ABB PSTX1250 Series Quick Start Manual page 4

1. PSTX470...570
- Replace the SCR's
13
2
1
16
2. PSTX720...840
- Replace the SCR's
WARNING
Always make sure that the power supply is
switched off before doing maintenance on the
Softstarter.
1
1
Tx 15
M3,5x12
2
3
4
1
4 | Spare part instruction - Replace the SCR's |
14
Tx 30
M6x16
M6x25
(8Nm)
2
17
2
Tx 20
M4x12
4
5
Tx 20
M4x8
2
2
1SFC132102M0201
3
1
WARNING
When performing maintenance on the Softstarter,
an antistatic strap must be used. The antistatic
strap should be worn on the wrist, and be
connected to an electrical ground, to prevent
electrostatic discharge (ESD) damage to the
Softstarter.
1
3
15
2
18
2
Tx 20
M4x12
(0,5 Nm)
1
3
6
Tx 20
M4x8
(2,9Nm)
1
Tx 15
M3,5x12
(1,6Nm)
3
Hexagon n.16
M10