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Section 12

11

Earth Loop Impedance Values for

Miniature Circuit Breakers

Type iC60H

Type B

Rating

0.4 Sec

5 Sec

1A

43.70

43.70

2A

21.85

21.85

4A

10.93

10.93

6A

7.22

7.22

10A

4.37

4.37

16A

2.74

2.74

20A

2.19

2.19

25A

1.75

1.75

32A

1.37

1.37

40A

1.09

1.09

50A

0.87

0.87

63A

0.69

0.69

Type iC120H

Type B

Rating

0.4 Sec

5 Sec

63A

0.69

0.69

80A

0.54

0.54

100A

0.44

0.44

125A

0.34

0.34

Type iC120H

Type C

Rating

0.4 Sec

5 Sec

63A

0.37

0.45

80A

0.29

0.35

100A

0.23

0.28

125A

0.18

0.23

Type iC120H

Type D

Rating

0.4 Sec

5 Sec

63A

0.247

0.4275

80A

0.1995

0.3325

100A

0.152

0.266

125A

0.1235

0.2185

Type iC60H

Type C

Rating

0.4 Sec

5 Sec

1A

21.85

28.02

2A

10.93

13.66

4A

5.46

7.05

6A

3.69

4.65

10A

2.19

2.80

16A

1.37

1.75

20A

1.09

1.40

25A

0.87

1.12

32A

0.68

0.87

40A

0.55

0.70

50A

0.44

0.56

63A

0.35

0.45

Type iC60H

Type D

Rating

0.4 Sec

5 Sec

1A

15.61

28.02

2A

7.80

13.66

4A

3.90

7.05

6A

2.60

4.65

10A

1.56

2.80

16A

0.98

1.75

20A

0.78

1.40

25A

0.63

1.12

32A

0.48

0.87

40A

0.39

0.70

50A

0.31

0.56

63A

0.25

0.45

Type NSX