NOW PART OF
CMB-Series
Thermal Circuit Breaker
P RO DU C T WE BPAGE
request sample, configure part
Miniature, Push-to-Reset
Part of Carling’s push-to-reset family of thermal circuit
breakers, the miniature CMB-Series is the designed with
minimal moving parts to assure cost-effective but reliable
protection for a wide range of equipment applications.
Offering a consistent trip point over temperatures ranging
from -10°C to +60°C, this single pole breaker is rated from
3-20 amps, 125/250VAC, 32VDC with 1,000 AIC at 250VAC
and 2,500 AIC at 32VDC.
1
Pole
3-20
Amps
125-250
VAC Max
32
VDC Max
Typical Applications
∙
Household Appliances
∙
Power Strips & Supplies
∙
On/Off-Highway
∙
Marine
∙
Medical Equipment
∙
Audio-Visual Equipment
www.carlingtech.com
860.793.9281
sales
@
carlingtech.com
Ordering Scheme
Sample
Part Number
Selection
CMB - 10 3 - 11 C 3 N - B - A / 10
1
2
3
4
5
6
7
8
9
10
1. SERIES
CMB
7. INDICATOR PLATE
N
A
None
Embossed Legend
9
see next page for diagram
B
Silver Printing on Black
2. RATING
03
04
05
06
07
3 amps
4 amps
5 amps
6 amps
7 amps
08
10
12
13
14
8 amps
10 amps
12 amps
13 amps
14 amps
15
16
20
15 amps
16 amps
20 amps
8. BUTTON
B
Black
R
10,11,15
Red
W
White
9. TERMINAL
A
B
C
D
Type A
Type B
Type C
Type D
see next page for diagram
3. VOLTAGE
3
125-250VAC / 32 VDC
see next page for diagram
E
F
G
H
Type E
Type F
Type G
Type H
J
K
R
Type J
Type K
Type R
4. MOUNTING HOLE
11
12
00
27
28
M11
1
M12
2
Snap In Style
3
3/8” 27 UNS
15
3/8” 27 UNS (double flatted)
12
see next page for diagram
10 BUTTON MARKING
(IF BLANK, NO MARKING)
Button Marking Orientation:
line
13
20
load
5. BUSHING
PLASTIC
C
Type C
4
D
Type D
4
E
Type E
5
G
Type G
8
H
Type H
6
K
Type K
13
METAL
J
Type J
8
03
04
05
06
07
3 amp
4 amp
5 amp
6 amp
7 amp
08
10
12
13
14
8 amp
10 amp
12 amp
13 amp
14 amp
15
16
20
15 amp
16 amp
20 amp
6. MOUNTING NUT
N
1
2
3
4
None
Type 1
Type 2
Type 3
11
Type 4
7
see next page for diagram
5
6
7
8
Type 5
Type 6
14
Type 7
9
Type 8
9
Notes: Tolerance ±.005 [.127] unless otherwise specified.
1
Used with bushing C or D only.
2
Used with H bushing only.
3
Used with bushing E only.
4
Used with M11 mounting hole only.
5
Used with mounting hole 00 only.
6
Used with M12 mounting hole only.
7
All hardware available separately. Consult factory.
8
Available with mounting hole 27 only.
9
Available with G, J or K bushing only.
10 Amp rating must match button marking
(ex: 20 will be marked on the button of
CMB-203-27G3N-W-A/20)
11
Includes molded in “PRESS TO RESET” marking.
12 Available with K bushing only.
13 Available with mounting hole 28 only.
14 Thickness is 3.0 mm, .118 in.
15 Available with G or J bushing only.
Configure Complete Part Number >
Browse Standard Parts >
2.
*Manufacturer reserves the right to change product specification without prior notice.
