The Siemens AMP SENTRON SERIES CIRCUIT BREAKER 480 VAC 3 POLE HED43B020 is a circuit protection device from Siemens. It serves as the protective device in an electrical circuit, stopping current flow when a fault is detected. Key specifications noted on this listing include 480 VAC, 20 AMP, 3 POLE. It is commonly in power distribution panels and industrial control circuits.
