Describe:
● Color: red/green/yellow/white/blue
●Button type: self-reset/self-locking
● Installation hole diameter: 16mm
● Head shape: round/square/rectangular
● Shell material: Nylon PA66
●Contacts: silver-plated copper
● Contact: 2 NO 2 NC
● Protection level: IP54
●Ambient temperature: -10℃ to +55℃
● Mechanical life: ≥1 million times
● Jack: 5-pin and 8-pin