Siemens QP Q370H is a 70-amp, three-pole molded-case circuit breaker in the Siemens QP family, rated for 240 VAC. It provides overcurrent protection for 3‑phase circuits in residential load centers and feeders, with plug-in mounting compatible with Siemens QP/MP panels. The Q370H carries a 22 kA short-circuit interrupting rating at 240 VAC, making it suitable for protecting 3‑phase distribution feeders in light commercial or advanced residential installations. As part of the QP/MP lineage, it is designed for 3-pole, 240‑V service and is commonly used as a main feeder or branch‑protection device in Siemens panelboards.
