Description: Anti-misoperation, the panel extension is ultra-thin design, reducing accidental touch and causing misoperation or accident. IP54 waterproof, IK10 explosion-proof, safer to use. It is made of high quality PC flame retardant material, resistant to temperature and flame retardant, and has a service life of up to 500,000 times. Easy to install and easy to disassemble. Used widely to control the electromagnetic starter, contactor, relay and other automatic control electric circuits. Specification: Material: plastic Installation size: 16mm Storage temperature: -30 ° C ~ 70 ° C Working humidity: 45~85% RH Waterproof rating: IP54 Rated insulation voltage: AC660V 50Hz Power frequency withstand voltage: AC1890V Ambient temperature: -25 ° C ~ 55 ° C Package Includes: 1 Piece self-locking switch Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above