Skip to content

Free Shipping over $99! (excludes 48"+)

Happy Labor Day! Use code LABOR for 15% off your order.

Take $50 off your $250+ order. Code: FLASH50

Overview

Keystone Technologies KTAT-250-480-277-A Step-Down Auto-Transformers are designed to step down 480V to 277V single-phase power. These transformers enable consumers to utilize common universal voltage (120-277V) electronic ballasts in applications where the main facility power is 480V.
  • Input Voltage: 480VAC ����10%
  • MAXIMUM POWER: 250 (VA) for 480V Applications
  • Non-isolated Auto-transformer
  • Thermally Protected
  • No Load Power Consumption< 7W

Technical Resources

Specifications

Size:
9.45'' L X 1.7'' W X 1.2'' H
keystone-technologies-brands - Bees Lighting

Keystone Technologies

For over 75 years, Keystone Technologies has been a leader in the lighting industry, operating under a simple yet powerful philosophy: "Light Made Easy." The brand is dedicated to creating high-quality, reliable, and user-friendly lighting solutions for commercial and industrial applications. With a massive portfolio of lamps, fixtures, and controls, Keystone is the trusted, go-to partner for contractors and lighting professionals seeking performance and simplicity.

Shop Keystone Technologies