Package included: 1pc x Switch High quality: The shell is made of excellent material, waterproof and dustproof. 【Switch【Push button switch】HY52 equipment and mechanical device on/off switch - this electrical push button switch belongs to the safety switch, the device will not turn on after unexpected power off, you need to press the green start button. Can be used with overload protection switch for undervoltage and overload protection, current/voltage: 20/12A, 125/250V. Function: brake function with bipolar lock. With light for daily convenience. Can be combined with an overload protection switch to achieve undervoltage and overload protection. 【Application range】 - HY52 4 pin push button switch / AC 125/250V 20/12A ON-OFF push button switch for power tools / Industrial electrical push button switches, suitable for household or similar electrical appliances or equipment, widely used in machine tools, large power tools and garden machinery.