Square D QO140 Miniature Circuit Breaker
- amperage: 40A
- voltage: 120V AC
- poles: 1-Pole
- mounting: Plug-In
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Square D QO140 40A 1-Pole Miniature Circuit Breaker. Key Specifications: Amperage: 40A; Voltage: 120V AC; Poles: 1-Pole; Trip Function: Thermal-Magnetic (LI); Mounting Type: Plug-In (QO Panelboard); Interrupting Rating: 10 kAIC. The Square D Catalog Number QO140 is a 1-Pole, 40A miniature circuit breaker designed specifically for use in Square D QO load centers and NQ panelboards. This thermal-magnetic breaker provides standard overcurrent and short-circuit protection at 120V AC, suitable for light commercial and residential branch circuit applications. It features a reliable plug-in connection for quick installation and is UL listed.
