Square D™ QO240 QO™ Standard Miniature Circuit Breaker, 120/240 VAC, 48 VDC, 40 A, 10 kA Interrupt, 2 Poles, Common/Thermal Magnetic Trip

The Square D™ QO240 is a QO™ plug-on miniature circuit breaker rated at 40A, 2-pole, for 120/240 VAC and 48 VDC systems. Provides 10 kA interrupting capacity with common/thermal magnetic trip. Features VisiTrip™ indicator for clear visual confirmation of a tripped condition. Compatible with QO and QON load centers and NQ panelboards. UL Listed and CSA certified. Suitable for residential, commercial, and industrial 240V branch circuit protection applications such as electric ranges, large HVAC units, and water heaters.