated low-voltage lighting and localized safety power.
The cast-resin dry-type auto-transformer (ZSCB Series) represents a highly efficient, space-saving engineering marvel for centralized distribution. Unlike standard isolation transformers, it shares a common winding for both high and low voltage, enabling direct energy transfer. This architectural advantage slashes no-load and load losses by 30%~50%, drastically reduces the physical footprint, and lowers capital costs. Encapsulated in flame-retardant solid resin, it is the premier choice for large substations, industrial power grids, commercial high-rises, and renewable energy plants where electrical isolation is not strictly required.
Core Parameters:
• Energy Efficiency: Surpasses standard Tier 2 ratings (Losses dropped by 30%~50%).
• Structure: Shared Auto-Winding + High-Strength Resin Cast (Compact & Lightweight).
• Cooling Mode: Dual AN/AF (Forced air safely accommodates peak load surges).
The 10kV cast-resin dry-type power transformer series (encompassing SCB10 through SCB18) represents the pinnacle of three-phase, full-copper indoor distribution technology. Strictly adhering to the GB/T 10228-2015 national standards, these transformers are meticulously engineered for urban power grids, industrial hubs, and renewable energy integrations. Supported by high-purity oxygen-free copper windings and robust epoxy resin vacuum casting, they deliver unparalleled low-loss performance, exceptional reliability, and an extended operational lifecycle.
Core Parameters:
• Voltage Configuration: 10kV (or 35kV) stepped down to 0.4kV.
• Efficiency Portfolio: Ranges from standard SCB10 up to ultra-efficient SCB18 models.
• Structure: Full Copper Windings + Vacuum Resin Cast (Class H / 180℃ Insulation).
The 10kV SCB14 series represents the cutting edge of full-copper dry-type transformers, meticulously developed to exceed strict modern energy regulations. Utilizing a highly optimized full-copper winding structure and a low-loss high-grade silicon steel core, it proudly achieves Tier 1 (NX1) energy efficiency under the GB 20052-2024 standards. Entirely oil-free, highly flame-retardant, and delivering remarkably low noise, it is the ultimate distribution solution for demanding indoor environments, including commercial skyscrapers, municipal facilities, data centers, and modern industrial plants.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (NX1), reducing no-load losses by over 20%~35% compared to legacy models.
• Structure: Full Copper Windings + Vacuum Resin Cast (IP40 custom enclosures available).
• Warranty: 5-Year Comprehensive Warranty with 24-hour rapid technical response.
The 10kV SCB13 series represents a highly mature and energy-saving solution in full-copper dry-type distribution. Engineered with a highly stable full-copper winding structure and a low-loss silicon steel core, it achieves Tier 1 (NX1) energy efficiency under the GB 20052-2024 standards. Entirely oil-free, highly flame-retardant, and highly resistant to moisture and dust, it is widely utilized in indoor substations, commercial hubs, municipal stadiums, and data centers seeking robust reliability coupled with long-term energy savings.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (NX1), reducing no-load losses by 20%~30% compared to legacy SCB11 models.
• Structure: Full Copper Windings + Vacuum Resin Cast (IP40 custom enclosures available).
• Warranty: 5-Year Comprehensive Warranty with guaranteed rapid technical response.
The 10kV SCB18 series represents the absolute pinnacle of ultra-efficient dry-type transformers. Engineered with an advanced, lightweight all-aluminum winding structure (with full copper optional), it achieves unprecedented energy savings, proudly exceeding the highest Tier 1 (NX1) standards of GB 20052-2024. Featuring an incredibly low noise profile and extreme fire safety through vacuum resin casting, it is the premier choice for highly energy-sensitive and cost-conscious environments such as modern commercial complexes, high-tech industrial plants, and municipal data centers seeking maximized ROI.
Core Parameters:
• Energy Efficiency: Super Tier 1 (NX1), cutting no-load losses by ~30% and load losses by ~10% vs SCB12.
• Structure: All-Aluminum Windings (Copper optional) + Vacuum Resin Cast (IP40 custom enclosures).
• Warranty: 5-Year Comprehensive Warranty backed by rapid 24-hour response.
The indoor cast-resin dry-type transformer is a highly reliable distribution core specifically engineered for indoor substations, high-rise electrical rooms, and commercial data centers. Utilizing a high-strength vacuum-cast epoxy resin insulation, it operates completely free of oil, ensuring absolute fire safety and zero pollution. Designed with a compact footprint and optimized for low noise, it seamlessly integrates into indoor switchgear lineups. It delivers highly stable power transmission for localized load centers while complying with Tier 2 energy efficiency standards.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024 NX2).
