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

WINLEY is located in Xiamen, China. We are specialized in manufacturing all kinds of transformers, voltage stabilizers, voltage regulators, etc. The products are widely used in industrial machinery, new energy, power generation, power supply, coal, metallurgy, petroleum, chemical, construction, port, airport, railway transportation, urban infrastructure, and other areas.

With more than 17 years experience, WINLEY always adhere to the route of "Integrity makes brand,quality wins the market"! We have a professional R&D team, a quality control team, scientific production management system and comprehensive customer service system.

WINLEY holds ISO 9001:2015 quality management system certification, All products have approved by CE certification, we can also apply for UL(Authorized by partner), SASO, SONCAP, etc. according to customer requirements.

WINLEY products are sold to Europe, North & South America, Oceania, Asia and Africa, more than 100 countries and regions in the world are using WINLEY products. Products’ quality and technical service are recognized by all customers around the world, and we have cooperative distributors in some countries.

And we will continue to carry forward the integrity of compliance, scientific and technological innovation, win-win cooperation spirit, provide quality products and comprehensive service to all partners, and work hard for the development of the world’s green electrical power.