Description
BD1-32/80 Series Circuit-breaker for Motor Protection is suitable for AC circuits of 50/60 Hz, rated voltage up to 690 V and rated current up to 80 A. It provides overload, short-circuit and phase-failure protection for three-phase squirrel-cage asynchronous motors, and is used for infrequent start and stop control of motors. It can also be used for distribution circuit protection, infrequent load switching and as an isolator. It may be fitted with accessories such as alarm contacts, shunt release and undervoltage release.
This product complies with the following standards: GB/T 14048.1, Low-voltage switchgear and controlgear – Part 1: General rules
GB/T 14048.2, Low-voltage switchgear and controlgear – Circuit-breakers
GB/T 14048.4, Low-voltage switchgear and controlgear – Part 4-1: Electromechanical contactors and motor starters (including motor protectors)
GB/T 14048.5, Low-voltage switchgear and controlgear – Part 5-1: Control circuit devices and switching elements – Electromechanical control circuit devices
IEC 60947-2, IEC 60947-4-1
