Cutler Hammer, Div of Eaton Corp Miniature Circuit Breakers, Supplementary Protectors Technical Specifications
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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
✓
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✓
C
D
C
D
C
D
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✓
✓
✓
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✓
✓
✓
✓
✓
✓
✓✓✓✓ – –––––––––––––––––––– ✓✓
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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
Technical Data
Effective: May 2000Page 3
Miniature Circuit Breakers
and Supplementary
Protectors
Energy Let-Through Characteristics at 415V – WME, WMF, WMM, and WMN
Miniature Circuit Breakers - WME, WMF, WMM & WMN
100000
10000
1000
100
²s
10
1
Energy let-through in kA
0.1
0.01
0.001
A2CT10B
0.0001
0.1
1
Data Sheet # - 66C1201
16 A
13 A
10 A
6 A
10
Prospective short-circuit current in A
B Curve
63 A
50 A
40 A
32 A
25 A
20 A
50 A, 63 A
32 A, 40 A
20 A, 25 A
13 A, 16 A
10 A
6 A
100000
10000
1000
100
Miniature Circuit Breakers - WME, WMF, WMM & WMN
100000
10000
1000
100
²s
10
1
Energy let-through in kA
0.1
0.01
0.001
A2CT10C
0.0001
0.1
0.5 A
1
4 A
3 A
2 A
1 A
Data Sheet # - 66C1202
16 A
13 A
10 A
6 A
10
Prospective short-circuit current in A
C Curve
63 A
50 A
40 A
32 A
25 A
20 A
50 A, 63 A
32 A, 40 A
20 A, 25 A
13 A, 16 A
10 A
6 A
3 A, 4 A
1 A, 2 A
0.5 A
100000
10000
1000
100
100000
10000
1000
100
²s
10
1
Energy let-through in kA
0.1
0.01
0.001
A2CT10D
0.0001
0.1
D Curve
Cutle r-Hammer
Miniature Circuit Breakers - WMM & WMN
Data Sheet # - 66C1203
63 A
50 A
40 A
32 A
25 A
20 A
16 A
13 A
10 A
6 A
4 A
3 A
2 A
1 A
0.5 A
100
10
1
Prospective short-circuit current in A
50 A, 63 A
32 A, 40 A
20 A, 25 A
13 A, 16 A
10 A
6 A
3 A, 4 A
1 A, 2 A
0.5 A
100000
10000
1000
Note: Please check in Table 1 for
the availability of ratings in
each line.
Time-Current Characteristics (30ºC) – WMH
10000
1000
100
10
Time in seconds
1
0.1
A2CDG1C
0.01
1
C Curve
Miniature Circuit Breakers - WME, WMF, WMM & WMN
Data Sheet # - 66C1207
10
Current in multiple of rated current
100
Energy Let-Through Characteristics at 415V – WMH
Miniature Circuit Breakers - WMH
100000
80 A
10000
1000
²s
Energy let-through in kA
100
10
A2CT15C
1
100
C Curve
100 A
Data Sheet # - 66C1204
1000
Prospective short-circuit current in A
80A, 100 A
10000
TD.19A.20A.T.E
Cutle r-Hammer
Time-Current Characteristics – WMS
Supplementary Protectors – WMS
10000
1000
100
10
Time in seconds
1
0.1
0.01
1
Data Sheet # - 66C1235
10
Current in multiple of rated current
100
Miniature Circuit Breakers
and Supplementary
Protectors
Supplementary Protectors – WMS
10000
1000
100
10
Time in seconds
1
0.1
0.01
1
Data Sheet # - 66C1236
10
Current in multiple of rated current
100
Technical Data
Effective: May 2000 Page 4
Supplementary Protectors – WMS
10000
1000
100
10
Time in seconds
1
0.1
0.01
1
Data Sheet # - 66C1237
10
Current in multiple of rated current
100
B Curve
C Curve
Energy Let-Through Characteristics at 240/415V – WMS
10000
1000
100
10
²s
1
Energy let-through in kA
0.1
0.01
0.001
0.0001
B Curve
0.1
Supplementary Protectors –WMS
Data Sheet # - 66C1238
10
1
Prospective short-circuit current in A
10000
1000
100
10
²s
1
Energy let-through in kA
0.1
0.01
0.001
10000
1000
100
0.0001
C Curve
0.1
Supplementary Protectors –WMS
Data Sheet # - 66C1239
10
1
Prospective short-circuit current in A
D Curve
Supplementary Protectors –WMS
10000
1000
100
10
²s
1
Energy let-through in kA
0.1
0.01
0.001
0.0001
10000
1000
100
0.1
Data Sheet # - 66C1240
1
Prospective short-circuit current in A
10000
1000
100
10
D Curve
TD.19A.20A.T.E
✓
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– ✓
Technical Data
Effective: May 2000Page 5
Miniature Circuit Breakers
and Supplementary
Protectors
Table 6 – MCB Accessories
Part
Number
WAL1A1B No Yes No No 1 Changeover Contact.
