This button is suitable for AC 50Hz, voltage 380V and below, DC 220V and below electromagnetic starters, contactors, relays and other electrical circuits play a controlling role
The electric shock part is made of silver alloy material, durable and long service life
The contact form adopts 2 groups normally open, it has stable performance
The size of opening hole is 22mm which is convenient to install
This switch has three gear which is easy to control