Xiamen Winley Electric Co.,Ltd
| Delivery Time | 30days |
| Primary Voltage | 12,000V |
| Supply Ability | 500set/month |
| Secondary Voltage | 208Y/120 V |
| Payment Terms | T/T |
| Packaging Details | Plywood case |
| Vector Group: | Dyn1 |
| Dimensions | 63" W × 61" D × 71" H |
| Tank Material | 304 Stainless Steel |
| Efficiency Standard(s) | Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards |
| Rated Capacity | 500kVA |
| Type | Pad mounted, Loop feed |
| Place of Origin | CHINA |
| Model Number | ZGS-500/12 |
| Certification | UL/cUL |
| Brand Name | WINLEY |
View Detail Information
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Product Specification
| Delivery Time | 30days | Primary Voltage | 12,000V |
| Supply Ability | 500set/month | Secondary Voltage | 208Y/120 V |
| Payment Terms | T/T | Packaging Details | Plywood case |
| Vector Group: | Dyn1 | Dimensions | 63" W × 61" D × 71" H |
| Tank Material | 304 Stainless Steel | Efficiency Standard(s) | Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards |
| Rated Capacity | 500kVA | Type | Pad mounted, Loop feed |
| Place of Origin | CHINA | Model Number | ZGS-500/12 |
| Certification | UL/cUL | Brand Name | WINLEY |
| High Light | 500kVA three phase pad mounted transformer ，12kV to 208Y/120V transformer with stainless steel ，UL listed pad mounted transformer | ||
500kVA Three Phase Pad Mounted Transformer 12kV to 208Y/120 V with 304 Stainless Steel Enclosure UL Listed
Product Overview
This 500kVA liquid-filled pad-mounted transformer is designed for three-phase step-down distribution from a 12,000V Delta primary to a 208Y/120 V Wye-N secondary. The unit uses a loop-feed, dead-front high-voltage compartment with 200 A load-break components, elbow surge arresters, and oil-immersed fuse protection for medium-voltage cable connection and primary-side protection. Its 304 stainless steel tank, cabinet, and base platform support outdoor pad-mounted installation, while copper windings, a grain-oriented steel core, ONAN cooling, and DOE 2016 / CSA / ANSI-IEEE compliance provide clear specification references for commercial, utility, and industrial power distribution projects.
Product Display
Main data
| Item | Specification |
|---|---|
| Product Type | Pad Mounted Transformer, Compartmental Type |
| Feed Type | Loop Feed |
| Phase | Three Phase |
| Rated Capacity | 500kVA |
| Primary Voltage | 12,000 V |
| Primary BIL | 95 kV |
| Secondary Voltage | 208Y/120 V |
| Secondary BIL | 30 kV |
| Vector Group | Dyn1 |
| Frequency | 60 Hz |
| Cooling Class | ONAN |
| Temperature Rise | 65°C |
| Insulation Rating | Class E Insulation, 120°C / 248°F |
| Impedance | 1.5–7.0% Typical |
| Winding Material | Copper |
| Efficiency | 99.10% |
| No-Load Loss | 700 W |
| Full-Load Loss at 100% | 5,000 W |
| Tank Material | 304 Stainless Steel |
| Cabinet Material | 304 Stainless Steel |
| Base Platform Material | 304 Stainless Steel |
| Dimensions | 63" W × 61" D × 71" H |
| Total Weight | 4,802 lbs |
| Efficiency Standards | DOE 2016, CSA, ANSI/IEEE |
Technical drawings
Standard Features
| Feature | Specification |
|---|---|
| Loop-Feed Dead-Front HV Design | 15kV class, 200 A load-break primary interface with six primary connection points, suitable for underground loop-feed distribution. |
| Primary Protection System | Bayonet expulsion fuses in series with partial-range current-limiting fuses, with 50,000 A rms symmetrical interrupting capability. |
| Surge Protection | Three 15kV class elbow surge arresters with 12.7kVrms MCOV for primary-side surge protection. |
| Copper Windings and GO Steel Core | Copper windings and grain-oriented steel core support defined electrical performance and loss control. |
| 304 Stainless Steel Outdoor Enclosure | Tank, cabinet, and base platform use 304 stainless steel, with NEMA 3R weatherproof cabinet and UV-resistant epoxy coating. |
| Monitoring, Maintenance and Factory Tests | Includes oil level, temperature and pressure indicators, pressure relief device, gas sampler, fill/drain valves, and factory tests for losses, impedance, insulation and withstand voltage. |
Applications
| Sector | Applications |
|---|---|
| Commercial Buildings | Office buildings, hotels, retail centers, hospitals, and 208Y/120 V service distribution systems. |
| Industrial Facilities | Workshops, light manufacturing plants, pumping stations, and plant power distribution. |
| Utility Distribution | Underground loop-feed distribution networks, pad-mounted service points, and local distribution systems. |
| Municipal Projects | Schools, campuses, water treatment facilities, public buildings, and community infrastructure. |
| Renewable Energy Sites | Auxiliary power distribution for solar farms, energy storage systems, and site service loads. |
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
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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