Xiamen Winley Electric Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 1000set/month |
| Delivery Time | 30days |
| Packaging Details | Plywood case |
| Type | Three Phase Pad Mounted Transformer |
| Capacity | 2550 kVA |
| Primary Voltage | 34500 |
| Tapping range | 14400V, 13800V, 13200V, 12870V, 12470V, 12000V, 11500V |
| Secondary Voltage | 480V |
| Warranty | 2 years |
| Application | Oil & Gas, New Energy, Data Center, Utilities |
| Brand Name | WINLEY |
| Model Number | ZGS-2550/34.5 |
| Certification | UL/cUL |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000set/month |
| Delivery Time | 30days | Packaging Details | Plywood case |
| Type | Three Phase Pad Mounted Transformer | Capacity | 2550 kVA |
| Primary Voltage | 34500 | Tapping range | 14400V, 13800V, 13200V, 12870V, 12470V, 12000V, 11500V |
| Secondary Voltage | 480V | Warranty | 2 years |
| Application | Oil & Gas, New Energy, Data Center, Utilities | Brand Name | WINLEY |
| Model Number | ZGS-2550/34.5 | Certification | UL/cUL |
| Place of Origin | CHINA | ||
| High Light | 3 phase pad mounted transformer 2550kVA ，34.5KV to 480V oil immersed transformer ，UL listed power transformer | ||
3 Phase Pad Mounted Transformer 2550kVA 34.5KV To 480V Oil Immersed Power Transformer UL Listed
Why Choose Us
1.Meets Strict North American Standards
Our pad-mounted transformers are designed and tested to comply with applicable standards, including CSA, IEEE C57, and DOE efficiency requirements.
2.Full UL/cUL Certification Coverage
Our full product line is UL and cUL certified, helping ensure compliance with North American market entry requirements.
3.Complete Standard and Optional Accessories
Each unit comes standard with essential accessories such as temperature indicators, liquid level gauges, and pressure/vacuum gauges.
Optional accessories include loadbreak switches, bayonet fuses (with or without partial-range protection), current-limiting fuses, and lightning surge arresters.
4.Strong Custom Engineering Capabilities
We offer custom designs for high-efficiency performance, harsh environments, low-noise applications, 50Hz/60Hz operation, K-factor ratings, and other specialized requirements.
5.Experienced North American Export Supplier
A leading Chinese manufacturer dedicated to exporting exclusively to the U.S. and Canadian markets.
Product photos
Main data
| specification data | |||||
| No. | Particulars | Unit | Specification | Remark | |
| 1 | Type | ~ | pad mounted, radial feed | step down | |
| 2 | Rated capacity | kVA | 2550 | ||
| 3 | No. of Phase | ~ | 3 phases | ||
| 4 | Primary voltage | V | 34500 | Wye-N | |
| Primary bushing | ~ | (3) 4-hole 400A Porcelain bushings, (1) H0 Porcelain bushing | live front, BIL150KV | ||
| 5 | Secondary voltage | V | 480 | delta | |
| Secondary buhsing | ~ | (3) BIL30kV 10-hole NEMA spade | live front | ||
| 6 | Tapping type | ~ | off-circuit | ||
| 7 | Tapping range | V | 34500,33000,26400, 24940, 22860 | ||
| 8 | Cooling method | ~ | ONAN | ||
| 9 | Rated frequency | Hz | 60 | ||
| 10 | Vector group | ~ | YNd1 | ||
| 11 | Insulation class | ~ | A | ||
| 12 | Temperature rise | ℃ | 65 | ||
| 13 | Off-load loss | W | 2700 | ±10% tolerance | |
| 14 | On-load loss (85℃) | W | 24500 | ||
| 15 | Impedance | % | 5.75~6.75 | ||
| 16 | Winding material | ~ | Aluminum | ||
| 17 | Core material | ~ | silicon steel | ||
| 18 | Cooling material | ~ | Mineral oil | ||
| 19 | Tank&enclosure | ~ | NEMA 3R (green) | ||
| 20 | Dimension | inch | 87*104*81 | for reference only | |
| 21 | Weight | lbs | 14991 | ||
| 22 | Service condition | ~ | indoor or outdoor | ||
| 23 | Sea level | M | ≤1000 | ||
| 24 | Standard | ~ | ANSI C57.12.34 | ||
Technical drawings
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 |
2550kVA Three Phase Pad Mounted Transformer Production process
Coil Winding
Lead Wire Arrangement & Connection
Transformer Body Assembly
Final Testing
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2007
Total Annual:
$45M-$60M
Employee Number:
150~210
Ecer Certification：
Verified Supplier
R&D and production capabilities Winley Electric boasts a team of dozens of experienced senior engineers who are well-versed in transformer standards of different countries including ANSI, IEEE, CSA, DOE2016, NEMA and IEC60076, and who can tailor cost-effective transformer solutions according to... R&D and production capabilities Winley Electric boasts a team of dozens of experienced senior engineers who are well-versed in transformer standards of different countries including ANSI, IEEE, CSA, DOE2016, NEMA and IEC60076, and who can tailor cost-effective transformer solutions according to...
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