ABB PSTX370 Service Manual page 34

5. Place new current transformer
Make sure that the ratio value of the new current
transformer correspond to previously installed
current transformer. Verify the ratio according to
Table 6 below.
Make sure cables of new current transformer gets
connected in accordance to previously made
markings.
1
Place the new current transformer into the unit
with cable side facing toward fans.
2
Mount the phase bar through the current
transformer and fasten phase bar with (1x)
Hexagon no. 8 M10x60 (12Nm). Sleeve and
3
washer are to be used.
3
Fasten phase bar additionally with (1x)
25 M5x18 (3Nm).
Table 6
Softstarter size
PSTX30...105
PSTX142...170
PSTX210...370
6. Place bypass contactor
1
Place the bypass contactor into the unit and
align it to screw mounting points.
2
Fasten bypass contactor with (4x)
M3x8 (0,5Nm).
3
Fasten bypass contactor additionally with (3x)
Torx 30 M6x25 (8Nm).
7. Connect flexible bars
1
Connect and fasten the flexible bars with (3x)
Torx 30 M6x25 (8Nm).
REASSEMBLE THE SOFTSTARTER
Place PCBA, cables and front cover
Place the PCBA, connect all cables and install the
front cover as described in chapter 3.4.1, step
6-10.
Connect main power cables and control
cables
Connect the main power cables and the control
cables as described in chapter 3.3.4, step 1-2.
Service PSTX210...370 | Service Manual |
34
5
Torx
Ratio Order code
105/0,025
175/0,025
370/0,2
6
Torx 25
7
1SFC13105M0201
2
Hex no. 8 (12Nm)
Type
1SFA899302R1105
1SFA899302R1175
1SFA899302R1370
2
3
1
1
Tx 25 (3Nm)
M10 x 60 M5 x 18
1
3
3.5.3_5
PSCT-400
PSCT-500
PSCT-600
Tx 25 (0,5Nm)
Tx 30 (8Nm)
M5 x 18 M6 x 25
3.5.3_6
Tx 30 (8Nm)
M6 x 25
3.5.3_7