Switchgear type BTW-05/7

Switchgear BTW - 05/7 is an electrical device designed for use in underground mining in non-explosive hazard conditions as well as on the ground. Switchgear type BTW - 05/7 is designed to connecting and switching on air regulating damper (with AUMA NORM drives ), 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.