ABB PST Series - 5:2 Electrical connection; 5:2.1 Main circuit

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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 5.
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1L1
3L2
5L3
1
100-250V
Stop
Start
In0
In1
Vc
50/60 Hz
2
3
4
5
6
7
8
9
10
Vp
Vp
11
K4
12
13
14
Vn
15
16
K5
17
18
19
K6
20
LISTED 7F39
IND. CONT. EQ
.
1SFA 894 007 R1002
IEC 947-4-2
Ie: 37-72A
Us: 100-250V AC/DC
UL 508
Uc: 100-250V AC/DC
FLA: 37-68A
Made in Sweden
Ue: 220-230 380-400 500 V
72: AC-53a: 8-1.6: 80-6
In line 18,5 37 45

kW
Ue 208 220-240 440-480 V
PTC
Key-Pad
FELDBUSS
CAUTION
Fuse 250A TYPOWER ZILOX
Max short circuit current 65kA at 480V
Wire 1-8 Al Cu 75C only, 35lb-in
Overload Capacity 115% of Continuous
LISTED 7F39
IND. CONT. EQ
.
1SFA 894 007 R1002
IEC 947-4-2
Ie: 37-72A
Us: 100-250V AC/DC
UL 508
Uc: 100-250V AC/DC
FLA: 37-68A
Made in Sweden
Ue: 220-230 380-400 500 V
72: AC-53a: 8-1.6: 80-6
In line 18,5 37 45

kW
Ue 208 220-240 440-480 V
In line 20 20 50 Hp
CAUTION
Fuse 250A TYPOWER ZILOX
Max short circuit current 65kA at 480V
Wire 1-8 Al Cu 75C only, 35lb-in
Overload Capacity 115% of Continuous
PTC
Key-Pad
FIELDBUS
2T1
4T2
6T3
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Motor side
Line side