Mining Explosion Proof Vacuum Feeder Switch KBZ-630/1140, KBZ-500/1140(660), KBZ-400/1140(660), KBZ-200/1140(660)

 

 

Our KBZ series of mining explosion proof vacuum feeder switch is used in the underground coal mine with explosive gases as the branch switch of the power line with the rated frequency and voltage of 50Hz and 1140 or 660V respectively. It can also serve as the infrequent start control switch for large-capacity motor.

Product Features:

1 The cabinet is welded with superior steel plates. It has self-locking function, combined with advanced intelligent micro-computer protection device, easily displaying, high protection and super reaction.

The superior protection includes open-door self-locking, leakage self-locking, over pressure/voltage/short voltage/short circuit/circuit break/open phase/methane protection and other protections.

 

型号 Model Тип	KBZ-630/1140	KBZ-500/1140(660)	KBZ-400/1140(660)	KBZ-200/1140(660)
额定电压(V) Rated voltage (V) Номинальное напряжение	1140	1140(660)	1140(660)	1140(660)
额定电流（A） Rated current (A) Номинальный ток	630	500	400	200