Pad Mounted Transformer 3 Phase 1000Kva 34.5Kv to 208V Radial Feed Ceramic Sleeve oil immersed power transformer
Winley electric's 1000 kVA three phase pad mounted transformer stepping 34.5 kV down to 208Y/120 V with multiple tap positions for flexible voltage adaptation.
A standout feature is the high‑quality ceramic high‑voltage bushings, which provide superior pollution and flash‑over resistance, enhanced mechanical strength and long‑term dielectric stability—reducing maintenance and extending service life.
WINLEY Electric's three-phase pad transformers are UL/CUL certified and comply with ANSI/IEEE/DOE/CSA standards, with fast delivery within 7-35 days.
Main Technical Specifications
| No. | Particulars | Unit | Specification |
| 1 | Type | ~ | pad mounted, loop feed |
| 2 | Rated capacity | kVA | 1000 |
| 3 | No. of Phase | ~ | 3 |
| 4 | Primary voltage | V | 34500 |
| 4 | Primary bushing | ~ | (4) 35kV class, BIL150kV Porcelain bushing |
| 4 | BIL | kV | 150 |
| 5 | Secondary voltage | V | 208Y/120 |
| 5 | Secondary bushing | ~ | (4) 10-hole spade |
| 5 | BIL | kV | 30 |
| 6 | Tapping type | ~ | off-circuit |
| 7 | Tapping range | V | 36200, 35360, 34500, 33640, 33000, 32175, 31350 |
| 8 | Cooling method | ~ | ONAN |
| 9 | Rated frequency | Hz | 60 |
| 10 | Vector group | ~ | Dyn1 |
| 11 | Insulation class | ~ | A |
| 12 | Temperature rise | ℃ | 65/60 (winding/top oil) |
Technical Drawings
Advantages of Pad Mounted Transformer
Advantages of Pad Mounted Transformer
1. Space-Saving Design
Pad-mounted transformers feature a compact, high-efficiency design, making them an ideal choice for locations with limited available space. They eliminate the need for additional supporting structures such as utility poles or dedicated buildings during installation.
2. Underground Installation Capability
Unlike overhead transformers, pad-mounted transformers can be installed underground—delivering a safer and more unobtrusive solution for power distribution. This underground placement also reduces their vulnerability to environmental hazards and damage.
3. Enhanced Safety Standards
Pad-mounted transformers are engineered with tamper-proof and robust security features. Housed in a durable metal enclosure, they completely eliminate the risk of accidental contact with live electrical components.
4. Superior Aesthetics
Pad-mounted transformers typically integrate seamlessly with their surrounding environment, positioning them as a more suitable option for residential communities and areas subject to strict zoning regulations.
Detailed Specifications
| 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 | Same as above | Same as above | 280 | 2200 | 1530 | 980 | 1510 | 989 | 2180 |
| 300KVA | Same as above | Same as above | 480 | 3650 | 1680 | 1080 | 1660 | 1415 | 3119 |
| 500KVA | Same as above | Same as above | 680 | 5100 | 1790 | 1160 | 1810 | 1905 | 4200 |
| 750KVA | Same as above | Same as above | 980 | 7500 | 2030 | 1300 | 2030 | 2755 | 6074 |
| 1000KVA | Same as above | Same as above | 1150 | 10300 | 1854 | 1549 | 1651 | 3235 | 7132 |
| 1500KVA | Same as above | Same as above | 1640 | 14500 | 2150 | 1570 | 2210 | 5835 | 12864 |
| 2000KVA | Same as above | Same as above | 2160 | 20645 | 2220 | 1600 | 2380 | 6430 | 14175 |
| 2500KVA | Same as above | Same as above | 2680 | 23786 | 2330 | 1650 | 3070 | 8865 | 19544 |
| 3000KVA | Same as above | Same as above | 3300 | 30300 | 2460 | 1850 | 3260 | 11300 | 24912 |
| 3735KVA | Same as above | Same as above | 4125 | 37875 | 2680 | 2060 | 4080 | 14400 | 31746 |
Production Process
