Rockwell Automation 193-EC1_2_3_5, 193-ECPM,592-EC1_2_3_5 E3 and E3 Plus Solid-State Overload Relay User Manual User Manual
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Rockwell Automation Publication 193-UM002I-EN-P - December 2011
Chapter 3 Protective Trip & Warning Functions
Figure 30 - Time-Current Characteristics for Trip Classes 5, 10, 20, & 30
For trip class time-current characteristics other than 5, 10, 20, or 30, scale the
Class 10 trip time according to the following table:
Table 19 - Time-Current Characteristic Scaling Factors
Trip Class
Trip Class
10 Multiplier Trip Class
Trip Class
10 Multiplier Trip Class
Trip Class
10 Multiplier
5
0.5
14
1.4
23
2.3
6
0.6
15
1.5
24
2.4
7
0.7
16
1.6
25
2.5
8
0.8
17
1.7
26
2.6
9
0.9
18
1.8
27
2.7
10
1.0
19
1.9
28
2.8
11
1.1
20
2.0
29
2.9
12
1.2
21
2.1
30
3.0
13
1.3
22
2.2
1
10
100
1000
100%
1000%
Time (seconds)
Trip Class 5
Current (% FLA)
Trip Class 30
1
10
100
1000
10000
100%
1000%
Current (% FLA)
Time (seconds)
1
10
100
1000
10000
100%
1000%
Trip Class 20
Time (seconds)
Current (% FLA)
1
10
100
1000
100%
1000%
Time (seconds)
Trip Class 10
Current (% FLA)
Cold Trip
Hot Trip