Siemens SENTRON 3WA1 - Page 449

Technical specifications
6.2 Dimension drawings
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
447
Horizontal connection
The broken blue contour on the side corresponds to the 4-pole version.
All dimensions in [mm].
(1)
Grooves (4 mm wide, 5 mm deep) for supporting phase barriers in the system
(4)
Dimension to inside surface of the closed control cabinet door
106 mm
(5)
Fixing points for mounting the circuit breaker in the system (grid size in mm) 4 x M8 screw
nut (150) and 4 x ∅ 9 (110)
(6)
Space for cable harness to electrical auxiliary circuit connections
20 mm
(7)
"Safe Open" locking provision
38.5 mm
(8)
Key operation
63.6 mm
(15)
Maximum device height
460.5 mm
(16)
Top edge of arc chutes
For S, M,
H, D
For C, E
401 mm
451 mm
(17)
Mounting space for removal of the arc chutes
For S, M,
H, D
For C, E
541 mm
591 mm
a
Busbar thickness
For S, M,
H, D, E
≤ 2000 A AC/DC
≤ 2500 A AC
≤ 3200 A AC /
4000 A DC
10 mm
15 mm
30 mm
For C
≤ 3200 A AC
30 mm