... Is 240V Or 277V The Nominal Current Up To The 40A Electric Circuit, Is Suitable For ... Fixed Working Voltage To 277v, Fixed Operating Current To 40A Single-Phase Load Circuit Control,At Present, ... Pole Number, Coil Control Voltage, Rating Of Operating Current, Wiring Way(Terminal), Whether With Cover ,The ... Way, Etc If You Request As Follows: Nominal Current: 40A, Working Voltage: 240/277V,480V,600V, Pole ...