RU-825ZK switchgear (with short-circuiting contact)

Switchgear RU-825ZK is provided for automatic short-circuiting of track rail insulated joint (rolling stock maintenance inspection track section) during voltage supply to metro line contact rail.

RU-825ZK is a one-side serviced complete device, including contactor, protection and lighting devices. Structurally RU-825ZK consists of a cabinet and base. Power contactor and control elements are installed in the cabinet. Base is provided for cabinet installation on its proper location. Power cables are ingoing into the cabinet from below.

Switching of contactor is carried out automatically in case of voltage supply from substation feeding line to contact line of rolling stock maintenance inspection track section. Connection of contactor to control system is provided with double-pole automatic circuit breaker. Power supply to contactor coil is 220 V, 50 Hz.