Mining explosion-proof and intrinsically safety type vacuum combination switch is for coal mine use.

Mining explosion-proof and intrinsically safety type vacuum combination switch

Model No.	Rated voltage(V)	Rated current (A)	Maximum power of sigle-loop control motor		Weight (kgs)
QJZ-4x30,60/1140(660)	660/1140	30/60	1140V	660V	190
			44	25
			88	59

Mining explosion-proof and intrinsically safety type vacuum combination switch