Thermal Automotive Circuit Breaker 129-L11-H-KF
Description
Single pole thermal circuit breaker with push-to-reset, tease-free,
trip-free, snap action mechanism and separate manual release
(M-type TO CBE to EN 60934). Designed for bolt-on mounting with
terminal block type 83-P10.
Typical applications
Extra low voltage wiring systems on all types of vehicles and marine
craft.
Ordering information
Type No.
129
base mounting and connection
Terminal design
L11
90° bent terminals
Manual release
H
manual release facility
Housing
KF
standard
Current ratings
3...25 A
129 - L11 - H - KF - 10 A
= ordering example
129-L11-H-KF
Technical data
Voltage rating
Current ratings
Typical life
Ambient temperature
Insulation co-ordination
(IEC 60664 and 60664 A)
Dielectric strength
(IEC 60664 and 60664A)
operating area
Insulation resistance
Interrupting capacity I
cn
Interrupting capacity
(UL 1077)
Degree of protection
(IEC 60529/DIN 40050)
Vibration
Shock
Corrosion
Humidity
Mass
DC 28 V
(UL: AC 250 V; DC 50 V)
3...25 A
5,000 operations at 2 x I
N
-40...+75 °C (-40...167 °F)
rated impulse
pollution
withstand voltage
degree
2.5 kV
2
test voltage
AC 1,500 V
> 100 MΩ (DC 500 V)
3...5 A 20 x I
N
6...25 A 400 A
I
N
U
N
0.05...25 A
DC 50 V
2,500 A
operating area IP32
terminal area IP00
10 g (55-2,000 Hz) ± 0.76 mm (10-55 Hz)
to VG 95210 part 28
50 g (11 ms)
to VG 95210 part 28
96 hours at 5 % salt mist,
to VG 95210 part 2
240 hours at 95 % RH
to VG 95210 part 7
approx. 25 g
2
Standard current ratings and typical internal resistance values
Current
rating (A)
3
3.5
4
4.5
5
6
7
Internal
resistance (Ω)
0.1
0.06
0.06
0.05
0.05
0.02
0.02
Current
rating (A)
8
10
12
16
20
25
Internal
resistance (Ω)
0.02
< 0.02
< 0.02
< 0.02
< 0.02
< 0.02
Approvals
Authority
VDE
UL
CSA
BWB
Standard
IEC / EN 60934
UL 1077
C22.2 No 235
VG 95345
Part 9
Rated voltage
AC 250 V
DC 28 V
AC 250 V
DC 50 V
AC 250 V
DC 50 V
DC 28 V
Current ratings
3 A…25 A
3 A…25 A
0.05 A…20 A
0.05 A…25 A
0.05 A…20 A
0.05 A…25 A
6 A…25 A
2015/16
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Thermal Automotive Circuit Breaker 129-L11-H-KF
Dimensions
ø4
.157
OFF
ON
10000
3 - 20 A
25 A
45
1.77
1000
Typical time/current characteristics at +23 °C/+73.4 °F
13.5
.532
8.5
.335
0.8
.031
Trip time in seconds
31
1.22
11.5
.453
100
4.3
±0.1
.169
±.004
40
1.57
50
1.97
ø4.3
±0.1
.169
±.004
8
.315
2
5
±0.1
.197
±.004
10
1
Internal connection diagram
1
0.1
1
2
4
6 8 10
... times rated current
20
40
The time/current characteristic curve depends on the ambient
temperature prevailing. In order to eliminate nuisance tripping,
please multiply the circuit breaker current ratings by the derating
factor shown below. See also section Technical information.
Ambient temp. °F -40
°C -40
2
-4
-20
+14 +32 +73.4 +104 +122 +140 +167
-10
0
+23 +40 +50 +60 +75
1
1.08
1.16
1.24 1.35
Derating factor
0.60 0.76 0.84 0.92
This is a metric design and millimeter dimensions take precedence ( mm )
inch
All dimensions without tolerances are for reference only. In the interest of improved design,
performance and cost effectiveness the right to make changes in these specifications
without notice is reserved.Product markings may not be exactly as the ordering codes.
Errors and omissions excepted.
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