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
The following derating table should be apply for Comb Busbars
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 |