Switchgears type BTW-05/1 and BTW-05/2
Switchgears type BTW-05/1 and BTW-05/2 are an electrical devices designed for use in underground mining in non-explosive hazard conditions as well as on the ground. Switchgears type BTW-05/1 and BTW-05/2 are designed to connecting and switching on air regulating damper, controlling the flow of air through gangways, in a 3-phase mine grid with isolated star point of the transformer ( IT ) for rated grid voltage of 500V.