Next Day Delivery Square D QOB240EPD – 40A GFEP Miniature Circuit Breaker

Rated at 10 kAIC at 120/240VAC, the Square D QOB240EPD delivers two-pole, 40-amp thermal-magnetic protection equipped with a 30mA Class B ground-fault trip. It is specifically designed to protect equipment from damaging low-level ground faults, distinguishing it from standard 5mA personnel devices. The breaker mounts into Square D NQ and NQOD panelboards using a secure bolt-on connection. This 40A version utilizes box lug terminals that accept 14-6 AWG copper wire and includes Visi-Trip.