Mining Explosion-proof Vacuum Feeder Switch

Use

KBZ10-200/1140, KBZ10-200/1140(660) mining explosion-proof vacuum feeder switch is used in coal mines for three-phase isolated neutral power supply system with AC 50Hz, rated current to 400A(200A). It can be used as master switch or sub-switch of power distribution system or used to control infrequency high-capacity starter.

Function Features

Circular switch, traditional manual operation for combined gates and sub-gates, easy to operat; small size and light weight, easy to transport; with short circuit, overload, leakage atresia, wind power atresia, three-phase symmetry and selective leakage functions; with leakage and short circuit  test button, a signal display and network insulation instructions.

Main Tenichcal Parameters

Rated Voltage: 1140V (660V)

Rated Current: 400(200A)

Ultimate Breaking Capacity: 7.5KA

Rated Working System: Long-term

Operation: Manual closing gate, manual or electrical sub-gate  

Mining Explosion-proof Vacuum Feeder Switch