Siemens SENTRON 3WL10 Series Manual page 189

Drilling pattern for wall mounting and cutout for rear terminals for main circuit connection version
(horizontal/vertical)
①
A
W
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01
Cutouts (top and bottom) only required with rear connections
3-pole: 192.5 mm
4-pole 262.5 mm
3-pole: 70 mm
4-pole: 140 mm
Dimension drawings
9.1 Fixed breaker
187