40 Low Voltage Products & Systems
AC 1006.9 - 5/03 ABB Inc. • 888-385-1221 • www.abb-control.com
Chapter 5 - Connection
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.
For torque requirements and cable sizes, see Figure 5.
PST30...
PSTB1050
1SFC132046F0001
PST30...
PSTB1050
1SFC132047F0001
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
K
6
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
C
A
U
TIO
N
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
L
IS
T
E
D
7F
39
IN
D
. C
O
N
T
. E
Q
.
1SFA 894 007 R1002
IEC 947-4-2
Ie
: 3
7
-
7
2
A
U
s
: 1
0
0
-
2
5
0
V
A
C
/D
C
U
L 508
U
c
: 1
0
0
-
2
5
0
V
A
C
/D
C
F
L
A
: 3
7
-6
8
A
M
a
d
e
in
S
w
e
d
e
n
U
e
: 2
2
0
-2
3
0
3
8
0
-
4
0
0
5
0
0
V
72: AC-53a: 8-1.6: 80-6
In
lin
e
1
8
,5
3
7
4
5
k
W
U
e
2
0
8
2
2
0
-2
4
0
4
4
0
-4
8
0
V
In
lin
e
2
0
2
0
5
0
H
p
CAUTIO
N
F
u
s
e
2
5
0
A
T
Y
P
O
W
E
R
Z
IL
O
X
M
a
x
s
h
o
r
t c
ir
c
u
it c
u
r
re
n
t 6
5
k
A
a
t 4
8
0
V
W
ire
1
-8
A
l C
u
7
5
C
o
n
ly
, 3
5
lb
-in
O
v
e
rlo
a
d
C
a
p
a
c
ity
1
1
5
%
o
f C
o
n
tin
u
o
u
s
PTC
Key-Pad
FIELDBUS
2T1
4T2
6T3
1SFC132048F0001
Figure 1: In Line Connection
Figure 2: Inside Delta connection
Figure 3: Connection of line side and motor side
Line side
Motor side
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