Guidance

Potential failure of High-Voltage (HV) 11KV Switchgear – Schneider Electric (Merlin Gerin) Ringmaster RN2c, RE2c and RN6c ring main units

Potential failure of the Merlin Gerin Ring Main Unit to isolate and Earth as shown on the position indicator window.

Document

Detail

Problem identified

Potential failure of the Merlin Gerin Ring Main Unit to isolate and Earth as shown on the position indicator window.

Cable can still be LIVE even when switching indicator shows the switch gear in each the positions OFF and EARTH ON.