Premium Siemens QF245A – 45A GFCI Miniature Circuit Breaker

Built for residential and commercial applications, the 45A QF245A delivers reliable 5mA Class A ground-fault protection. It easily installs into Siemens EQ, ES, PL, and Ultimate series load centers via a standard plug-on connection. This updated model replaces the older QF245 and includes modern self-test functionality to meet current UL 943 standards. Featuring a 10kAIC rating at 120/240VAC, it is ideal for securing hot tubs, spas, and other wet-location circuits requiring NEC compliance.