Special Offer Siemens / Murray MP240GF – 40A GFCI Miniature Circuit Breaker

A drop-in replacement for older Murray and Siemens load centers, the MP240GF delivers reliable 5mA Class A ground-fault protection. This 2-pole, 40-amp plug-on breaker features a pigtail neutral connection and is rated for 10kAIC at 120/240VAC. Built to meet strict NEC requirements for wet and damp locations, it ensures personnel safety by detecting dangerous ground faults. Note that this is a legacy component; for new installations or modern upgrades, the QF240A is the recommended substitute.