The Eaton Cutler-Hammer SPHM1HM07R5 circuit breaker is a 1-pole, DIN-rail mounted device rated for 7.5 amps at 277 VAC. Its part number SPHM1HM07R5 identifies this specific unit for panel protection in electrical systems powered by 277 VAC. Use it in electrical panels and control circuits that require compact, rail-mounted protection for circuits on 277 VAC supply.
