500Kva 3 Phase Pad Mounted Transformer 12.87KV To 240V Power Distribution Transformer 7‑Tap Multi-Voltage Flexibility UL/cUL Listed

This 500 kVA transformer is designed with a dead-front configuration and follows a loop feed layout. Crafted by WINLEY ELECTRIC. Its specifications include a high voltage of 12.87 kV in a Delta connection, while the low voltage stands at 240/120V. It adheres to the ASNI/IEEE C57.12.34 Standard.

Main data

Technical drawings

Standard Features

• 60 Hz operation.
• 65°C average winding rise.
• Radial & loop feed arrangements.
• Dead and live front type of HV terminals.
• HV BIL 45 – 150 kV (Dead Front) 200 kV (Live Front).
• LV BIL 30 – 60 kV.
• Three-point latching of low-voltage door.
• High-voltage door, which can be opened only after the low-voltage door is opened.
• Rigid steel partition.
• Transformer tank welded from cover to base.
• Permanent nameplate.
• One-inch NPT pipe cap filling provision.
• ANSI tank ground pads.
• One-inch drain valve and sampler.
• Automatic pressure-relief valve (35 SCFM).
• Tap changer with (2) 2.5% full capacity taps above and below nominal.
• One 10”x18” (or 14”x25”) hand hole in transformer tank cover.
• Painted olive-green color (Munsell 7GY 3.29/1.5).
• Designed, manufactured and tested in accordance
with the latest ANSI standards

Why choose us

WINLEY offers a complete line of liquid-filled three-phase pad-mounted transformers that meet ANSI®/IEEE® standards and have obtained UL/cUL certification. With voltages up to 34.5 kV and ratings up to 5,000 kVA, these transformers suit high-voltage and large-capacity applications like substations and industrial power systems. Their oil-immersed design ensures superior performance and stability in high-load, high-voltage scenarios.

Application

• Digital Currency Mining – Provides stable power for remote mining farms, ensuring efficient operations.
• Data Centers – Converts high-voltage power for stable electricity and backup during outages.
• Renewable Energy – Transmits solar/wind power to the grid and supports battery storage.
• Commercial Buildings – Powers lighting, HVAC, and IT systems with backup for outages.
• Transport Hubs – Ensures electricity for airports, train stations, and ports (lighting, signals, cranes).
• Agriculture – Distributes power for farm equipment, irrigation, and storage, boosting productivity.
• Industry – Reliable power for machines, automation, and cost-efficient production.
• Schools & Hospitals – Supports critical infrastructure, research, and medical equipment

Specification

Production process