Eaton / Cutler-Hammer BR340ST – 40A 3 Pole Miniature Circuit Breaker Grab Now

Engineered for commercial and industrial applications, this 40-amp, three-pole device features an integrated 120VAC shunt trip mechanism for remote power interruption. It mounts into standard Eaton Type BR load centers and is compatible with legacy Cutler-Hammer enclosures. Delivering a 10kAIC rating at 240VAC, the thermal-magnetic design provides reliable long-time and instantaneous protection. The factory-installed shunt trip makes it ideal for emergency stop or automated control systems.