Softstarters Type PSE18...PSE370 Installation and commissioning manual 1SFC132057M0201 33 Chapter 5
1SFC132265F0001
PSE
1SFC132263F0001
PSE
Figure 5.2: ABB PSE Softstarter must be con-
nected In Line only.
Since Softstarters PSE18 … PSE370 has control in two phases, the connection
must be done In Line only, in accordance with the circuit diagrams in gure 5.2
and in Chapter 11.
Caution!
Softstarters PSE18...PSE370 must not be connected Inside Delta since this
will cause damage to the equipment and there is a risk of death or serious
injury. Figure 5.2.
5.2.2 Before connecting softstarters PSE18...PSE170
Warning!
Before connecting the Softstarters PSE size 18...PSE170 to operational sup-
ply voltage for the rst time, the control supply voltage must be turned on to
ensure that the by-pass relays are in the open position. This is necessary to
avoid unintentional starting of the equipment during the connection.
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