This switch have the following function that derived from power-off and under voltage protection:1. Double Pole cut off2. Brake function with one pole cut off3. These two versions can be combined with overload protection switch to achieve under voltage and overload protectionWidely used in machine tools, -scale power tools, garden machinery above, belonging to the safety switch, the device will not turn on after power off unexpectedly, need to press the green button will turn on. and high quality.Product name: Electromagnetic Push button switchModel: KJD17Rated Voltage:AC250VRated Current: 18A(AC-1) 15A(AC-3)Coil Voltage: 220-240VRated Frequency: 50/60HzPin : 5 PinsDegree Protection: IP55Number of operating Cycles: 5E4 temperature: T85/55colour:blackMaterial:plasticsize:53x27mmPackage Contents:1 x Electromagnetic Push button switchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.