... ),Mainly Is Suitable For 50Hz Or 60Hz, When The AC-8a Use Category Fixed Working Voltage Is 240V Or 277V ... Voltage To 277v, Fixed Operating Current To 30A Single-Phase Load Circuit Control,At Present, Widely Applies To The Single-Phase ... Voltage In 20% ~ 70%Us b. Contactor Use Category: Ac-1Ac8a c. Contactor In With 0.4m Place, Its Noise ... Purpose Contactor HLC-1XU02AAC(1.5P/30A/208-240VAC) AC Contactor