Ordering Scheme Diagrams
4. MOUNTING HOLE
+.008
-.000
.441
[11.2]
+.20
-.00
+.008
-.000
.481
[12.2]
+.20
-.00
+.008
-.000
.623
[15.8]
+.20
-.00
Panel Cutout
Thickness:
[0.8] - [2.5]mm
.032 - .098
+.008
-.000
+.20
-.00
+.008
-.000
.343
[8.7]
+.20
-.00
+.008
-.000
.382
[9.7]
+.20
-.00
+.008
-.000
.394
[10.0]
+.20
-.00
+.008
-.000
.433
[11.0]
+.20
-.00
.544
[13.8]
+.008
-.000
.382
[9.7]
+.20
-.00
+.008
-.000
.302
[7.7]
+.20
-.00
11
12
00
27
28
5. BUSHING
PLASTIC
METAL
.067
[1.7]
.382
[9.7]
.067
[1.7]
.382
[9.7]
.118
[3.0]
.382
[9.7]
.067
[1.7]
.319
[8.1]
.067
[1.7]
.472
[12.0]
.067
[1.7]
.472
[12.0]
.067
[1.7]
.472
[12.0]
TYPE C
TYPE D
TYPE E
TYPE H
TYPE G
TYPE K
TYPE J
6. MOUNTING NUT
METAL
Bushing
.591
Type
15.0]
[
.067
[1.7]
PLASTIC
CMB SERIES
METAL
METAL PAL
.552
[14.0]
.110
[2.8]
.382
[9.7]
PLASTIC
.094
[2.4]
.741
[ 18.8]
.319
[8.1]
.067
[1.7]
HEX BOOT
.118
[3.0]
.472
[12.0]
.067
[1.7]
.472
[12.0]
.067
[1.7]
.472
[12.0]
.099
[2.5]
.382
[9.7]
.562
[14.3]
.118
[3.0]
.382
[9.7]
.118
[3.0]
.591
[ 15.0]
.067
[1.7]
.067
[1.7]
TYPE 1
TYPE C
TYPE 2/ TYPE 6
TYPE D
TYPE E
TYPE 7
TYPE H
TYPE 3
TYPE G
TYPE 4
TYPE K
TYPE 5/TYPE 8
TYPE J
Type 5 is clear hex boot. Type 8 is black hex boot (available for bushings G, J & K only); Type 3 nut includes molded in “PRESS TO RESET” marking.
7. INDICATOR PLATE
Embossed
(ALUMINUM)
.887
[22.5]
.016
[.4]
Silver Printing
On Black
.887
[22.5]
.016
[.4]
All indicator plates are marked “Suppl. Prot. press to reset”.
9. TERMINAL
3.2
[.126]
3.2
[.126]
3.2
[.126]
3.2
[.126]
.126
[3.2]
.250 Tab
.250 Tab
.126
[3.2]
.250 Tab
.126
[3.2]
.250 Tab
.126
[3.2]
.250 Tab
90 Bend
Backward
TYPE A :
Straight
TYPE B :
Line Pin
TYPE C :
Load Pin
TYPE D :
90 Bend
TYPE E :
10.41
[.41]
.250 Tab
Screw
Terminal
10.41
[.41]
Screw Terminal
90 Bend
10.41
[10.41]
Screw Terminal
90 Bend
10.41
[.41]
.250 Tab
Mixed Terminals
90 Bend Load
TYPE F :
Mixed Terminals
90 Bend Line
TYPE G :
TYPE H :
TYPE J :
Screw Terminal
without
TYPE R :
TYPE K :
F,G,H,J terminals are 8-32 UNC
3.
*Manufacturer reserves the right to change product specification without prior notice.
Dimensional Specs
inches [millimeters]
1.154
[29.3]
.558
[14.0]
1.781
[45.2]
Time Delay
Percentage of Rated Current
Trip Time in Seconds
Overload
100%
135%
Trip Time
Trip in 1 hr
No Trip
-10 °C
-5 °C
0 °C
5 °C
Trip Time Factor
1
x 1.60
x 1.70
30 °C x 0.90
35 °C x 0.85
Notes:
1.
Trip Time factor is
a guideline that
indicates ambient
temperature effect
on trip times at
various overload
values.
400%
600%
500%
300%
200%
0.42 ~ 5.0 sec.
0.25 ~ 3.0 sec.
0.01 ~ 1.8 sec.
0.9 ~ 8.0 sec.
4.0 ~ 40 sec.
x 1.50
10 °C
20 °C
25 °C
15 °C
x 1.30
x 1.20
x 1.10
x 1.40
40 °C x 0.80
45 °C x 0.75
50 °C x 0.70
x 1.00
60 °C x 0.60
55 °C x 0.65
4.
*Manufacturer reserves the right to change product specification without prior notice.
Authorized Sales Representatives and Distributors
Click on a region of the map below to find your local representatives and distributors
or visit
www.carlingtech.com/findarep.
CANADA
USA
MEXICO
EUROPE
MIDDLE
EAST
AFRICA
SOUTH
AMERICA
ASIA-PACIFIC
OCEANIA
About Carling
Founded in 1920, Carling Technologies is a leading manufacturer of electrical and
electronic switches and assemblies, circuit breakers, electronic controls, power
distribution units, and multiplexed power distribution systems. With six ISO9001 and
IATF16949 registered manufacturing facilities and technical sales offices worldwide,
Carling Technologies Sales, Service and Engineering teams do much more than
manufacture electrical components, they engineer powerful solutions! To learn more
about Carling please visit
www.carlingtech.com/company-profile.
To view all of Carling’s environmental, quality, health & safety certifications please visit
www.carlingtech.com/environmental-certifications.
© Carling Technologies, Inc.
Carling is a registered trademark of Carling Technologies, Inc. in the U.S. and other countries.
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