thanks for the link, I did check out ABB before I posted this question. ABB does not talk about ambient temperatures for this type of MV Switchgear. I checked with SCHNEIDER and they have said their product is suitable only up to -25 deg.C not -36 deg C which is required in this region
Dear Forum members,
We intend to install 10kV, outdoor type Switch-fuse or circuit breaker units close to the Transformers for Transformer primary protection & also safety isolation during maintenance. The ambient temperatures in area of installation varies between -36 deg C & + 45 deg C. My...