The Deca A20-E02P is a 2 NC (normally closed) 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 47.6 mm Height (1.64" x 1.87")
Deca A20-E02P Normally Closed Two Contact Block for A20 Series Push Buttons