Installation Manual

Table Of Contents
Connection
Chapter 5
43
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.
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
1SFC132047F0001
PST30...
PSTB1050
1SFC132046F0001
F
igure 1: In Line connection Figure 2: Inside Delta connection