Product name: Electromagnetic button switch Rated voltage: AC250V Rated frequency: 50/60Hz Protection level: IP55 Number of operating cycles: 5E4 Ambient temperature: T85/55 The switch has the following power-off and under-voltage protection functions: 1. Bipolar power-off 2. One-pole power-off braking function 3. These two versions can be combined with overload protection switches to achieve under-voltage and overload protection 4. They are widely used in machine tools, large power tools, and garden machinery. They are safety switches. The device will not turn on after a power outage. Surprisingly, you need to press the green start button to turn it on. Type: 4-pin Color: Black Material: Plastic Package Contents: 1 x Electromagnetic Switch Only the above package contents are not included, other products are not included. Note: Light photography and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/-1-3cm.