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Technical Info for UL 1077 Rated Supplementary Protectors
UL 1077 supplementary circuit breakers provide overcurrent protection where branch protection is already provided or not required. DIN-rail mountable single-, double-, and triple-pole models offer B, C or D trip curves, and are rated for up to 63A. Also available are DINnector terminal-block style protectors that integrate easily into wiring systems.