FAZ-D10/2-NA Eaton

Product Guide UL 489 and UL 1077 DIN rail miniature circuit breakersApplication guidelines for UL 489 circuit breakers and UL 1077 supplementary protectors UL 489 Breaker UL 489 Branch UL 1077 External Internal Receptacle Receptacle Electronics UL 489 UL 1077 Branch External Motor Other Sensitive M Devices UL 489 Branch External UL 489 Motor Branch M Motor UL 1077 HACR Controller Example of UL 489 and UL 1077 Application UL 489 circuit breakers Used for branch circuit protection, internal/external receptacles, external motors and HACR equipment (heating, air conditioning and refrigeration). UL 1077 supplementary protectors Used for overcurrent protection within appliances or electrical equipment, where branch circuit protection is already provided or not required. Notee: UL 489 devices can be used in place of UL 1077; UL 1077 devices cannot be used in place of UL 489. ii eaton corporation UL 489 and UL 1077 DIN Rail Miniature Circuit Breakers