Siemens SENTRON 3VL160X System Manual page 146

Technical data
11.4 Derating factors
Plug-in or withdrawable version:
Table 11- 19 Derating factors for thermal-magnetic overcurrent release + RCD module (plug-in or
Molded
case circuit
breaker
VL160X
VL160 &
VL160X
VL250
VL400
Electronic trip unit
Fixed mounting:
Table 11- 20 Derating factors for electronic trip unit (fixed mounting)
Molded
case
circuit
breaker
VL160
VL250
VL400
VL630
VL800
VL1250
VL1600
Note
The electronic trip units with order No. supplement (9th and 10th position) Sx, Mx, Lx, Tx, Nx
and Ux have a thermal self-protection feature that trips the breaker if the electronics
components reach 100 °C.
146
withdrawable version)
Release
Thermal-magnetic TM
From [A] To [A]
16 40
50 100
125 160
200 250
200 250
315 400
I Cross-
n
section Cu
At 50 °C
[mm ] min.
2
[A]
63 16
100 35
160 70
200 95
250 120
315 185
400 240
630 2x185
800 500
1000 600
1250 800
1600 1000
40 °C 50 °C
1
1 0,97
1 0,88
1 0,85
1 0,97
1 0,85
Cross- Max. rated uninterrupted current according to the
section Al
[mm ] min.
2
40 °C
25 1
50 1
95 1
120 1
185 1
2x120 1
2x150 1
2x240 1
-- 1
-- 1
-- 1
-- 1
System Manual, 11/2013, 110 0110 - 02 DS 03
Coefficient
at
60 °C
1 1
0,97
0,88
0,85
0,97
0,85
ambient temperature x I
n
50 °C 60 °C
1 1
1 1
1 1
1 1
1 0,95
1 1
1 0,95
1 0,95
1 0,95
1 1
1 0,95
1 0,95
3VL IEC molded case circuit breakers
70 °C
1
0,97
0,88
0,85
0,97
0,85
70 °C
0,8
0,8
0,8
0,8
0,8
0,8
0,8
0,8
0,8
0,8
0,8
0,8