Siemens SENTRON 3WL Reference Manual page 36

3WL Air Circuit Breakers
3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
Project planning aids
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Dimensional drawings
Voltage transformer for SENTRON 3WL
277
NSE0_01103a
For mounting on
35 mm standard
mounting rail
Current transformers for overload protection in the
N conductor
External current transformers for N conductor with copper
connection pieces
Size I, 3WL9 111-0AA31-0AA0
1 5
Ø 1 3 , 5
5 5
8 3
Size II, 3WL9 111-0AA32-0AA0
3 0 3 0
Ø 1 3 , 5
9 0
1 1 3
Size III, 3WL9 111-0AA33-0AA0
3 0 3 0 3 0
Ø 1 3 , 5
1 6 0
1 8 4
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Dimensions for option with door interlocking
1) Mounting surface
2) Center SENTRON 3WL operator panel
3) 8 mounting holes for door sealing frame
4) 3 mounting holes for door interlocking
36 Siemens · 2009
99
4 1
9 7
3 × 1 0
5 0 , 5
1 3 1
3 × 1 0 5 2
1 2 3
External current transformers for N conductor without copper
connection pieces
Size I, 3WL9 111-0AA21-0AA0
6 0
1 6
8
R 1 3 , 1
R 2 2
1 8
3 6
7 0
8 3
Size II, 3WL9 111-0AA22-0AA0
R 2 7
8 8
9 5
1 1 3 3
Size III, 3WL9 111-0AA23-0AA0
1 6 1
R 1 5
1 6 0
1 8 4
Door cut-out for operator panel
Door cut-out with edge protector
2 9 5
Inner dimensions with mounted
edge protector
N S E 0 _ 0 0 1 6 4 c
Door cut-out for operator panel using the door sealing frame
Option with/without door interlocking
3 1 4
3 0 0
1 2 0 4 0
Ø 5 , 5
N S E 0 _ 0 0 6 1 0 c
R 5 R 5
2 )
Ø 5 , 5
4 0 1 2 0
Ø 5 , 5
1 2
1 ) 4 )
2 1
4 0
5 1
5 1
5 1
3 )