1High insulation voltage is AC 660V and the rated voltage is 440V. 2With 2 positions of contact,the switch can be used in more areas. 3The switch works stable and very practical in use. 4Long service life.The mechanical life is 5000000 times and electrical life is 500000 times. 5This button is suitable for action control in AC 50Hz, voltage 380V and below, DC 220V and below electromagnetic starters, contactors, relays and other electrical circuits.
