General; Electrical Connection; Main Circuit - ABB PST30 Installation And Commissioning Manual

PST30...
PSTB1050
Figure 1: In Line connection
1SFC132003M0201
Chapter 5 Connection
This chapter describes the electrical connections as well as
connections for communication devices that have to be made
before you can use the softstarter.
5:1

General

Caution!
All wiring and connection must be carried out by a
qualified electrician, and in accordance with installation
standards and safety regulations.
For quickly minimized connection, see Chapter 2 "Quickstart"
5:2

Electrical connection

5:2.1 Main circuit

Softstarters PST30...PSTB1050 can be connected both "In
Line", see Figure 1, and "Inside Delta", see Figure 2.
Figure 2: Inside Delta connection
Connect the line side to terminals 1L1, 3L2, 5L3.
Connect the motor to terminals 2T1, 4T2, 6T3 on the motor
side.
The terminal marking is printed on the front label.
Tightening torques and cable thickness, see Figure 6.
PST30...
PSTB1050
Chapter 5
Connection
43