This Siemens AMP BOLT-ON CIRCUIT BREAKER 3 POLE 277/480 VAC BQCH3B020 is a circuit protection device manufactured by Siemens. It safeguards wiring and connected equipment by opening or isolating the circuit when current exceeds its rated threshold. Key specifications noted on this listing include 480 VAC, 20 AMP, 3 POLE. It is commonly in equipment protection and branch-circuit wiring applications.
