The Deca A20-E10P is a 1 NO (normally open) contact block for the A20 series push buttons and selector switches. Contact blocks for the A20 series are detachable. Dimensions: 41.6 mm Width x 27.6 mm Height (1.64" x 1.1")
Deca A20-E10P Normally Open Single Contact Block for A20 Series Push Buttons