A microswitch has 2 limit switches operating together and sharing a common terminal . One limit switch is normally open and the other is normally closed. To be technically correct, the switch configuration is Single Pole Double Throw, commonly referred to as SPDT. Specifications: Operating voltage 250 Volts Connector type Screw Brand Sourcingmap Switch style Limit Switch, SPDT Terminal SPDT Item Dimensions L x W x H 14 x 10 x 3 centimetres Plug profile Panel Mount Actuator type Plunger Contact material Plastic Package Includes: 1 x Micro Limit Switch CNTD CM -1307