• Structure: Indoor Compact Design + Vacuum Resin Cast (IP20/IP40).
• Cooling Mode: AN / AF Dual Mode (Forced air safely boosts capacity by up to 30%).
The outdoor cast-resin dry-type transformer represents an advanced engineering leap, breaking the boundary that dry-type units are only for indoor use. By pairing a high-strength epoxy resin or Nomex/VPI insulated core with a heavily sealed, weather-proof enclosure (IP54/IP65), it confidently operates in direct outdoor environments. It completely eliminates the fire, explosion, and oil-leak risks of traditional outdoor oil-immersed transformers. It is the ultimate solution for urban street networks, renewable energy solar/wind stations, coastal facilities, and heavy industrial parks demanding zero-maintenance outdoor power.
Core Parameters:
• Protection Level: IP54 (Standard Outdoor) / IP65 (Extreme Weather/Coastal).
• Structure: Solid Resin Cast + Anti-Corrosion Enclosure (Rain, Dust, UV Resistant).
• Voltage Configuration: 10kV / 20kV / 35kV to 0.4kV.
The cast-resin dry-type transformer is the ultimate centralized power hub for indoor and medium-large substations. Engineered with high-strength vacuum-cast epoxy resin, acoustic optimization, and a highly stable distribution structure, it delivers accurate, oil-free power. Achieving the stringent Tier 1 (NX1) energy efficiency standard, it reduces losses by 35%~45%. Its dust-proof, zero-fire-risk nature makes it the safest and most reliable choice for commercial skyscrapers, large factory floors, municipal facilities, and advanced data centers aiming for continuous operation with minimal OPEX.
Core Parameters:
• Energy Efficiency: Tier 1 Efficiency (GB 20052-2024 NX1), maximizing energy ROI.
• Structure: Solid Resin Cast Insulation + High-Grade Silicon Steel (Partial Discharge ≤5pC).
• Enclosure: IP40+ Custom Cabinets available for complex indoor integrations.
As a professional manufacturer of cast-resin dry-type transformers, we provide the highly reliable SCB10 series designed for centralized distribution grids. Manufactured under strict IEC standards, it utilizes vacuum epoxy casting and a high-strength cabinet structure, offering the perfect balance of Tier 2 energy efficiency and exceptional cost-effectiveness. It is completely oil-free, flame-retardant, and built to withstand harsh environments, including high altitudes up to 4000m and 90% humidity. It is widely supplied to medium/small substations, commercial high-rises, municipal utility stations, and industrial parks.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024).
• Structure: Vacuum Resin Cast + Copper Foil Low Voltage Winding.
• Warranty & Support: 3-Year Warranty with 24-hour nationwide technical dispatch.
The SCB10 all-aluminum 10kV dry-type transformer represents the perfect synergy of robust power delivery and ultimate cost-effectiveness. By utilizing highly optimized aluminum winding structures paired with premium vacuum-cast epoxy resin, it delivers reliable, oil-free, and flame-retardant power distribution. Meeting Tier 2 (NX2) energy efficiency standards, it drastically lowers both initial capital expenditure and long-term operational costs. It is the premier choice for budget-conscious projects, including rural grid expansions, standard industrial workshops, legacy residential upgrades, and decentralized municipal facilities.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024).
• Structure: All-Aluminum Windings + High-Strength Resin Cast (Lightweight & Highly Cost-Effective).
• Warranty: Fully backed by manufacturer warranty and 24-hour technical support.
The three-phase cast-resin dry-type transformer is the foundational power distribution core for modern substations. Strictly conforming to IEC and national standards, it utilizes vacuum-cast epoxy resin and an efficient natural/forced air cooling system. It seamlessly merges the oil-free, eco-friendly, and fire-resistant benefits of dry-type systems with the immense stability required for three-phase centralized distribution. It is highly suitable for medium-small industrial parks, commercial complexes, municipal public utilities, and renewable energy integrations, operating flawlessly in standard and customized harsh environments.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024 NX2).
• Structure: High-Strength Resin Cast + Foil LV Windings (Robust short-circuit resistance).
• Cooling Mode: AN / AF Dual Mode (Forced air safely boosts capacity during peak loads).
The general-purpose dry-type transformer is the highly adaptable cornerstone of modern power distribution. Engineered strictly to IEC and national standards, it utilizes high-strength vacuum-cast epoxy resin and optimized low-noise configurations. It flawlessly merges the oil-free, eco-friendly, and zero-fire-risk benefits of dry-type equipment with universal adaptability across multiple industries. With Tier 2 energy efficiency (NX2), it is the most reliable, cost-effective choice for large-to-medium substations, industrial plant upgrades, commercial high-rises, and renewable energy integration projects.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024 NX2).
