ITEM NAME:Double bit with light button APBB-22 & 25N one normally open a normally clo K4U1 Double bit with light button APBB-22 & 25N one normally open a normally clo K4U1 Model APBB-22 & 25N Working voltage 250 (V) Mode of operation combination Contact structure composite button Protection mode protection Operating current 10 (A) Rated heat current 10 (A) Contact resistance 1 (Ohm) Insulation resistance 1 (MOhm) Head protection class 1 Mechanical life 10000 (times) Double Bit Button APBB-22 & 25N Hole diameter: 22MM or 25MM Contact: a normally open a normally closed Lamp voltage: 220V color:black Material:metal/Plastic Package Contents: 1X Button Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.