Chapter 6—Motor Protection
Power Xpert C445 Global Motor Management Relay
MN042003EN—January 2019
www.eaton.com
119
Voltage Based Protection Parameters
Table 27. Voltage Based Protections
Power Based Protection Parameters
Table 28. Power Based Protections
Fault
Code
Default
Status
Fault Action
Delay (Seconds)
Protection
Action
Units
Min.
Max.
Default
Min.
Max.
Units
21
Phase Rotation
Fault Trip
Disabled
ABC
ACB
ABC
0
0
0
11
Phase Loss
Fault Trip
Disabled
%
70
70
70
2
2
2
2
Overvoltage
Fault Trip
Disabled
%
90
150
110
1
60
20
Fault Warning
Disabled
%
90
150
110
0.2
5
2
1
Undervoltage
Fault Trip
Disabled
%
10
100
90
1
60
20
Fault Warning
Disabled
%
10
100
90
0.2
5
2
Voltage Loss Auto
Auto Restart
Disabled
Seconds
0.1
0.4
0.2
0
0
0
Voltage Loss Short
0.2
5.0
0.4
0.1
500.0
1.0
Voltage Loss Long
0
3600
4
1
3600
10
11
Voltage Unbalance
Fault Trip
Disabled
%
2
20
6
1
60
20
Fault Warning
Disabled
%
2
20
6
0.2
5
2
13
Hz Deviation (Slow)
Fault Trip
Disabled
0.01 Hz
10
500
10
1
60
20
Fault Warning
Disabled
0.01 Hz
10
500
10
0.2
5
2
12
Hz Deviation (Fast)
Fault Trip
Disabled
0.01 Hz
2
200
10
0.02
60
1
Fault Warning
Disabled
0.01 Hz
2
200
10
0.2
5
2
Fault
Code
Default
Status
Fault Action
Delay (Seconds)
Protection
Action
Units
Min.
Max.
Default
Min.
Max.
Units
16
Low Power
Fault Trip
Disabled
%
0
200
50
1
60
20
Fault Warning
Disabled
%
0
200
50
1
60
2
15
High Power
Fault Trip
Disabled
%
–200
200
110
1
60
20
Fault Warning
Disabled
%
–200
200
110
1
60
2
9
Power Factor Deviation
(High)
Fault Trip
Disabled
0.01%
–10000
10000
10000
1
60
20
Fault Warning
Disabled
0.01%
–10000
10000
10000
1
60
2
9
Power Factor Deviation
(Low)
Fault Trip
Disabled
0.01%
–10000
10000
0
1
60
20
Fault Warning
Disabled
0.01%
–10000
10000
0
1
60
2