Best Seller Square D EJB34045 – 45A 3 Pole Miniature Circuit Breaker

Built for commercial and industrial environments, the Square D EJB34045 is a 45-amp, 3-pole miniature circuit breaker. It utilizes thermal-magnetic trip technology to defend against overloads and short circuits. Engineered for compatibility with Square D NF panelboards, this E-Frame breaker utilizes a secure bolt-on mounting style. Delivering a robust 65 kAIC interrupting rating at 480Y/277VAC, it ensures high-level fault protection and features the signature Visi-Trip visual indicator.