Softstarters Type PSE18...PSE370 Installation and commissioning manual 1SFC132057M0201
36 Chapter 5
5.2.4.2
Functional earth, terminal 14
Connect the cable to an earthing point close to the softstarter. The cable should
be as short as possible. A suitable earthing point would be next to the softstarter
on the
mounting plate, as shown in figures 5.8 and 5.9. The mounting plate
should also be earthed.
This is not a protective earth, it is a functional earth. The earthing cable should be
as short as possible. Maximum length 0.5 m.
1
2
8
3
4
5
6
7
9
10
11 12
13
14
1 2
3 4 5 6 7
8 9 10 11 12 13
14
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm
2
0,2 .. 2,5 mm
2
2x0,2 .. 1,5 mm
2
AWG 24 ... 12
0,5 Nm - 4,3 lb.in
3,5 x 0,6 mm
(0.138 x 0.24 in)
M3
Figure 5.9: Tightening torques and wire area
Figure 5.8: Terminal for functional earth