
1-10 Product Overview
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Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10
Class 15
Class 20
Class 30
Multiplesof FLC
Multiples of FLC
Multiplesof FLC
Multiplesof FLC
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
1.0
10.0
100.0
1000.0
10000.0
11023 987654
0.1
1.0
10.0
100.0
1000.0
11023 987654
1.0
10.0
100.0
1000.0
10000.0
11023 987654
1.0
10.0
100.0
1000.0
10000.0
11023 987654
Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10
Class 15
Class 20
Class 30
Multiplesof FLC
Multiples of FLC
Multiplesof FLC
Multiplesof FLC
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
1.0
10.0
100.0
1000.0
10000.0
11023 987654
0.1
1.0
10.0
100.0
1000.0
11023 987654
1.0
10.0
100.0
1000.0
10000.0
11023 987654
1.0
10.0
100.0
1000.0
10000.0
11023 987654
Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10
Class 15
Class 20
Class 30
Multiplesof FLC
Multiples of FLC
Multiplesof FLC
Multiplesof FLC
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
Approximate Trip Time (seconds)
1.0
10.0
100.0
1000.0
10000.0
11023 987654
0.1
1.0
10.0
100.0
1000.0
11023 987654
1.0
10.0
100.0
1000.0
10000.0
11023 987654
1.0
10.0
100.0
1000.0
10000.0
11023 987654
Figure 1.9 – Overload Trip Curves
100000
1000
100
10
1
0
100% 1000%
Percent Full Load Current Setting
Auto Reset Times:
Class 10 = 90 s
Class 15 = 135 s
Class 20 = 180 s
Class 30 = 270 s
Class 10
Class 15
Class 20
Class 30
Seconda
100000
1000
100
10
1
0
100% 1000%
Percent Full Load Current Setting
Auto Reset Times:
Class 10 = 90 s
Class 15 = 135 s
Class 20 = 180 s
Class 30 = 270 s
Class 10
Class 15
Class 20
Class 30
Class 10
Class 15
Class 20
Class 30
Seconda
Figure 1.10 – Restart Trip Curves after Auto Reset
Protection and Diagnostics
(cont.)
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