Siemens SENTRON 3VL System Manual page 160
Switching/protection devices, molded-case circuit breakers
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Also See for SENTRON 3VL:
- System manual (318 pages) ,
- Function manual (146 pages) ,
- Operating instructions manual (12 pages)
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Technical data
12.5 Derating factors
Thermomagnetic overcurrent trip unit:
Fixed mounting:
Table 12- 21 Derating factors of thermomagnetic overcurrent trip unit
Circuit
breaker
VL160X
VL160
VL250
VL400
VL630
160
I
Cross-
n
section Al
section Cu
At 50 °C
[mm
[A]
[mm
] min.
2
16
2,5
20
2,5
25
4
32
6
40
10
50
10
63
16
80
25
100
35
125
50
160
70
50
10
63
16
80
25
100
35
125
50
160
70
200
95
250
120
200
95
250
120
315
185
400
240
315
185
400
240
500
2x150
630
2x185
Cross-
Max. rated uninterrupted current according to the
ambient temperature x I
]min
2
40 °C
1
4
4
1
6
1
10
1
10
1
16
1
25
1
35
1
50
1
70
1
95
1
16
1
25
1
35
1
50
1
70
1
95
1
120
1
185
1
120
1
185
1
2x120
1
2x150
1
2x120
1
2x150
1
2x185
1
2x240
1
System Manual, 03/2009, 110 0110 - 02 DS 01
n
50 °C
60 °C
1
0,93
1
0,93
1
0,93
1
0,93
0,93
1
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
1
0,93
3VL molded-case circuit breakers
70 °C
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
0,86
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