Siemens UL 489 - Installing Arc Chutes

24 – 7
24.3.3 Installing arc chutes
Frame size I and II
Frame size II and class C and frame size III
(Frame size II, class C shown)
1 Insert arc chute, push cover back if necessary
2 Slide the cover into place
3 Check position of the 2 screens, class C only
4 Hook the cover carefully into place and fold it down
5 Insert the screw and tighten to the specified torque
5
1
2
8 Nm
71 lb-in
Size
4 mm
0
0
4
3
-
0
5
1
2
3
4
5
8 Nm
71 lb-in
Size
4 mm