C and D Trip
Less than 10A
120
60
40
20
Minutes
C and D Trip
10A and higher
7200
3600
2400
1200
Minutes
10
8
6
4
2
1
40
20
10
5
600
480
360
240
120
60
40
20
10
5
Tripping time t
Tripping time t
1
0.5
1
0.5
Seconds
Seconds
0.05
0.01
1
1.05 1.3
2
3
4
C
Multiple of Rated Current
D
0.05
0.01
1
1.05 1.3
2
3
4
C
Multiple of Rated Current
D
5 6 7 8 9 10 12 14 16 20
5 6 7 8 9 10 12 14 16 20
Temperature and Power Loss Specifications
Rated
current
In (A)
0.2
0.5
1
2
3
4
5
6
7
8
10
12
13
14
15
16
20
25
30
32
35
40
50
60
rated current allowing for ambient temperature
I cor (A)
-20
0.24
0.61
1.21
2.42
3.63
4.84
6.1
7.3
8.5
9.7
12.1
14.5
15.7
16.9
18.2
19.4
24.2
30.3
36.3
38.7
42.3
48.4
60.5
72.6
-10
0.24
0.59
1.18
2.36
3.54
4.72
5.9
7.1
8.2
9.4
11.8
14.2
15.3
16.5
17.7
18.9
23.6
29.5
35.4
37.8
41.3
47.2
59.0
70.9
0
0.23
0.57
1.14
2.28
3.42
4.56
5.7
6.8
8.0
9.1
11.4
13.7
14.8
16.0
17.1
18.2
22.8
28.5
34.2
36.5
39.9
45.6
57.0
68.4
10
0.22
0.55
1.1
2.2
3.3
4.4
5.5
6.6
7.7
8.8
11.0
13.2
14.3
15.4
16.5
17.6
22.0
27.5
33.0
35.2
38.5
44.0
55.0
66.0
20
0.21
0.53
1.05
2.1
3.15
4.2
5.3
6.3
7.4
8.4
10.5
12.6
13.7
14.7
15.8
16.8
21.0
26.3
31.5
33.6
36.8
42.0
52.5
63.0
30
0.2
0.5
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
10.0
12.0
13.0
14.0
15.0
16.0
20.0
25.0
30.0
32.0
35.0
40.0
50.0
60.0
40
0.19
0.47
0.93
1.86
2.79
3.72
4.7
5.6
6.5
7.4
9.3
11.2
12.1
13.0
14.0
14.9
18.6
23.3
27.9
29.8
32.6
37.2
46.5
55.9
50
0.18
0.44
0.88
1.76
2.64
3.52
4.4
5.3
6.2
7.0
8.8
10.6
11.5
12.3
13.2
14.1
17.6
22.0
26.5
28.2
30.8
35.2
44.1
52.9
60
0.17
0.42
0.83
1.67
2.5
3.33
4.2
5.0
5.8
6.7
8.3
10.0
10.8
11.7
12.5
13.3
16.7
20.8
25.0
26.7
29.2
33.3
41.7
50.1
Internal
impedance
Z (m
Ω)
char. B, C, D, K
45100.0
8000.0
2000.0
490.0
230.0
150.0
95.0
69.0
52.0
35.0
23.5
18.7
14.3
12.4
10.1
7.5
6.3
4.6
3.6
3.6
3.6
3.0
2.4
1.8
Power Loss
B, C, D, K
P (W)
1.80
2.00
2.00
1.96
2.07
2.40
2.38
2.48
2.55
2.24
2.35
2.69
2.42
2.43
2.27
1.92
2.52
2.88
3.24
3.69
4.41
4.80
6.00
6.48
Altech Corp.
®
• 35 Royal Road • Flemington, NJ 08822-6000 • P 908.806-9400 • F 908.806.9490 • www.altechcorp.com
25
ANNEX
Earth Leakage
Circuit Breakers
UL 1077
Equipment Breakers
UL 1077
0.1
0.1
UL 508
UL 489
L-Series Trip Curves
ALTECH [ ALTECH CORPORATION ]
