The Eaton Cutler-Hammer GHQ1020 NS is a 1-pole circuit breaker rated for 20 amps at 277 volts, designed to protect a single electrical circuit in compatible panels. As part of the GHQ series, it provides overcurrent protection for installations that require a 277V single‑phase supply. Install this 20A, 277V, 1P breaker in Eaton/Cutler-Hammer panels that accept GHQ-type devices to ensure proper compatibility and operation.
