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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.
Product Features
Enhanced resin-cast insulation in the 30kva dry type transformer operates without oil. Highly flame retardant and self-extinguishing, it thoroughly eliminates leak or fire risks. Zero emissions make it ideal for pollution-sensitive indoor spaces.
Tier 2 efficiency paired with large-section copper windings in the 30 kva dry type transformer minimizes power loss. The anti-aging resin structure resists moisture and dust, offering a design lifespan of over 25 years.
Equipped with smart temp controllers, overheat alarms, short-circuit, and lightning surge protection, the 30kva dry type transformer ensures reliable operation. The thickened enclosure confidently withstands impacts and semi-outdoor environments.
Ultra-lightweight micro-design supports indoor wall-mounting, floor standing, or embedded setups for the 30 kva dry type transformer. Saves tremendous space and infrastructure costs. Features a 1.2x short-term overload capacity.
Absolutely no oil testing required. Simply wipe the cooling channels periodically and check the resin status. Mature craftsmanship guarantees a low failure rate and minimal upkeep expenses.
Can be fitted with smart monitoring systems to remotely track winding temperatures, load currents, and insulation status, dramatically cutting down on manual inspection costs.
Key Specifications (30kVA Dry Type Transformer)
| Parameter | Typical Value | Description |
| Rated Capacity | 30kVA | Long-term safe apparent power provided by the 30kva dry type transformer perfectly satisfies the loads of small-scale distribution scenarios, ensuring reliable and stable operation over extended periods. |
| Rated Voltage | HV: 10kV | LV: 0.4kV | Customizable inputs (e.g., 6kV) to adapt to varying distribution grid standards. |
| Vector Group | Dyn11 / Yyn0 | Standard connections on the 30 kva dry type transformer ensure simple wiring and excellent compatibility with 3-phase systems, making installation and integration straightforward and efficient. |
| Impedance | 6% ~ 8% | Small-scale typical values of 4%~6% limit short-circuit currents, protecting downstream micro-devices. |
| No-Load Loss | ≤ 0.08kW | Tier 2 compliant; ultra-low idle energy consumption saves electricity costs. |
| Load Loss (120℃) | ≤ 0.55kW | Copper windings minimize resistance losses; forced air setups maximize energy conversion. |
| Winding Temp. Rise | ≤ 100K (Class F, Up to H) | Resin insulation combined with air cooling prevents heat-induced insulation aging. |
| Noise Level | ≤ 45~50dB(A) | Low-noise core and shock-absorbing base ensure whisper-quiet operation in villas or offices. |
| Cooling Method | AN (Natural Air Cooling) | Natural airflow effortlessly handles standard continuous full-load requirements without extra fans. |
Detailed Description
The 30kVA cast-resin dry type transformer (represented by mainstream SCB13 series) is a three-phase, Tier 2 efficiency distribution equipment utilizing an enhanced resin-cast insulation and pure copper windings. This 30 kva dry type transformer serves as the primary choice for small-scale dry-type distribution nationwide. Its distinct advantage lies in combining ultimate safety and eco-friendliness with an extremely easy installation process, adapting seamlessly to small, confined environments.
The enhanced resin-cast insulation structure employs thickened resin layers and anti-aging materials to fully block moisture and dust, averting winding deterioration. Highly flame retardant and self-extinguishing, it eradicates the leak and fire hazards typical of oil immersed transformers. Large-section copper windings guarantee low resistance and high conductivity, operating harmoniously with the efficient natural air cooling system to ensure low-loss, stable performance. Functioning reliably between -25℃ to 40℃, it provides impeccable power support for commercial, administrative, and civilian micro-facilities with strict safety mandates.
SCB10 Type Parameters & Scenarios
| Parameter | Typical Value | Description |
| Energy Efficiency | GB 20052-2024 Tier 2 (NX2) | Adapts to basic energy-saving compliance requirements. |
| No-Load Loss | Approx. 0.1kW | Slightly higher than SCB13, fulfilling fundamental small-scale power needs. |
| Load Loss (120℃) | Approx. 0.55kW | Consistent with the SCB13 model of the same capacity. |
| Partial Discharge | ≤ 10pC | Reliable insulation performance, ensuring operational safety. |
| Core Material | Standard High-Grade Silicon Steel | Balances magnetic permeability and cost for conventional operations. |
| Applicable Scenarios | Budget-limited, load ≤ 60% | Ideal for small shops, single-building residential upgrades, remote standalone sites, and small offices requiring highly economical base power. |
Standard SCB13 Series Technical Reference
| Capacity (kVA) | Impedance (%) | No-Load Loss (W) | Load Loss (W) | Total Weight (kg) | Dimensions W×D×H (mm) |
| 30 | 4.0 | 130 | 600 | 250 | 800×600×900 |
| 50 | 4.0 | 170 | 850 | 320 | 850×650×950 |
| 100 | 4.0 | 220 | 1400 | 550 | 950×700×1000 |
| 160 | 4.0 | 280 | 1900 | 750 | 1050×750×1050 |
| 200 | 4.0 | 340 | 2300 | 880 | 1100×800×1100 |
| 250 | 4.0 | 400 | 2700 | 1050 | 1150×800×1150 |
* The table displays standard SCB13 dry-type technology platform parameters. Dimensions and weights are for reference and may vary based on specific enclosure customizations.
FAQ
The 30kva dry type transformer fits office buildings, small factories and photovoltaic stations. It features fireproof oil-free design, safe indoor installation and stable voltage output for medium-power distribution loads.
Our 30kva dry type transformer adopts natural air cooling as standard. Optional forced air cooling boosts its overload capacity to 150% rated load for short-time heavy power consumption demands.
We provide a 24-month global warranty for the 30kva dry type transformer from delivery date. Damaged standard accessories can be replaced free, and lifelong remote technical guidance is available.
Yes, we support full customization for the 30kva dry type transformer. Primary/secondary voltages, connection groups and IP protection grades can be adjusted to match local power grid standards worldwide.
The 30kva dry type transformer needs simple quarterly inspections only. Clean surface dust, check wiring tightness and temperature sensor data to extend service life without complex oil replacement steps.
Whatsapp: +86-13961294414
E-mail: junqiu.wang@czguanghui.cn
jocelyn.duan@czguanghui.cn
ADD: No. 1, Yulong Middle Road, Xuejia Town, Xinbei District, Changzhou City, China
Mobile: 0086-15380068868
