Cutler Hammer, Div of Eaton Corp Miniature Circuit Breakers, Supplementary Protectors Technical Specifications
✓
✓
✓
–
–
–
–
–
–
–
–
–
–
✓
Cutle r-Hammer
Supersedes TD.19A.20.T.E.
Pages 1-4 dated October 1999.
Effective: May 2000 Page 1
Miniature
Circuit Breakers
and Supplementary
Protectors
Table 1 – Range Overview
Technical Data
Breaker IEC 898
WME BC 3,000
WMF B
WMM B
WMN B
WMS B
WMH C – – 10,000 7,500 6,000 6,000 Yes Yes Yes No 1 to 50 14 to 1 3.8 33.64
240/415 V~ I
C
C
D
C
D
C
D
3,000
–
–
6,000
6,000
–
10,000
10,000
–
10,000
10,000
10,000
IEC 947-2 — Ac IEC 947-2 — Dc Connection Type Cable Size Tightening Torque
cn
127/240 V~
I
cu
–
–
15,000
15,000
10,000
10,000
–
–
–
–
10,000
10,000
10,000
240/415 V~
I
cu
6,000
6,000
10,000
10,000
6,000
6,000
6,000
15,000
15,000
10,000
10,000
10,000
10,000
240/415 V~
I
cs
6,000
6,000
7,500
7,500
6,000
6,000
5,000
7,500
7,500
5,000
7,500
7,500
7,500
…
60 V
I
cu
15,000
15,000
15,000
15,000
15,000
15,000
15,000
20,000
20,000
20,000
20,000
20,000
20,000
125 V
I
cu
15,000
15,000
15,000
15,000
15,000
15,000
15,000
25,000
25,000
25,000
25,000
25,000
25,000
…
Cable Pin Fork Ring
Yes Yes No No 1 to 25 14 to 6 2.8 24.8
Yes Yes No No 1 to 25 14 to 6 2.8 24.8
Yes Yes Yes No 1 to 25 14 to 6 2.8 24.8
Yes Yes Yes No 1 to 25 14 to 6 2.8 24.8
Yes Yes Yes Yes 1 to 25 14 to 6 2.8 24.8
Tung
mm
2
AWG Nm lb. in.
Table 2
Model Curve
Type
WME B
WMF B
WMM B
WMN B
WMS B
WMH C
TD.19A.20A.T.E
# Poles Continuous Rating of Device
1P 2P 3P 4P 0.51234567810131516202530324050606380100
✓✓✓✓✓
C
✓✓✓✓✓
C
✓
✓
✓
C
D
C
D
C
D
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓✓✓✓ – –––––––––––––––––––– ✓✓
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–––––––––––
–
–
–––––––––––
–
✓
–
✓
–
✓
✓
✓
✓
✓
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
✓
–
✓
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
–
–
✓
✓
–––
✓
✓
–––
✓
✓
–
✓
–
✓
–
✓
–
✓
–
✓
–
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
✓
✓
✓
–––
✓
✓
–––
✓
✓
–
✓
–
✓
–
✓
–
✓
–
✓
–
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
✓
✓
✓
✓✓✓✓✓
✓✓✓✓✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
✓✓✓✓✓
✓✓✓✓✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
✓
–
–
✓
–
✓
–
✓
–
✓
–
✓
–
✓
–
–
–
✓
✓
✓
✓
–
✓
–––
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–––
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Cutle r-Hammer
Miniature Circuit Breakers
and Supplementary
Effective: May 2000 Page 2
Technical Data
Protectors
Table 3 – Temperature Correction – Breakers are Calibrated at a Temperature of 30ºC
Temperature Correction
I
(A) 30ºC 35ºC 40ºC 45ºC 50ºC 55ºC 60ºC
n
0.5
1
2
3
4
5
6
7
8
10
13
15
16
20
25
30
32
40
50
60
63
80
100
0.5
1
2
3
4
5
6
7
8
10
13
15
16
20
25
30
32
40
50
60
63
80
100
0.48
0.96
1.92
2.88
3.84
4.8
5.76
6.72
7.68
9.6
12.5
14.4
15.4
19.2
24
28.8
30.7
38.4
48
57.6
60.5
76.8
96
0.46
0.92
1.84
2.76
3.68
4.6
5.52
6.44
7.36
9.2
12
13.8
14.7
18.4
23
27.6
29.4
36.8
46
55.2
58
73.6
92
0.44
0.88
1.76
2.64
3.52
4.4
5.28
6.16
7.04
8.8
11.4
13.2
14.1
17.6
22
26.4
28.2
35.2
44
52.8
55.4
70.4
88
0.42
0.84
1.68
2.52
3.36
4.2
5.04
5.88
6.72
8.4
10.9
12.6
13.4
16.8
21
25.2
26.9
33.6
42
50.4
52.9
67.2
84
–
0.8
1.6
2.4
3.2
4
4.8
5.6
6.4
8
10.4
12
12.8
16
20
24
25.6
32
40
48
50.4
64
80
–
0.76
1.52
2.28
3.04
3.8
4.56
5.32
6.08
7.6
9.9
11.4
12.2
15.2
19
22.8
24.3
30.4
38
45.6
47.9
60.8
76
Table 4 – Grouping Factors
Number of Units Factor
1
2 or 3
4 or 5
6+
1
0.95
0.9
0.85
Table 5 – Frequency Correction
Factors
F (Hz) 16-2/3
to 60 Hz
100 Hz 200 Hz 400 Hz
K 1 1,1 1,2 1,5
Time-Current Characteristics (30ºC) – WME, WMF, WMM, and WMN
Miniature Circuit Breakers - WME, WMF, WMM & WMN
10000
1000
100
10
Time in seconds
1
0.1
A2CDG1B
0.01
1
Data Sheet # - 66C1206
Current in multiple of rated current
10
100
Miniature Circuit Breakers - WME, WMF, WMM & WMN
10000
1000
100
10
Time in seconds
1
0.1
A2CDG1C
0.01
1
Data Sheet # - 66C1207
Current in multiple of rated current
10
Note: Please check in Table 1 for
the availability of ratings in
each line.
Miniature Circuit Breakers - WMM & WMN
10000
1000
100
10
Time in seconds
1
0.1
A2CDG1D
100
0.01
1
Data Sheet # - 66C1208
Current in multiple of rated current
10
100
B Curve
TD.19A.20A.T.E
C Curve
D Curve
Loading...