Siemens SENTRON 3WA1 - Page 480

Technical specifications
6.2 Dimension drawings
3WA1 air circuit breaker
478 Equipment Manual, 02/2023, 92310000002-06
Withdrawable circuit breakers
(1)
Horizontal clearance
(2)
Depth clearance
(3)
Vertical clearance
Breaking
capacity
Rated
voltage
U
e
/ Max.
U
e
[V]
Vertical clearance (3)
Horizontal clearance (1)
Depth
clearance (2)
Closed panels Struts /
grids /
perforated
sheets
With arc
chute
cover
With arc chute
cover; against
closed panels
S, M, H
500 / 525
515
460
461
0
70
0
690 / 725
515
460
461
0
70
0
C
500 / 525
615
615
--
1)
0
--
1)
0
E
690 / 725
560
560
0
0
1000 / 1050
615
615
0
0
1000 / 1150
615
615
0
0
IT system only
S, M, H
500 / 525
550
550
--
1)
0
--
1)
0
C
690 / 725
615
615
0
0
E
690 / 725
615
615
0
0
1)
Arc chute cover not permissible