Eaton Power Xpert C445 - Table 26. Current Based Protections

Chapter 6—Motor Protection
118 Power Xpert C445 Global Motor Management Relay MN042003EN—January 2019 www.eaton.com
Current Based Protection Parameters
Table 26. Current Based Protections
Note
1
ABC wiring recommended.
Fault
Code
Default
Status
Fault Action Motor FLA Delay (Seconds)
Protection Action Units Note Min. Max. Default Min. Max. Default
19 Thermal Overload Fault Trip Enabled Amps C445MA2P4… 0.3 2.4 0.3 Class 5 Class 40 Class 5
C445MA005… 1 5 1 Class 5 Class 40 Class 5
C445MA032… 4 32 4 Class 5 Class 40 Class 5
C445MA045… 5.6 45 5.6 Class 5 Class 40 Class 5
C445MB072… 9 72 9 Class 5 Class 40 Class 5
C445MC090… 11 90 11 Class 5 Class 40 Class 5
C445MC136… 17 136 17 Class 5 Class 40 Class 5
C445...ext ext 800 ext Class 5 Class 40 Class 5
Fault Warning Disabled % 1 100 90 0 0 0
7 Instantaneous
Overcurrent
Fault Trip Disabled % FLA 50 400 400 0.001 2 2
Fault Warning Disabled % FLA 50 400 400 0.2 5 2
8 Jam Fault Trip Disabled % FLA 50 400 400 1 60 10
Fault Warning Disabled % FLA 50 400 400 0.2 5 2
20 Stall Fault Trip Disabled % FLA 50 400 200 0 0 0
14 Undercurrent Fault Trip Disabled % FLA 10 90 50 1 60 20
Fault Warning Disabled % FLA 10 90 50 0.2 5 2
6 Current Unbalance Fault Trip Enabled % 1 60 15 1 60 15
Fault Warning Disabled % 1 60 15 0.2 5 2
10 Phase Loss Fault Trip Enabled % 60 60 60 2 2 2
4 Ground Fault (earth)
(Debounce time is
in milliseconds)
Fault Trip Enabled Amps C445MA2P4… 0.12 2.4 1 0 60,000 5,000
C445MA005… 0.25 5 3 0 60,000 5,000
C445MA032… 1
1
9.6 3 0 60,000 5,000
C445MA045… 1
1
13.5 3 0 60,000 5,000
C445MB072… 3
1
21.6 3 0 60,000 5,000
C445MC090… 3 27 3 0 60,000 5,000
C445MC136… 34 40.8 34 0 60,000 5,000
C445...ext 30% of
CT
Primary
50% of
CT
Primary
50% of
CT
Primary
0 60,000 5,000