UL Listed 1500Kva Three Phase Pad Mounted Transformer 34.5KV To 480Y/277V Power Distribution Transformer
This 1500 kVA pad-mounted distribution transformer is engineered for reliable medium-voltage distribution in commercial, industrial, municipal and utility applications. Designed and manufactured to ANSI C57.12.34 standards, it combines robust electrical performance, safety features and weather-resistant construction for indoor or outdoor installation.



Key features
- Type: Pad-mounted, radial feed
- Rated capacity: 1500 kVA
- Phase: 3-Phase
- Primary voltage: 34,500 V (Delta) with three 35 kV-class porcelain bushings (live front)
- Secondary voltage: 480Y/277 V (Wye-N) with 4-hole spade bushings (live front)
- Vector group: Dyn1
- Cooling method: ONAN (Oil Natural Air Natural)
- Tapping: Off-circuit tap changer with multiple tap positions
- Standards: Built to ANSI C57.12.34

Safety and accessory package
- This unit comes with a comprehensive set of protective and service features for safe operation and simplified maintenance:
- 2-position HV break switch
- Drain and sample valve in HV compartment
- Temperature gauge and liquid level gauge
- Pressure/vacuum gauge and pressure relief valve
- Bayonet fuse & current-limiting fuse on HV side
- Under-oil arrester with ISO switch
- These accessories provide surge protection, overpressure safety, easy sampling and reliable switching necessary for grid-connected distribution transformers.

Technical drawings

Why choose us
- The product range spans from 45KVA to 5500 KVA, with a voltage rating of up to 34.5 KV, conforming to or exceeding standards such as DOE 2016, IEEE/ANSI, CSA , IEC , NEMA.
- The products hold UL/cUL certification (Certificate Numbers: UL-US-2431836-0, UL-CA-2423202-0) and can obtain UL (partner authorization) based on customer requests.
- Our products are exported in large quantities to regions such as North America and the Philippines. We pride ourselves on our extensive design and production experience, along with professional and reliable after-sales service, ensuring quick delivery within 7 to 35 days.

Specification
Rated Power (KVA) | High Voltage (KV) | Low Voltage (V) | No-load Loss (W) | On-load Loss (W) | Height (mm) | Depth (mm) | Width (mm) | Weight (kg) | Weight (Lbs) |
| 75KVA | 34.5KV 4.160KV 12.47KV 13.2KV 13.8KV 24940GrdY/14400 1247Grdy/7200 4160GrdY/2400 or others | 277V 347V 480V 600V 120/240V 208GrdY/120 415GrdY/240 480GrdY/277 600Y/347 | 180 | 1250 | 1430 | 910 | 1930 | 645 | 1422 |
| 150KVA | 280 | 2200 | 1530 | 980 | 1510 | 989 | 2180 |
| 300KVA | 480 | 3650 | 1680 | 1080 | 1660 | 1415 | 3119 |
| 500KVA | 680 | 5100 | 1790 | 1160 | 1810 | 1905 | 4200 |
| 750KVA | 980 | 7500 | 2030 | 1300 | 2030 | 2755 | 6074 |
| 1000KVA | 1150 | 10300 | 1854 | 1549 | 1651 | 3235 | 7132 |
| 1500KVA | 1640 | 14500 | 2150 | 1570 | 2210 | 5835 | 12864 |
| 2000KVA | 2160 | 20645 | 2220 | 1600 | 2380 | 6430 | 14175 |
| 2500KVA | 2680 | 23786 | 2330 | 1650 | 3070 | 8865 | 19544 |
| 3000KVA | 3300 | 30300 | 2460 | 1850 | 3260 | 11300 | 24912 |
| 3735KVA | 4125 | 37875 | 2680 | 2060 | 4080 | 14400 | 31746 |
Production process

