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Dimensions
Section 12
Influence of ambient
temperature (cont.)
Technical advice
C120 derating table (IEC 60898-1)
C120 Ambient temperature (°C)
Rating -30 -25 -20 -15 -10 -5 0
+5 +10 +15 +20 +25 +30 +35 +40 +45 +50 +55 +60 +65 +70
10 A 12.9 12.7 12.5 12.2 12 11.8 11.5 11.3 11 10.8 10.5 10.3
10
9.7 9.4 9.1 8.8 8.5 8.2 7.9 7.5
16 A 19.4 19.1 18.8 18.6 18.3 18 17.8 17.5 17.2 16.9 16.6 16.3
16
15.7 15.4 15.1 14.7 14.4 14 13.7 13.3
20 A 24.6 24.2 23.9 23.5 23.2 22.8 22.4 22 21.6 21.2 20.8 20.4
20
19.6 19.1 18.7 18.2 17.7 17.3 16.8 16.2
25 A 30.9 30.5 30 29.5 29.1 28.6 28.1 27.6 27.1 26.6 26.1 25.5
25
24.4 23.9 23.3 22.7 22.1 21.5 20.8 20.1
32 A 38.9 38.4 37.9 37.3 36.8 36.2 35.6 35 34.5 33.9 33.3 32.6
32
31.4 30.7 30 29.3 28.6 27.9 27.2 26.4
40 A 49.8 49.1 48.3 47.6 46.8 46 45.2 44.4 43.5 42.7 41.8 40.9
40
39.1 38.1 37.1 36.1 35.1 34.1 33 31.8
50 A 62.2 61.3 60.4 59.4 58.4 57.5 56.5 55.4 54.4 53.3 52.2 51.1
50
48.8 47.7 46.4 45.2 43.9 42.6 41.2 39.8
63 A 78.6 77.5 76.3 75 73.8 72.5 71.3 69.9 68.6 67.3 65.9 64.5
63
61.5 60 58.4 56.8 55.2 53.5 51.7 49.9
80 A 98.4 97 95.6 94.2 92.7 91.2 89.7 88.1 86.6 85 83.4 81.7
80
78.3 76.5 74.7 72.8 70.9 69 67 64.9
100 A 124.5 122.6 120.7 118.8 116.9 114.9 112.9 110.9 108.8 106.6 104.5 102.3
100
97.7 95.3 92.9 90.4 87.8 85.2 82.5 79.6
125 A 157 154.6 152.2 149.7 147.1 144.6 141.9 139.2 136.5 133.7 130.9 128
125
122 118.8 115.6 112.3 108.9 105.4 101.8 98
IEC 60898-1