• Structure: Solid Resin Cast Insulation + Highly Adaptable Compact Footprint.
• Cooling Mode: AN / AF Dual Mode (Forced air safely boosts capacity by up to 30%).
The cast-resin coil dry-type transformer represents the high-end tier of power distribution. Distinct from standard impregnation processes, its windings are integrally cast in a dedicated vacuum mold using high-strength epoxy or specialized resins. This forms an impenetrable, rock-solid dielectric shell around the oxygen-free copper coils. Delivering unparalleled resistance to short-circuits, fire, moisture, and dust, it is the ultimate choice for highly demanding environments such as high-rise skyscrapers, Tier IV data centers, subway systems, and top-tier hospitals.
Core Parameters:
• Structure: Integral Vacuum Mold Casting (Ultra-low partial discharge).
• Voltage Configuration: 10kV / 20kV / 35kV to 0.4kV.
• Insulation Class: Class F (155℃) / Class H (180℃).
The SCB10-1250kVA/10kV all-aluminum dry-type transformer represents the perfect synergy of robust 1250kVA power delivery and ultimate cost-effectiveness. By utilizing highly optimized aluminum winding structures paired with premium vacuum-cast epoxy resin, it delivers reliable, oil-free, and flame-retardant distribution. Meeting Tier 2 (NX2) energy efficiency standards, it drastically lowers both initial capital expenditure and operational costs. It is the premier choice for 10kV indoor substations, commercial high-rises, standard industrial production lines, and data center support hubs.
Core Parameters:
• Capacity & Voltage: 1250kVA | 10kV stepping down to 0.4kV.
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024 NX2).
• Structure: All-Aluminum Windings + High-Strength Resin Cast (IP30+ Enclosures available).
The SCB10-1250kVA/10kV full-copper dry-type transformer stands as the bedrock of highly reliable indoor power distribution. By combining a 100% pure oxygen-free copper winding architecture with premium vacuum-cast epoxy resin, it guarantees supreme electrical conductivity, robust short-circuit resilience, and ultimate flame-retardant safety. Meeting Tier 2 (NX2) energy efficiency standards, it offers a perfectly balanced solution for critical 10kV applications, including commercial high-rises, large-scale industrial manufacturing floors, major hospitals, and continuous-operation data centers.
Core Parameters:
• Capacity & Voltage: 1250kVA | 10kV stepping down to 0.4kV.
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024 NX2).
• Structure: Full Copper Windings + High-Strength Resin Cast (IP30+ Enclosures available).
The general-purpose dry-type transformer is the highly adaptable cornerstone of modern power distribution. Engineered strictly to IEC and national standards, it utilizes high-strength vacuum-cast epoxy resin and optimized low-noise configurations. It flawlessly merges the oil-free, eco-friendly, and zero-fire-risk benefits of dry-type equipment with universal adaptability across multiple industries. With Tier 2 energy efficiency (NX2), it is the most reliable, cost-effective choice for large-to-medium substations, industrial plant upgrades, commercial high-rises, and renewable energy integration projects.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (SCB10 Series, GB 20052-2024 NX2).
• Structure: Solid Resin Cast Insulation + Highly Adaptable Compact Footprint.
• Cooling Mode: AN / AF Dual Mode (Forced air safely boosts capacity by up to 30%).
The cast-resin coil dry-type transformer represents the high-end tier of power distribution. Distinct from standard impregnation processes, its windings are integrally cast in a dedicated vacuum mold using high-strength epoxy or specialized resins. This forms an impenetrable, rock-solid dielectric shell around the oxygen-free copper coils. Delivering unparalleled resistance to short-circuits, fire, moisture, and dust, it is the ultimate choice for highly demanding environments such as high-rise skyscrapers, Tier IV data centers, subway systems, and top-tier hospitals.
Core Parameters:
• Structure: Integral Vacuum Mold Casting (Ultra-low partial discharge).
• Voltage Configuration: 10kV / 20kV / 35kV to 0.4kV.
• Insulation Class: Class F (155℃) / Class H (180℃).
Our 35kV dry-type transformers feature capacities ranging from 30kVA to 5000kVA. Utilizing epoxy resin casting, the SCB13 series is currently one of the most widely used energy-saving products for 35kV voltage grades. They ensure high safety, excellent environmental adaptability, and full compliance with the latest efficiency standards.
