ABB PSR Manual page 39

PST(B) – The advanced range
Overview
Softstarter. Type
Normal start
PST175
In-Line connected
(400 V) kW 90
IEC, Max. A 175
(440-480 V) hp 125
156
UL, Max FLA
400 V, 40 ºC
MCCB (50kA), type
Using MCCB only, type 1
coordination will be achieved.
Fuse protection (65kA), Semiconductor fuses, Bussmann, type
To achieve a type 2 coordina-
tion, semi-conductor fuses
170M5810 170M5812 170M5813 170M6813
must be used.
Switch fuse, type
Suitable switch fuse for re-
commended semi-conductor
fuses.
Line contactor, type
The line contactor is not
required for the softstarter
itself but often used to
open if OL trips
Electronic overload relay, type
Overload protection is used
to protect the motor from
over heating
By-pass contactor, type
The by-pass contactor will
reduce the power loss of the
softstarter. All softstarters
can be operated without
by-pass
1) Switch fuse not available. Use Bussmann fuse base 170H3004
2) PSTB1050-690-70 has 170M6019
How to select correct size
By using the guide here, you can quickly
select a suitable softstarter for the most
common applications.
If a more precise selection is required,
you can use the softstarter selection tool
available at www.abb.com/lowvoltage
PST175 ... PST300
PST210 PST250
110 132
210 250
150 200
192 248
T4S250 T5S400
OS400D03P
A185 A210 A260
A145
Normal start Class 10
Ordering - see page 40 - 41
• Bow thruster
• Compressor
• Elevator
!
PSTB370 ... PSTB470
PST300 PSTB370 PSTB470
160 200 250
300 370 470
250 300 400
302 361 480
T5S630
170M5813
OS630D03P OS400D03P
A300 AF400
Built-in
A210
Quick guide for selection
Heavy duty start class 30
Ordering - see page 42 - 43
Typical applications
• Centrifugal pump • Centrifugal fan
• Conveyor belt (short) • Crusher
• Escalator • Mixer
If more than 10 starts/h
Select one size larger than the standard selection
PSTB570 ... PSTB1050
PSTB570 PSTB720
315 400
570 720
500 600
590 720
T6S630 T6S800
170M6813 170M8554
OS630D03P OS800D03P
AF580 AF750
Built-in
• Conveyor belt (long)
• Mill
• Stirrer
1SFC132005C0201, rev.F | Softstarters 39
PSTB840 PSTB1050
450 560
840 1050
700 900
840 1062
T7S1250 T7S1600
170M6018 170M6020
2)
1)
AF1350 AF1650