WMZS3D20 EATON CUTLER HAMMER, WMZS3D20 Datasheet - Page 15

• Manufacturer Part Number: WMZS3D20
• Description: CIRCUIT BREAKER, THERMAL MAG, 3P, 20A
• Manufacturer: EATON CUTLER HAMMER

Specifications of WMZS3D20

• No. Of Poles: 3
• Current Rating: 20A
• Voltage Rating Vdc: 125V
• Voltage Rating Vac: 277V
• Mounting Type: DIN Rail
• Tripping Characteristic: D
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Influence of the Ambient Temperature on the Thermal Tripping Behavior
Corrected values of the rated current dependent on the ambient temperature
Influence of the Mains Frequency
Influence of the mains frequency on the tripping behavior I
of the instantaneous release
Load Carrying Capacity of Adjoining Miniature Circuit Breakers
I
10
12
13
15
16
20
25
32
40
50
63
MA
0.16
0.25
0.5
0.75
1
1.5
1.6
2
2.5
3
3.5
4
5
6
7
8
I
(f)I
n
(A)
MA
(50 Hz) [%]
1.00
0.90
0.80
0.70
-25°C
12
15
16
18
20
24
31
39
49
61
77
0.20
0.31
0.61
0.92
1.2
1.8
2.0
2.4
3.1
3.7
4.3
4.9
6.1
7.3
8.6
9.8
1
Ambient Temperature T
Mains Frequency f [Hz]
16 2/3
91
2
-20°C
12
14
16
18
19
24
30
38
48
60
76
0.19
0.30
0.60
0.90
1.2
1.8
1.9
2.4
3.0
3.6
4.2
4.8
6.0
7.2
8.4
9.6
Number of circuit breakers
50
100
3
-10°C
12
14
15
17
19
23
29
37
47
58
73
0.19
0.29
0.58
0.87
1.2
1.7
1.9
2.3
2.9
3.5
4.1
4.7
5.8
7.0
8.1
9.3
60
101
4
100
106
5
11
13
15
17
18
22
28
36
45
56
71
0°C
0.18
0.28
0.56
0.84
1.1
1.7
1.8
2.2
2.8
3.4
3.9
4.5
5.6
6.7
7.9
9.0
UL 1077 DIN Rail Supplementary Protectors
200
115
6
10°C
11
13
14
16
17
22
27
35
43
54
68
1.1
1.6
1.7
2.2
2.7
3.3
3.8
4.3
5.4
6.5
7.6
8.7
0.17
0.27
0.54
0.81
300
134
7
MA
20°C
10
13
14
16
17
21
26
33
42
52
66
0.17
0.26
0.52
0.78
1.0
1.6
1.7
2.1
2.6
3.1
3.7
4.2
5.2
6.3
7.4
8.4
400
141
8
10
12
13
15
16
20
25
32
40
50
63
30°C
0.16
0.25
0.50
0.75
1.0
1.5
1.6
2.0
2.5
3.0
3.5
4.0
5.0
6.0
7
8.0
eaton corporation UL 1077 DIN Rail Supplementary Protectors
35°C
12
13
15
16
20
25
32
39
49
62
4.9
5.9
6.9
7.9
9.9
0.16
0.25
0.49
0.74
0.99
1.5
1.6
2.0
2.5
3.0
3.4
3.9
40°C
12
13
15
15
19
24
31
39
48
61
0.15
0.24
0.48
0.73
0.97
1.5
1.5
1.9
2.4
2.9
3.4
3.9
4.8
5.8
6.8
7.7
9.7
38
47
60
45°C
11
12
14
15
19
24
30
0.15
0.24
0.47
0.71
0.95
1.4
1.5
1.9
2.4
2.8
3.3
3.8
4.7
5.7
6.7
7.6
9.5
WMZS Circuit Breakers
11
12
14
15
19
23
30
37
46
58
50°C
0.15
0.23
0.46
0.69
0.93
1.4
1.5
1.9
2.3
2.8
3.2
3.7
4.6
5.6
6.6
7.4
9.3
TECHNICAL DATA
55°C
11
12
14
14
18
23
29
36
45
57
0.14
0.23
0.45
0.68
0.90
1.4
1.4
1.8
2.3
2.7
3.2
3.6
4.5
5.4
6.4
7.2
9.0
60°C
11
12
13
14
18
22
28
35
44
56
0.14
0.22
0.44
0.66
0.89
1.3
1.4
1.8
2.2
2.7
3.1
3.5
4.4
5.3
6.3
7.1
8.9
13