Core Parameters:
• Voltage Ratings: 35kV / 0.4kV (Customizable)
• Insulation Class: Class F (155℃) or Class H (180℃)
• Cooling Method: AN / AF
Dry Type Transformer Manufacturing Center
Dust-free workshops and advanced casting technology ensuring
3,000+ Units
Annual Capacity< 5pC
Partial Discharge LevelClass F / H
Insulation Rating
- 01.
Vacuum Casting (Hübers Tech)Resin is cast under vacuum to eliminate air voids, preventing partial discharge and cracking. - 02.
Foil Winding StructureLow voltage windings use copper foil to balance axial short-circuit forces. - 03.
Smart Temp ControlPT100 sensors and digital controller monitor winding temperature, activating fans if needed.
Dry Type Transformer Technical Specifications (IEC 60076-11)
SCB12 Dry-Type Transformers
SCB14 Dry-Type Transformers
SCB18 Dry-Type Transformers
Rated Power | Short-Circuit | No-Load Loss | Load Loss | Transformer Dimensions | Shell Dimensions | Rail Gauge |
30 | 4 | 150 | 760 | 780×500×628 | 1400×1200×2200 | 300×400 |
50 | 4 | 215 | 1070 | 850×700×706 | 1400×1200×2200 | 400×600 |
80 | 4 | 295 | 1480 | 890×800×796 | 1400×1200×2200 | 400×700 |
100 | 4 | 320 | 1690 | 900×900×856 | 1400×1200×2200 | 400×800 |
125 | 4 | 375 | 1980 | 920×900×876 | 1400×1200×2200 | 400×800 |
160 | 4 | 430 | 2280 | 930×900×916 | 1400×1200×2200 | 400×800 |
200 | 4 | 495 | 2710 | 940×950×986 | 1400×1200×2200 | 450×850 |
250 | 4 | 575 | 2960 | 950×950×1057 | 1400×1200×2200 | 450×850 |
315 | 4 | 705 | 3730 | 1000×1000×971 | 1700×1300×2200 | 660×900 |
400 | 4 | 785 | 4280 | 1020×1000×1016 | 1700×1300×2200 | 660×900 |
500 | 4 | 930 | 5230 | 1140×1050×1049 | 1700×1300×2200 | 660×950 |
630 | 6 | 1040 | 6400 | 1230×1100×1086 | 1900×1400×2200 | 660×1000 |
800 | 6 | 1215 | 7460 | 1300×1100×1045 | 1900×1400×2200 | 820×1000 |
1000 | 6 | 1415 | 8760 | 1400×1100×1105 | 1900×1400×2200 | 820×1000 |
1250 | 6 | 1670 | 10370 | 1420×1200×1200 | 1900×1400×2200 | 820×1100 |
1600 | 6 | 1960 | 12580 | 1460×1200×1268 | 2200×1700×2200 | 820×1100 |
2000 | 6 | 2440 | 15560 | 1560×1200×1330 | 2200×1700×2200 | 820×1100 |
2500 | 6 | 2880 | 18450 | 1660×1300×1463 | 2200×1700×2200 | 820×1200 |
Rated Power | Short-Circuit | No-Load Loss | Load Loss | Transformer Dimensions | Shell Dimensions | Rail Gauge |
30 | 4 | 130 | 685 | 810×500×638 | 1400×1200×2200 | 300×400 |
50 | 4 | 185 | 965 | 880×700×786 | 1400×1200×2200 | 400×600 |
80 | 4 | 250 | 1330 | 910×800×808 | 1400×1200×2200 | 400×700 |
100 | 4 | 270 | 1520 | 930×900×856 | 1400×1200×2200 | 400×800 |
125 | 4 | 320 | 1780 | 930×900×866 | 1400×1200×2200 | 400×800 |
160 | 4 | 365 | 2050 | 960×900×936 | 1400×1200×2200 | 400×800 |
200 | 4 | 420 | 2440 | 970×950×956 | 1400×1200×2200 | 450×850 |
250 | 4 | 490 | 2665 | 980×950×1003 | 1400×1200×2200 | 450×850 |
315 | 4 | 600 | 3355 | 1040×1000×1016 | 1700×1300×2200 | 660×900 |
400 | 4 | 665 | 3850 | 1060×1000×1026 | 1700×1300×2200 | 660×900 |
500 | 4 | 790 | 4705 | 1170×1050×1026 | 1700×1300×2200 | 660×950 |
630 | 6 | 885 | 5760 | 1280×1100×1051 | 1900×1400×2200 | 660×1000 |
800 | 6 | 1035 | 6715 | 1330×1100×1085 | 1900×1400×2200 | 820×1000 |
1000 | 6 | 1205 | 7885 | 1390×1100×1155 | 1900×1400×2200 | 820×1000 |
1250 | 6 | 1420 | 9335 | 1440×1200×1230 | 1900×1400×2200 | 820×1100 |
1600 | 6 | 1665 | 11320 | 1530×1200×1301 | 2200×1700×2200 | 820×1100 |
2000 | 6 | 2075 | 14005 | 1620×1200×1396 | 2200×1700×2200 | 820×1100 |
2500 | 6 | 2450 | 16605 | 1690×1300×1508 | 2200×1700×2200 | 820×1200 |
