Siemens NXAIR Installation Instructions Manual page 76

Assembling the panels
Contact blade and the edges of the notch in the switch-fuse combination
Measure the distance from the main contact blade (1) to the edges of the notch (2) in the conductor
bar terminal, use the thickness gauge for it. If required adjust this distance to min 0.1 mm
Fig. 91: Minimum distance between the main contact blade (closed position)
and the edges of the notch
76
1
2
≤
NXAIR / 40 kA 110-0084.9 / 15