Minimum Enclosure Sizes - ABB PST Installation And Maintenance Manual

Low Voltage Products & Systems
ABB Inc. • 888-385-1221 • www.abb-control.com
Chapter 4 - Mounting
4:2.4

Minimum enclosure sizes

In applications where the softstarter is installed in an enclosure, the
following minimum enclosure sizes and fan capacities are recom-
mended.
Softstarter type
PST30...72
PST85...142
PST175...300
PSTB370...470
PSTB570...1050
Dimensions and drilling plan
See Chapter 3 "Description."
Minimum enclosure dimensions
W H
mm in mm in
300 12 400 16
400 16 500 20
500 20 600 24
600 24 600 24
750 30 900 36
Fan capacity
D
3
mm in
m /h
250 10 42
300 12 95
300 12 210
400 16 210
400 16 210
3
ft /min
25.00
60.00
125.00
125.00
125.00
35
AC 1006.9 - 5/03