Square D QOB3801021 – 80A 3 Pole Miniature Circuit Breaker Must Have

Featuring a factory-installed 120/208/240VAC shunt trip mechanism, the QOB3801021 enables remote tripping capabilities for safety and control applications. This 80-amp, three-pole device fastens into Square D NQ and NQOD panelboards using a secure bolt-on connection. The assembly requires four pole spaces due to the integrated accessory. It delivers standard 10kAIC protection at 240V and includes the Visi-Trip visual indicator to simplify maintenance and troubleshooting.