Siemens SENTRON 3VL series - 4 NC Current Transformers for Measuring Purposes

Dimensional drawings
12.11 4NC current transformers for measuring purposes
3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03
291
12.11
4NC current transformers for measuring purposes
Table 12- 24
4NC51
4NC52
4NC53
4NC54
4NC current
transformers for
measuring purposes
Window openings
For busbars
Number
1
1
2
1
2
1
2
3
Width × thickness mm 12 × 5
12 × 10
20 × 5
20 × 5
20 × 10
25 × 5
30 × 5
30 × 10
20 × 5
25 ×
25 × 5
30 × 5
30 × 10
40 × 5
40 × 10
50 × 5
50 × 10
25 × 5
30 × 5
40 × 5
40 × 10
50 × 5
50 × 10
60 × 5
60 × 10
40 × 5
40 × 10
50 × 5
50 × 10
60 × 5
60 × 10
40 × 5
50 × 5
60 × 5
For round conductors
max. mm
17,5 ∅
28 ∅
36 ∅
45 ∅