Softstarters Type PSTX30...PSTX1250 User Manual short form 1SFC132082M9901 7
EN
4 Connection
This product is carefully manufactured and tested but there is a risk
that damage can occur from such as shipment and incorrect operation.
Obey to the procedure below during initial installation:
Hazardous voltage: Will cause death or serious injury. Turn off and lock
out all power that supply this device before you start work on the
equipment.
Mounting and electrical connection of the softstarter must be made by
authorized personnel and in accordance with existing laws and
regulations.
Apply the control supply voltage to make sure that the by-pass relays
are in open position before you connect the softstarters PSTX30...
PSTX170 to operational voltage for the first time. If not, the equipment
can start accidentally.
ABB personnel must obey to the ABB CISE 15.4 instructions.
1. To mount the softstarter, refer to Chapter 3 “Mounting”.
2. Connect the main circuit: terminals 1L1 - 3L2 - 5L3 to the line side and
terminals 2T1 - 4T2 - 6T3 to the motor side. Use wire connection for
PSTX30...105, see Figure
1
in graphics 7, and terminal connection for
PSTX142...1250, see Figure
2
, in graphics 7.
PSTX softstarters can be connected both “In Line” and “Inside
Delta” see figure 1.
Use only wires of same dimension when you connect 2 wires on each
terminal. (PSTX30...105 only).
Figure 1: In Line, Inside Delta
PSTX
PSTX
1SFC132082M9901
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1