Siemens Q330H – 30A 3 Pole Miniature Circuit Breaker Certified

Engineered for commercial and industrial distribution, this 30A thermal-magnetic breaker delivers enhanced short-circuit protection. The plug-on design installs into Siemens EQ, PL, ES, and Ultimate load centers, offering a high-capacity upgrade for older Murray MP330 installations. With a 22kAIC rating at 240VAC, it includes Insta-Wire connections and a common trip function for reliable three-phase safety.