1100% brand new and high quality. 2When you push the button, the switch is on; when you release your hand, the switch will reset and off. 3Solid metal outer casing, durable with long service life. 4IP65 waterproof and dustproof, stable and reliable. 5This switch can be used for circuit control in electromagnetic starter, contactor, relay, etc.Features:100% brand new and high quality. When you push the button, the switch is on; when you release your hand, the switch will reset and off. Solid metal outer casing, durable with long service life. IP65 waterproof and dustproof, stable and reliable. This switch can be used for circuit control in electromagnetic starter, contactor, relay, etc.Specification:Model: BEM-19-11 Operation type: Auto reset type Mounting size: 19mm Head shape: Flat head Wiring method: 3 pin Switch combination: 1 normally open +1 normally closed +1 common (NO+NC+C) Housing material: Brass nickel plated Housing color: Silver Waterproof and dustproof rating: IP65 Weight: 766g (approx.) Package List:40 *Metal Push Button Switch