Eaton Cutler-Hammer QCL1040N is a 1-pole, 40-amp, 120-volt circuit breaker. It is designed for use in compatible Cutler-Hammer electrical panels and provides overcurrent protection for a single branch circuit by interrupting current during overloads or fault conditions. The QCL1040N designation identifies the 40 A rating and 120 V operating specification within the QCL family, guiding installers to the correct breaker for a given panel. This breaker is intended for use in appropriate Eaton/Cutler-Hammer panels to protect wiring and connected devices in residential or light commercial electrical installations, ensuring compatibility with QCL-series breakers for reliable performance.
