The temperature derating of comb busbars for C60 and DT60 circuit-breakers is indicated in the declaration provided below and in the extra info.

The following derating table should be apply for Comb Busbars

Derating table

Connection	40°C	45°C	50°C	55°C	60°C
1 point	80A	76.8A	74.4A	72A	68A
2 points	100A	96A	93A	90A	85A

Released for: Schneider Electric UK