Siemens Q320 – 20A 3 Pole Miniature Circuit Breaker Discount

Built for residential, commercial, and industrial applications, the Siemens Q320 is a 3-pole, 20-amp miniature circuit breaker. It provides reliable thermal-magnetic protection for 240V systems with a standard 10kAIC rating. This Type QP breaker mounts into Siemens load centers and P1 panelboards using a plug-on connection. It serves as a drop-in replacement for the discontinued Murray MP320. The unit features Insta-Wire technology for faster wiring and is HACR rated for HVAC equipment.