Square D QOB340EPD – 40A GFEP Miniature Circuit Breaker Big Sale

Shielding critical three-phase loads from electrical damage, this 40A equipment protection device features a specialized 30mA ground fault trip threshold. The bolt-on mounting style guarantees a robust connection within Square D NQ and NQOD panelboards, preventing loose seating in high-vibration commercial settings. With a 10kA interrupting capacity at 240VAC and a built-in Visi-Trip flag, facility managers gain enhanced safety and rapid visual diagnostics during fault events.