This switch features power-off and under voltage protection functions: 1. Double pole cut off 2. Brake function with one pole cut off These versions can be combined with an overload protection switch to provide under voltage and overload protection. Widely used in machine tools, power tools, and garden machinery, this safety switch prevents the device from turning on after an unexpected power outage. The switch must be manually reset by pressing the green button to restart. Product name: Electromagnetic Push Button Switch Model: KJD17 Rated Voltage: AC 250V Rated Current: 18A (AC-1), 15A (AC-3) Coil Voltage: 220-240V Rated Frequency: 50/60Hz Pin: 5 Pins Degree Protection: IP55 Number of Operating Cycles: 5E4 Temperature: T85/55 Color: Black Material: Plastic Size: 53x27mm Package Contents: 1 x Electromagnetic Push Button Switch Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight variations in color representation. Measurement error is +/- 1-3cm.