ABB PST72 Installation And Commissioning Manual

Functions
Chapter 10
140
1SFC132003M0201
10:17 Overload protection type
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Overload
This parameter makes it possible to set the required function
of the integrated motor overload protection. Too high motor
temperature causes a stop of the motor and a reset is
necessary before a restart is possible.
The motor overload protection has three different modes:
The motor temperature with time marking is stored for two
hours after power loss.
10:18 Overload protection class
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Overload/OL Class
This parameter makes it possible to set the required class of
the motor overload protection. Four different classes are
available according to figure 13.
•Class 10A
•Class 10
•Class 20
•Class 30
No
The protection is not activated.
Normal
The protection is in normal operation.
Dual
The protection has two classes, one during
start and another during continuous run.
Parameter
text
Default value Setting range Description
Overload Normal No, Normal, Dual Overload protec-
tion
1
10
100
1000
1
23456
A
B
C
D
1SFC132102F0001
Time (s)
Figure 13: Tripping curves for the
electronic overload
A Class 30
B Class 20
C Class 10
D Class 10A
Current (x I
e
)
Parameter
text
Default value Setting range Description
OL Class 10 10A, 10, 20, 30 Overload class

ABB PST72 Specifications

General

Brand	ABB
Model	PST72
Category	Controller
Language	English