Siemens SENTRON 3WA1 Manual page 474

Technical specifications
6.2 Dimension drawings
Vertical connection
The broken blue contour on the side corresponds to the 4-pole version.
All dimensions in [mm].
≤ 5000 A AC
(1) Grooves (4 mm wide, 5 mm deep) for supporting phase barriers in the system
(5) Mounting holes
g Connection dimension
472
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
∅ 9 mm
38 mm