Our Bulletin 503L Combination Lighting Contactors with Circuit Breaker consists of a Bulletin 500L lighting contactor and a thermal magnetic circuit breaker (inverse time) mounted in a common enclosure.
- Includes current ratings of 15…300 A
- Provides thermal magnet circuit breakers
- Includes painted metal enclosures: Type 1, Type 3R/4/12
- Includes stainless steel enclosures: Type 4/4X
- Offers a wide variety of factory modifications
cULus Listed — File No. E54866; Guide No. NITW, NITW7
Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.
Combination lighting contactors may be used for:
- Industrial, highway, and area lighting applications
- Applications where a lighting circuit may have to be disconnected for periodic maintenance