compact structure steady property small volume high
capacity and long-term life has several functions to be selected freely Explosion-proofing button by
ultrasonic encapsulation arts ensuring the dependable combining intension The push button by module
The function of it can combine freely in two units The explosion-proofig indicator by special design
using within the AC voltage scope of220V-380V generally
4.All the exposed fastening pieces are made of stainless steel and of anti-lost t