Square D EH34040 – 40A 3 Pole Molded Case Circuit Breaker Price Drop

Designed to protect commercial electrical systems, this 40-amp molded case circuit breaker utilizes fixed thermal and magnetic trip elements. It installs effortlessly into Square D NEHB panelboards, providing a secure plug-on connection for three-phase applications. The unit features a 65kA interrupting rating at 240VAC and includes a highly visible trip indicator for rapid diagnostics. For modern upgrades, this specific E-frame breaker is frequently replaced by the EHB34040 configuration.