Shop Now Square D EH24040 – 40A 2 Pole Molded Case Circuit Breaker

A drop-in solution for legacy systems, the Square D EH24040 is a 2-pole, 40-amp plug-on molded case circuit breaker. It installs into older NEHB panelboards, which uniquely support both plug-on and bolt-on connections. If a plug-on unit is not required, the EHB24040 bolt-on breaker acts as a direct substitute. Rated for 14kAIC at 480Y/277VAC, it utilizes thermal-magnetic trip technology and features the signature Visi-Trip indicator to simplify troubleshooting and maintenance.