UL Listed 1500Kva Three Phase Pad Mounted Transformer 34.5KV To 480Y/277V Power

Product Specification

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

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.