CONTACT BLOCK; Switch Terminals:Spring Clamp; No. of Poles:1 Pole; Contact Current Max:-; Contact Voltage AC Max:-; For Use With:3SB3 Pushbutton Units and Indicator Lights; Contact Voltage DC Max:-; Product Range:SIRIUS 3SB3 Series; SVHC:No SVHC (12-Jan-2017); Insulation Resistance Voltage:400V; Proof Voltage:5V