Authentic Square D QOB21251021 – 125A 2 Pole Miniature Circuit Breaker

Delivering 125A of thermal-magnetic protection, the Square D QOB2125-1021 is built for commercial distribution. This two-pole breaker is rated for 120/240VAC and provides a 10kAIC interrupting capacity. It installs into Square D NQ and NQOD panelboards, utilizing a bolt-on mounting style for a secure connection. The unit accepts 4 AWG to 2/0 AWG wiring via box lugs. A factory-installed shunt trip allows the breaker to be opened remotely, making it ideal for emergency stop applications.