Siemens SENTRON 3WA1 - Page 438

Technical specifications
6.2 Dimension drawings
3WA1 air circuit breaker
436 Equipment Manual, 02/2023, 92310000002-06
Vertical connection
The broken blue contour on the side corresponds to the 4-pole version.
All dimensions in [mm].
≤ 2000 A AC
(1)
Grooves (4 mm wide, 5 mm deep) for supporting phase barriers in the system
(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)
b
Busbar thickness
For N, S
≤ 1000 A AC
≤ 2000 A AC
10 mm
20 mm
For M, E
≤ 2000 A AC
20 mm
h
Terminal face length
For N, S, M, E
≤ 1000 A AC
≤ 2000 A AC
35 mm
35 mm