Scope of application.Explosive gas mixture hazard special field: zone 1, zone 2. Explosive gas mixture:IIA 、 IIB . Temperature group: T1-T6. Combustible dust environment area 20, 21, 22.

Open button: generally used on the panel of switchgear, console and control cabinet.Protective button: with a protective shell to prevent the internal parts from mechanical damage or the operator touch…

The control button is a kind of main electrical appliance with simple structure and wide application.Mainly used for remote control contactors, electromagnetic starters, relay coils and other control c…