WAX1A1B Yes No No No 2 Changeover Contact.
WST 415A No No Yes No 230-415V~ / 110-130V
WST 48D No No Yes No 9-48V
WUVR 240A No No No Yes 240V~ / 110-130V
WUVR 48D No No No Yes 48V
WST220A No No Yes No 110V
Grouping of Accessories
Auxiliary
Switch
Auxiliary
Alarm Switch
Shunt
Trip
UVR Electrical
Characteristics
240V~ 6A
240V~ 6A
… / 48V~
…
… / 24-48V~
… / 220V~
Cutle r-Hammer
Cable Size Tightening Torque
2
mm
0.5 to 4 18 to 12 0.8 7.1
0.5 to 4 18 to 12 0.8 7.1
…
0.5 to 4 18 to 12 0.8 7.1
0.5 to 4 18 to 12 0.8 7.1
0.5 to 4 18 to 12 0.8 7.1
0.5 to 4 18 to 12 0.8 7.1
0.5 to 4 18 to 12 0.8 7.1
AWG Nm lb. in.
WAX
or
WAL
WST
or
WUVR
WM . . .
MCB
WST
or
WUVR
WAX
or
WAL
WAX
or
WAL
WM . . .
MCB
Suitability of Accessories by Line
Product Auxiliary Switch
WME
WMF
WMM
WMN
WMS
WMH
(WAX)
–
–
✓
✓
✓
Auxiliary Alarm
(WAL)
–
–
✓
✓
✓
Shunt Trip
(WST)
–
–
✓
✓
✓
UVR
(WUVR)
–
–
✓
✓
✓
✓
Padlock
Attachment
(WPLK)
✓
✓
✓
✓
✓
✓
Padlock
and Keys
(WPKey)
✓
✓
✓
✓
✓
✓
Identification
Labels
(WIDL)
✓
✓
✓
✓
Ring Tung
Interphase Barriers
(WRTIB)
✓
Packing Details
Breaker Type Carton Quantity Carton Dimensions in Inches (mm) Complete Carton Weight in ounces (kg)
1P 2P 3P 4P
WME
WMF
WMM
WMN
WMS
WMH
WAL/WAX 1-1/2 Module 3.75 (95) x 3.25 (83) x 1 (25) 2.5 (.07)
WST/WUVR 1 Module 3.75 (95) x 3.25 (83) x 1 (25) 5 (.14)
12
12
12
12
12
6
4
6
6
6
6
1
1
3
4
3
4
3
4
3
4
3
1
1
9.06 (230) x 3.19 (81) x 3.78 (96)
9.06 (230) x 3.19 (81) x 3.78 (96)
9.06 (230) x 3.19 (81) x 3.78 (96)
9.06 (230) x 3.19 (81) x 3.78 (96)
9.06 (230) x 3.19 (81) x 3.78 (96)
9.06 (230) x 3.19 (81) x 3.78 (96)
55 (1.54)
55 (1.54)
55 (1.54)
55 (1.54)
55 (1.54)
55 (1.54)
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Copyright Cutler-Hammer Inc., 2000.
All Rights Reserved.
TD.19A.20A.T.E
Technical Data
Miniature Circuit Breakers
Effective: May 2000Page 6
and Supplementary
Cutle r-Hammer
Protectors
TD19A20ATE
Cutler-Hammer
TD.19A.20A.T.E
Printed in U.S.A. / Z99099
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