Square D QOB3451021 – 45A 3 Pole Miniature Circuit Breaker Weekend Sale

Featuring remote tripping capabilities, the QOB345-1021 includes a factory-installed shunt trip mechanism. This 45-amp, three-pole device is designed for commercial environments requiring automated control. The unit utilizes a robust bolt-on connection for maximum stability. It is fully compatible with Square D NQ and NQOD panelboards. Alongside the shunt trip, it retains the standard Visi-Trip indicator for quick fault identification, providing a 10kAIC rating at 240VAC.