1PC AC250V Waterproof Electromagnetic Push Button switch 4/5Pin Can Replace KJD17 KLD-28protection Starter Safety Switch Electromagnetic Push Button Switches Starter Machine Tool Equipment Waterproof _x000D_ Notice:KLD28 KJD17 are only named differently. The function and appearance are the same, and they are sent randomly _x000D_ _x000D_ Product name: Electromagnetic Push button switch _x000D_ _x000D_ Model: KJD17/KJD17A(KLD28/KLD28A) _x000D_ _x000D_ Rated Voltage:AC250V _x000D_ _x000D_ Rated Current: 18A(AC-1) 15A(AC-3) _x000D_ _x000D_ Coil Voltage: 220-240V _x000D_ _x000D_ Rated Frequency: 50/60Hz _x000D_ _x000D_ Pin Number: 4Pin/5Pin _x000D_ _x000D_ Degree Protection: IP55 _x000D_ _x000D_ Number of operating Cycles: 5E4 _x000D_ _x000D_ Ambient temperature: T85/55 _x000D_ _x000D_ This switch have the following function that derived from power-off and under voltage protection: _x000D_ _x000D_ 1. Double Pole cut off _x000D_ _x000D_ 2. Brake function with one pole cut off _x000D_ _x000D_ 3. These two versions can be combined with overload protection switch to achieve under voltage and overload protection _x000D_ _x000D_ Widely used in machine tools, large-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 start button will turn on. _x000D_ _x000D_ _x000D_