UL Listed 50kva Single Phase Pad Mounted Transformer 34500V To 120V Power Distribution Step-Down Transformers
This 50 KVA pad-mounted transformer is a compartmental-type hybrid, liquid-filled with mineral oil and designed for loop feed. It features a grounded wye primary (35 kV class) and 120/240V dual-winding single-phase secondary, with 200-amp 35 kV load break switches.
meets DOE 2016 and ANSI/IEEE standards
Why choose us
WINLEY’s UL/cUL-certified single-phase transformers, ranging from 10 to 333 kVA with voltages up to 34.5 kV, are engineered to meet or exceed key standards including DOE 2016, IEEE, ANSI, CSA, IEC, and NEMA. Boasting a monthly production capacity of over 800 units and fast delivery within 4 weeks, these transformers find extensive applications across the United States and Canada.
Main data
| Transformer Type | Pad Mounted |
| Transformer Feed Type | Loop Feed |
| Phase | Single Phase |
| Capacity | 50 KVA |
| Vector Group | II6 |
| Primary Voltage | 34500Y/19920 |
| Primary BIL | 150 KV |
| Secondary Voltage | 240/120V (L-N-L) |
| Secondary Phasor | Dual Winding Single Phase |
| Secondary BIL | 30 KV |
| Frequency | 60 Hz |
| Temperature Rise | 65°C |
| Insulation Rating | Class E Insulation - 120°C, 248°F |
| Cooling Class | ONAN; Self-Cooled |
| Efficiency Standard(s) | Meets DOE 2016 Standards, Meets ANSI/IEEE Standards |
| Winding Material | Copper |
| Dimensions* | 40''-W x 50-D x 30''-H |
| Weight* | 1,800 lbs |
| Efficiency | 98.95% |
Drawing
Transformer Features
This 50 KVA pad-mounted transformer Primary voltage is 34500Y/19920, with a 35 kV class rating and a grounded wye phasor. Its primary BIL is 150 KV.Secondary voltage is 240/120V (L-N-L), classified as 1.2 kV class, featuring a dual-winding single-phase phasor and a 30 KV secondary BIL.Included primary surge arrestors are 36 kV class with a 27 kVrms MCOV rating.
Equipped with a 200-amp 35 kV 2-position load break switch, primary surge arrestors (36 kV class), and fused overcurrent protection, it ensures safe operation. Constructed with coated steel components, it has a tamper-resistant housing with a pad-lockable lid, weatherproof epoxy coating, and meets DOE 2016 and ANSI/IEEE standards.
Specification
| Single phase Pad mounted Transformer Specification |
| Rating | High voltage(kV) | No Load Loss | On load Loss | Height | Depth | Width | Oil Weight(kg) | Total Weight(kg) |
| (kVA) | (mm) | (mm) | (mm) |
| 15 kVA | 34.5/19.92
13.8/8
13.2/7.6
12.47/7.2
or others | 50 | 195 | 840 | 740 | 610 | 45 | 294 |
| 25 kVA | 80 | 290 | 840 | 740 | 610 | 68 | 362 |
| 37.5 kVA | 106 | 360 | 840 | 760 | 610 | 75 | 476 |
| 50 kVA | 135 | 500 | 840 | 810 | 610 | 93 | 553 |
| 75 kVA | 190 | 650 | 840 | 860 | 610 | 132 | 672 |
| 100 kVA | 280 | 1010 | 910 | 1200 | 965 | 230 | 714 |
| 167 kVA | 435 | 1530 | 1000 | 1200 | 965 | 265 | 913 |
| 250 kVA | 550 | 2230 | 1250 | 1300 | 1430 | 325 | 1106 |
Production process
FAQ
1. Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
2. Q: What is the lead time?
A: Mass production time 15-25 days.
3. Q: How long is the warranty?
A: 24 monthes from B/L. If there are any accessory problems,just provide the photos of damaged accessory,then we will provide free service. According to the number of products,we will provide easily damaged accessories for free. we also can provide technical support if you need.
4. Q: Is OEM/ODM available?
A: Yes,it is! We are manufacturer with our own R&D team, we can customize products according to customer's drawing or requirements.
Customized services:
a. Customized color and special function.
b. Customized box.
c. Print customer's logo.
d. Your other ideas about product, we can help you design and put them into production. The above customized services must be confirmed before production.
5. Q: How to control the products quality?
A: Our company owns the core technology ,all kinds of products hold CE certificate. We have professional engineers. Workers are strictly required to make products according to the drawings. Each process has technical instructors.The QC supervisors will regularly inspect the production. We will do products performance tests during production, and comprehensive quality tests when the products is completed.
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UL Listed 50kva Single Phase Pad Mounted Transformer 34500V To 120V Power Distribution Step-Down Transformers Images
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