Item Type: Push Button Switch Material: Stainless Steel Purpose: Can be widely used in low current doorbell, access control, equipment start and point start switch Operating Voltage: 3V Current: 1A Reset Type: Press for power on, loose for power off Installation Thread: M10 x 0.5 Wiring Mode: Welding foot Contact Mode: One normally open contact (double breakpoint slow contact switch with two terminals) Electrical Life: More than 100,000 times Working Environment Temperature: -20~ +55 Mechanical Life: More than 200,000 times Electrical Strength: AC2000V 50Hz/60H Protection Grade: IP65, IK08 Length: Approx. 22mm / 0.9in Note: This product is a welding switch, the temperature of the soldering iron should not exceed 300 degrees, and the contact time should not exceed 1 second.