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Overview

The Keystone¢‚„¢s step down transformers are ideal for powering down from a 480V or 347V system to a 277V system, rated up to 250VA. These auto transformers provide a safe and reliable solution for effective power conversion to use standard 277V or multi-voltage lighting ballasts. Keystone¢‚„¢s step down auto transformers are non-isolated, making them compact and lightweight compared to isolated transformers.
  • Input Voltage: 480 or 347VAC ����10%
  • Output Voltage: 277Vac 480Vac / 200Vac 347Vac
  • MAXIMUM POWER: 250 (VA) for 480V Applications, 180 (VA) for 347V Applications
  • Non-isolated Auto-transformer
  • Thermally Protected

Technical Resources

Specifications

Size:
11.73'' L X 1.7'' W X 1.22'' 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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