Sale Square D QOB2451021 – 45A 2 Pole Miniature Circuit Breaker

Engineered for commercial and industrial applications, the Square D QOB245-1021 is a 2-pole miniature circuit breaker rated for 45 amps. It provides robust thermal-magnetic protection for electrical systems requiring remote tripping capabilities. This unit mounts into Square D NQ and NQOD panelboards, utilizing a secure bolt-on connection to ensure stable performance. Rated for 10 kAIC at 120/240VAC, this breaker features a factory-installed shunt trip and the signature Visi-Trip indicator.