INSTALL AT ION
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— Temperature performance
Circuit-breakers with thermal-magnetic trip units The circuit-breakers fitted with thermal-magnetic trip units have the thermal element set for a reference temperature of +40°C. With the same setting, for temperatures other than +40°C there is a variation in the thermal trip threshold as indicated in the tables below.
XT1 - TMF In [A]
30°C
40°C
50°C
60°C
70°C
15 20 25 30 35 40 45 50 60 70 80 90
16 21 26 32 37 42 48 53 63 74 84 95
15 20 25 30 35 40 45 50 60 70 80 90
14 19 23 28 33 38 42 47 56 66 75 85 94
13 18 22 26 31 35 40 44 52 61 70 79 88 96
12 16 20 24 29 33 37 41 49 57 65 73 81 90
100 110 125
105 115 131
100 110 125
103 117
109
102
XT2 - TMF In [A]
30°C
40°C
50°C
60°C
70°C
15 20 25 30 35 40 50 60 70
16 21 26 32 37 42 53 63 74
15 20 25 30 35 40 50 60 70
14 19 23 28 32 37 47 56 66
13 17 22 26 31 35 43 52 61
12 16 20 24 28 32 40 49 57
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