The Eaton Cutler-Hammer ELFD3040L is a 3-pole, 40-amp earth-leakage circuit breaker (Type ELFD). This device from Eaton’s Cutler-Hammer line provides earth leakage protection by interrupting current when leakage to ground is detected, helping to safeguard personnel and equipment on circuits rated at 40 A. The model designation ELFD3040L identifies its 3-pole configuration and 40-amp rating within the ELFD family.
