This switch features power-off and under-voltage protection functions: 1. Double pole cut-off 2. Brake function with single pole cut-off These versions can be combined with an overload protection switch to provide both under-voltage and overload protection. Commonly used in machine tools, large power tools, and garden machinery, this safety switch prevents the device from automatically turning on after an unexpected power outage. The switch requires pressing the green start button to restart. and high quality. 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 Quantity: 5 Pins Protection Degree: IP55 Number of Operating Cycles: 5E4 Ambient Temperature: T85/55 Color: Black Material: Plastic Size: 53 x 27mm Package Contents: 1 x Electromagnetic Push Button Switch Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement error is +/- 1–3 cm.