ABB PSR User Manual

16 Softstarters | 1SFC132005C0201, rev.F
PSS18/30...PSS44/76 PSS50/85...PSS72/124
Softstarter. Type
Normal start
In-line connected
PSS18/30 PSS30/52 PSS37/64 PSS44/76 PSS50/85 PSS60/105 PSS72/124
(400 V) kW 7.5 15 18.5 22 25 30 37
IEC, Max. A 18 30 37 44 50 60 72
(440-480 V) hp 10 20 25 30 30 40 50
UL, Max FLA 18 28 34 40 47 56 67
400 V, 40º C
Using MCCB type 1
coordination will be
achieved
MCCB (50kA), type
T2S160
To achieve type 2 coordina-
tion semi-conductor fuses
must be used
Fuse protection (65kA), Semi-conductor fuses, Bussmann, type
170M1564 170M1566 170M1568 170M1569 170M1570 170M1571
Suitable switch fuse for
the recommended semi-
conductor fuses
Switch fuse, type
OS32GD03P OS63GD03P OS125GD03P
Overload protection is used
to protect the motor from
over heating
Thermal overload relay, type
TF42DU TA75DU
The line contactor is not
required for the softstarter
itself but often used to
open if OL trips
Line contactor, type
AF16 AF30 AF38 A50 A63 A75
The by-pass contactor will
reduce the power loss of
the softstarter. All softstar-
ters can be operated
without by-pass
By-pass contactor, type
AF9 AF16 AF26 AF30 A40 A50
Must be used if current limit
function is required
Current transformers, type
PSCT-30
1 turn
PSCT-40
1 turn
PSCT-50
1 turn
PSCT-60
1 turn
PSCT-75
1 turn
PSCT-100
1 turn
PSS – The flexible range
Overview
A50 ... A300 might be replaced by AF50 ... AF300
The table above is an overview of possible combinations of devices.
Complete coordination tables are available at www.abb.com/lowvoltage

ABB PSR Specifications

General

Brand	ABB
Model	PSR
Category	Controller
Language	English