FLP Flameproof Vacuum Insulated Switchgear High Voltage For Mining

FLP Flameproof Vacuum Insulated Switchgear High Voltage For Mining Description: KBZ-400/1140(660)Z mine use flame-proof intelligent vacuum feed switches are suitable for underground mines containing explosive gas (methane) and coal dust. They are is used as general switches for power distribution, or branch switches in a 50Hz, 1140V or 660V and current up to 400A (630A) 3-phase electrical network with non-directly earthed neutral. They have protection functions for short