Square D QOB3301021 – 30A 3 Pole Miniature Circuit Breaker Fast Shipping

Built for commercial and industrial systems, the Square D QOB330-1021 is a 3-pole, 30A breaker. It includes a factory-installed shunt trip, allowing remote tripping via a 120/240VAC control circuit. This device features a secure bolt-on mounting style, making it fully compatible with Square D NQ and NQOD panelboards. The bolt-on design ensures a stable connection in demanding environments.