| Rated Power (kVA) | Short-Circuit | No-Load Loss | Load Loss | Transformer Dimensions | Shell Dimensions | Rail Gauge |
30 | 4 | 105 | 685 | 830×500×688 | 1400×1200×2200 | 300×400 |
50 | 4 | 155 | 965 | 890×700×786 | 1400×1200×2200 | 400×600 |
80 | 4 | 210 | 1330 | 920×800×828 | 1400×1200×2200 | 400×700 |
100 | 4 | 230 | 1520 | 940×900×876 | 1400×1200×2200 | 400×800 |
125 | 4 | 270 | 1780 | 950×900×883 | 1400×1200×2200 | 400×800 |
160 | 4 | 310 | 2050 | 970×900×956 | 1400×1200×2200 | 400×800 |
200 | 4 | 360 | 2440 | 980×950×986 | 1400×1200×2200 | 450×850 |
250 | 4 | 415 | 2665 | 990×950×996 | 1400×1200×2200 | 450×850 |
315 | 4 | 510 | 3355 | 1050×1000×1013 | 1700×1300×2200 | 660×900 |
400 | 4 | 570 | 3850 | 1070×1000×1036 | 1700×1300×2200 | 660×900 |
500 | 4 | 670 | 4705 | 1180×1050×1079 | 1700×1300×2200 | 660×950 |
630 | 6 | 750 | 5760 | 1300×1100×1051 | 1900×1400×2200 | 660×1000 |
800 | 6 | 875 | 6715 | 1350×1100×1100 | 1900×1400×2200 | 820×1000 |
1000 | 6 | 1020 | 7885 | 1420×1100×1175 | 1900×1400×2200 | 820×1000 |
1250 | 6 | 1205 | 9335 | 1450×1200×1250 | 1900×1400×2200 | 820×1100 |
1600 | 6 | 1415 | 11320 | 1540×1200×1320 | 2200×1700×2200 | 820×1100 |
2000 | 6 | 1760 | 14005 | 1640×1200×1416 | 2200×1700×2200 | 820×1100 |
2500 | 6 | 2080 | 16605 | 1710×1300×1528 | 2200×1700×2200 | 820×1200 |
Dry Type Transformer Applications
Streamlined Export Process
FAQ
Is the dry transformer suitable for outdoor installation?
Common dry transformer is mainly for indoor use. We can add protective enclosures for the dry type transformer to adapt to mild outdoor environments and extend its service life effectively.
What cooling methods are applied to dry type distribution transformer?
The dry type distribution transformer mainly uses natural air cooling, and forced air cooling is optional for high-load use. The dry transformer maintains efficient heat dissipation under long-time operation.
A dry type transformer adopts air and solid insulation instead of insulating oil. This dry transformer features high safety and is widely used for indoor power distribution and commercial power supply scenarios.
What are the main applications of dry type distribution transformer?
The dry type distribution transformer fits residential areas, office buildings and data centers. As a professional dry type transformer manufacturer, we tailor models for different distribution system demands.
What advantages does a dry transformer have over oil-immersed types?
The dry transformer needs less daily maintenance and causes no oil leakage risks. The dry type transformer also works stably in humid and fire-prone working environments all year round.
How to maintain a dry type transformer in daily operation?
Regular dust removal and wiring inspection are required for the dry type transformer. Keep its ventilation unobstructed to ensure the dry type distribution transformer runs with stable heat dissipation performance.
Can you provide customized dry type distribution transformer products?
Yes, we can customize specifications for dry type distribution transformer according to client needs. As an experienced dry type transformer manufacturer, we support various voltage and capacity customization services.
What factors affect the service life of a dry type transformer?
Ambient temperature, load condition and installation environment matter most. Proper operation and regular inspection will greatly prolong the service life of your dry transformer and dry type distribution transformer.
