High Performance Thermal Circuit Breaker 412-...
Description
Single pole high performance thermal circuit breaker with tease-free,
trip-free, snap action mechanism and push/pull on/off manual actuation
(M-type TO CBE to EN 60934). An indicator band on the push button
clearly shows the tripped/off position. Threadneck panel mounted and
available in tracked vehicle, aircraft and general purpose versions.
Typical applications
Extra low voltage wiring systems on all types of vehicles for land, sea
and air; defence equipment; battery powered machines.
1
412-...
Technical data
Voltage rating
Current rating range
DC 28 V
AC 115 V (400 Hz) upon request
6...25 A (-FN2)
7.5...35 A (-LN2/-N2),
lower current ratings to special order
4,000 operations at 2 x I
N
-55...+75 °C (-67...+167 °F)
rated impulse
pollution
withstand voltage
degree
1.5 kV
3
test voltage
AC 1,500 V
> 100 MΩ (DC 500 V)
6,000 A
6,000 A
operating area IP40
terminal area IP00
10 g (56-500 Hz), ± 0.76 mm (10-55 Hz)
to VG 95210, sheet 19,
MIL-STD-202, meth. 204,
IEC 60068-2-6, test Fc
25 g (11 ms)
to VG 95210, sheet 28,
MIL-STD-202, meth. 213,
IEC 60068-2-27, test Ea
96 hours at 5 % salt mist,
to VG 95210, sheet 2,
MIL-STD-202, meth. 101,
IEC 60068-2-11, test Ka
240 hours at 95 % RH
to VG 95210, sheet 7,
MIL-STD-202, meth. 106,
IEC 60068-2-3, test Ca
approx. 40 g
Ordering information
Type No.
412
threadneck panel mounting
Terminal design
K14
screw terminals M4 (to aircraft specs.)
K54
screw terminals M4 sealed housing (to vehicle specs.)
Version
FN2
vehicle application, nickel-plated
LN2
aircraft application, black finish
N2
general application, nickel-plated
Current ratings
6...25 A
(-FN2)
7.5...35 A
(-LN2/N2)
412 - K14 - LN2 - 10 A
ordering example
Typical life
Ambient temperature
Insulation co-ordination
(IEC 60664 and 60664A)
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
Preferred types
Preferred types
412-K54-FN2-
412-K14-LN2-
412-K54-LN2-
Standard current ratings (A)
6
x
7.5
x
x
8
x
x
x
10
x
x
x
15
x
x
x
20
x
x
x
25
x
x
x
30
x
x
35
x
x
Standard current ratings and typical voltage drop values
Current
rating (A)
Voltage
drop (mV)
-LN/N
6
7.5
8
10
12
13
-
≤ 300
≤ 250
≤ 200
≤ 200
≤ 200
-FN
≤ 300
≤ 250
≤ 200
≤ 200
≤ 200
≤ 200
15
20
25
30
35
Current
rating (A)
Voltage
drop (mV)
-LN/N
≤ 200
≤ 200
≤ 200
≤ 200
≤ 200
-FN
≤ 200
≤ 200
≤ 200
-
-
Mass
Humidity
Shock
Corrosion
Approvals
Authority
UL
CSA
Standard
UL 1077
C22.2 No
235
Rated voltage
DC 28 V
DC 28 V
Current ratings
0.1 A...35 A
0.1 A…35 A
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High Performance Thermal Circuit Breaker 412-...
Dimensions
412-K54-FN2/N2
ø10.6
.417
OFF
ON
tightening torque max. 4 Nm
M12x1
6.5
.256
black
white
4
.157
lock
washer
2
46
1.81
58
2.28
Internal connection diagram
line 1
12.2
.480
6
.236
1
52
2.05
1.5
.059
Typical time/current characteristics
35°
screw ISO1580-M4x6
washer DIN 137-B4
tightening torque max. 1.2 Nm
20
.787
35°
.5
.2
ax . 098
m x
ma
10.6
.417
terminal version
< 6 A
412-...-FN2 6...25 A
10000
1000
+75 °C
+167 °F
+23 °C
+73.4 °F
-55 °C
-67 °F
terminal version > 6 A
ø12.5
+0.2
412-K14/K54-FN2/N2
current rating in A
9.5
.374
14.5
.571
Trip time in seconds
.492
+.008
mounting holes
9.5
±0.2
.374
±.008
100
10
5
2.7
.106
1
location pin
SW14
.551
29
1.14
thickness 1.5 - 3 mm
.059 - .118 in.
min. ø3.2
min .126
0.1
0.01
412-K14-LN2
0.001
1
2
4 6 810 20 40 6080100
… times rated current
412-..LN2/-N2 7.5...35 A
10000
1000
+75 °C
+167 °F
+23 °C
+73.4 °F
-55 °C
-67 °F
Trip time in seconds
35°
screw ISO1580-M4x6
washer DIN 137-B4
tightening torque max. 1.2 Nm
20
.787
35°
.5
.2 8
ax . .09
m ax
m
10.6
.417
terminal version
<7.5 A
100
terminal version >7.5 A
10
412-K14/K54-LN2
current rating in A
9.5
±0.2
.374
±.008
9.5
.374
14.5
.571
mounting holes
min. ø3.2
min .126
1
0.1
5
2.7
.106
0.01
ø12.5
+0.2
.492
+.008
location pin
SW14
.551
29
1.14
0.001
1
2
thickness 1.5 - 3 mm
.059 - .118 in.
4 6 810 20 40 6080100
… times rated current
This is a metric design and millimeter dimensions take precedence ( mm )
inch
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High Performance Thermal Circuit Breaker 412-...
Accessories (approved to VG 95345, part 23)
Splash cover /hex nut assembly with O ring
(IP66 and IP67)
X 200 801 08
nickel plated nut M12x1, transparent cover
X 200 801 03
matt black finish nut M12x1, black cover
X 200 801 12
with blackened nut and transparent cover
Accessories
Identification collar
to be snapped on the push button
Y 307 004 01 black
Y 307 004 02 white
Y 307 004 03 red
Y 307 004 04 green
Y 307 004 05 blue
ø14
.551
ø6.85
.270
.252
6.4
M12x1
ø12.35
.486
1
Splash cover black /hex nut assembly with O ring
(IP54)
X 200 802 01
nickel plated nut M12x1
X 200 802 02
matt black finish nut M12x1
0.65
.026
M12x1
Actuator extension
(black)
to be fitted on the push button
X 200 803 01
ø20
ø.787
Lock out ring
to block the push button in OFF position
Y 307 005 01 red
Y 307 005 02 black
ø14.6
.575
7.7
.303
17
.669
ø10.9
.429
0.8
.031
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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