Best Seller Square D EGB34040 – 40A 3 Pole Miniature Circuit Breaker

Designed to handle demanding commercial loads, this 40-amp, 3-pole E-Frame circuit breaker delivers dependable thermal-magnetic protection. It features a robust 35kAIC interrupting rating at 480Y/277V and 65kAIC at 240V, making it suitable for diverse industrial applications. The unit mounts into Square D NF panelboards via a sturdy bolt-on connection, ensuring maximum stability in high-vibration environments.