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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.
Product Features
Designed with a dedicated weight-bearing pad-mount base. Volume is reduced by 20%~30% compared to traditional models, and models ≤800kVA weigh ≤1000kg. Perfect for direct placement next to factory equipment.
Fully oil-free enhanced resin-cast operation. Inherently flame retardant and self-extinguishing, utterly eradicating explosion hazards in highly populated or confined indoor areas.
Meets Tier 2 efficiency. Highly optimized copper windings and high-permeability CRGO steel significantly reduce load losses. The anti-condensation resin yields a 25+ year lifespan.
Equipped with comprehensive smart protection including temp controllers and surge protection devices. The fully enclosed thick enclosure easily handles complex micro-environments.
No oil testing or replacement required. A quick semi-annual visual check and dust wipe of the cooling channels are sufficient, keeping O&M costs exceptionally low.
Detailed Description
The pad-mounted cast-resin dry-type transformer represents a paradigm shift in medium-to-small capacity power distribution. By integrating a heavily reinforced, specialized pad-mount base with an ultra-compact resin-cast chassis, it bypasses the need for extensive traditional foundations. This makes it an invaluable asset for confined spaces such as commercial building mezzanines, dense data center server rows, or immediate placement alongside heavy industrial machinery.
Despite its 20%~30% reduction in volume, it sacrifices nothing in performance. Operating completely oil-free, it nullifies fire risks and complies with Tier 2 energy efficiency protocols. The unit supports an impressive 1.2x continuous overload capacity for 30 minutes, gracefully absorbing sudden peak electrical demands. Whether maneuvered by a standard forklift into a pre-fabricated substation or placed securely in a retrofitted building, it delivers unyielding, low-noise power transformation.
Standard SCB Series Technical Reference (≤800kVA)
| Capacity (kVA) | Impedance (%) | No-Load Loss (W) | Load Loss (W) | Total Weight (kg) | Dimensions W×D×H (mm) |
| 100 | 4.0 | 220 | 1400 | 550 | 950×700×1000 |
| 160 | 4.0 | 280 | 1900 | 750 | 1050×750×1050 |
| 250 | 4.0 | 400 | 2700 | 1050 | 1150×800×1150 |
| 400 | 4.0 | 570 | 3900 | 1450 | 1250×900×1250 |
| 630 | 4.5 | 810 | 5880 | 1950 | 1350×1000×1350 |
| 800 | 4.5 | 980 | 7100 | 2300 | 1400×1000×1400 |
* The table displays standard SCB technology platform parameters. Note that true Pad-Mounted models ≤800kVA are engineered with specialized lightweight components and structural bases to typically keep overall weight ≤1000kg to 1500kg, adapting to mezzanine floor limits.
FAQ
The pad-mounted design is intended to drastically simplify installation, but it still requires a fundamentally sound environment:
1) Foundation Flatness & Strength: The floor or pad must be entirely flat and solid concrete. Although the base distributes weight efficiently, the floor must easily support the unit's weight. Ensure there are no uneven surfaces that could cause the chassis to tilt or vibrate during operation.
2) Handling & Placement: The specialized pad-mount base is designed to be easily maneuvered by a standard small forklift. Ensure the forklift tines are correctly aligned with the designated slots on the base to prevent bumping the resin windings during positioning.
3) Proximity to Loads: This unit is built to sit right next to the load center (like factory machinery or server racks). While it saves space, you must still maintain basic clearance for natural air convection and safety—typically avoiding placing items directly against the cooling vents.
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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
