Combination Lighting Contactors

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Bulletin 503L Combination Lighting Contactors

Introduction Standards Compliance and Certifications Catalog Number Explanation Product Selection Modifications for Combination Devices
Accessories Specifications Full Load Motor Currents Approximate Dimensions Renewal Parts
Product Overview


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Bulletin 503L


A Bulletin 503L combination lighting contactor consists of a Bulletin 500L lighting contactor and a thermal magnetic circuit breaker (inverse time) mounted in a common enclosure.

Combination lighting contactors are available for applications that require combining switching and over-current protection in the same enclosure. Combination lighting contactors may be applied for industrial, highway, and area lighting applications, or where a lighting circuit may have to be disconnected for periodic maintenance.