Softstarters Type PSE18...PSE370 Installation and commissioning manual 1SFC132057M0201 35 Chapter 5
5.2.4 Control supply and control circuit
Wires in industrial control applications are divided into three groups: main power
supply, control supply and control.
5.2.4.1 Control supply voltage, terminals 1 and 2
Connect neutral and live to terminal 1 and 2, as shown in gures 5.6 and 5.7.
Check that you have the correct control supply voltage U
s
.
N
L
12 34567
8910 11
12 13 14
0,2 .. 4 mm
2
, AWG 24 ... 10
2x0,2 .. 1,5 mm
2
, 2 x AWG 24 ... 16
0,2 .. 4 mm
2
, AWG 24 ... 10
2x0,2 .. 1,5 mm
2
, 2 x AWG 24 ... 16
0,5 Nm - 4,3 lb.in
4 x 0,8 mm
(0.157 x 0.031 in)
M3
Figure 5.6: Terminals for control supply voltage
Figure 5.7: Tightening torques and wire area