Siemens SENTRON 3VL System Manual page 163

Plug-in or withdrawable version:
Table 12- 24 Derating factors for thermomagnetic overcurrent trip unit + RCD module (plug-in or
Circuit
breaker
VL160X
VL160 &
VL160X
VL250
VL400
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
withdrawable version)
Trip unit
Thermomagnetic TM
From [A] To [A]
16 40
50 100
125 160
200 250
200 250
315 400
Coefficient
at
40 °C 50 °C
1 1
1 0,97
1 0,88
1 0,85
1 0,97
1 0,85
Technical data
12.5 Derating factors
60 °C 70 °C
1 1
0,97 0,97
0,88 0,88
0,85 0,85
0,97 0,97
0,85 0,85
163