The Siemens AMP CIRCUIT BREAKER 277/347 VAC 125 VDC 1 POLE HEB1B030 is a circuit protection device from 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 347 VAC, 125 VDC, 30 AMP, 1 POLE. It is commonly in panel builds and electrical system retrofits.
