ESU buys and sells new & used Transformers.

3-Phase 480V Delta - 240V Delta / 120

Electrical Supplies Unlimited buys and sells new Circuit Breakers, Transformers, Fuses, Switches, Plugs and more for San Diego surrounding areas  We will buy your used Transformers.

PRIMARY VOLTAGE 480 Delta

SECONDARY VOLTAGE 240 Delta / 120

ESU Inc has been in the electrical supply business for over 30 years. We have a large inventory of new, surplus and recycled electrical supplies both for the commercial and residential markets. We are a fully stocked Electrical Distributor and Electrical Wholesaler with many different lines in stock. We specialize in  hard to find items. Our staff is very knowledgeable and our mission is to ensure that our customers expectations are exceeded. Ask around, our reputation is what makes us! Or just call to find out yourself at 858.558.2850.

We stock most major brands including General Electric, ITE Siemens, Cutler Hammer, Square D, FPE Federal Pacific, Pushmatic, Zinsco, Crouse Hinds, Challenger, Westinghouse, Sylvania, and Bryant.

Featured Transformer Specifications

60 Hz Frequency

150°C Temperature Rise

Primary Adjustment Taps 2 above, 2 below in 2.5% increments

High Efficiency Design

Silicon Steel Core

220°C Insulation Class

Vacuum Pressure Impregnated Windings

Overview

This transformer is designed to convert 3-phase 480v to 3-phase 240v to run equipment such as panels, motors, datacenter equipment, and other business machines.