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Overview

The Keystone¢‚„¢s 480V to 277V 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%
  • For Use with LED, T5, T8, CFL, or Electronic HID Ballast Operating at 277V Input Voltage
  • MAXIMUM POWER: 375 (VA) for 480V Applications
  • Non-isolated Auto-transformer
  • Thermally Protected

Technical Resources

Specifications

Size:
11.7'' 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.

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