Features:_x000D_ _x000D_ High insulation voltage is AC 660V and the rated voltage is 440V. _x000D_ With 2 positions of contact,the switch can be used in more areas. _x000D_ The switch works stable and very practical in use. _x000D_ Long service life.The mechanical life is 5000000 times and electrical life is 500000 times. _x000D_ This 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. _x000D_ _x000D_ Specification:_x000D_ Model: BEM38-11DS(LA38)_x000D_ Color:Red/Yellow/Blue/Green(Optional)_x000D_ Indication Light Voltage:AC220V_x000D_ Rated Voltage: 440V_x000D_ Ui: AC660V_x000D_ Working Current: 10A_x000D_ Function:Self-Locking Button_x000D_ Contact Type:1 on 1 off_x000D_ Hole Diameter: 22mm/0.87in_x000D_ Rated Heat Current: 15A_x000D_ Contact Material:Silver Alloy_x000D_ Contact Resistance: 50ohm_x000D_ Insulation Resistance: 50Mohm_x000D_ Mechanical Life:5000000 times_x000D_ Electronic Life:500000 times_x000D_ Size:82 x 35 x 29mm / 3.23 x 1.38 x 1.14in _x000D_ _x000D_ Package List:_x000D_ 10 x Button Switch