20Pcs 250V Universal NVR Safety Switch Emergency Stop Saftey Cut Off Killer Touch Switch.     Features:  -Small NVR switch for Loads 6A resistive charge and 4A inductive charge.  -Common replacement Switch for many Woodworking and Metalworking machines, Pillar Drills (Clarke), etc.  -Simple to connect with clearly marked spade terminals.  -Dust Cover and Rear Seal.  -Responsive Buttons.  -Simply connect using insulated spade terminals, the connections being clearly marked for input and output.  -It is a no-volt-release type of switch, providing safety in the event of an interruption of power.  -Requires a rectangular hole approximately 27 x 42mm, spring clips holding the switch securely.     Notice:  1. Please allow a bit of error due to manual measurement. please make sure you do not mind before you bid.  2. The color may have different from the difference displayed, pls understand.    Specifications:  Material: Plastic;  Voltage: 250V;  Current: 6A resistif charge and 4A inductive charge;  Number of Opertating cycles:5E4;  Degree of Protection:IP55;  Switch body:42mm x 27mm;  Depth behind mounting plate:39.6mm;  Overall Dimensions:50mm x 30mm x 49.6mm;  Quantity:20 pcs;     Package Included:  20 Pcs x KJD20-2 Switch.