High Performance Thermal Circuit Breaker 412-...
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1
Description
Typical applications
Ordering information
Approvals
Technical data
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.
Extra low voltage wiring systems on all types of vehicles for land, sea
and air; defence equipment; battery powered machines.
412-...
Standard current ratings and typical voltage drop values
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
Voltage rating DC 28 V
AC 115 V (400 Hz) upon request
Current rating range 6...25 A (-FN2)
7.5...35 A (-LN2/-N2),
lower current ratings to special order
Typical life 4,000 operations at 2 x I
N
Ambient temperature -55...+75 °C (-67...+167 °F)
Insulation co-ordination rated impulse pollution
(IEC 60664 and 60664A) withstand voltage degree
1.5 kV 3
Dielectric strength
(IEC 60664 and 60664A) test voltage
operating area AC 1,500 V
Insulation resistance > 100 MΩ (DC 500 V)
Interrupting capacity I
cn
6,000 A
Interrupting capacity
(UL 1077) 6,000 A
Degree of protection operating area IP40
(IEC 60529/DIN 40050) terminal area IP00
Vibration 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
Shock 25 g (11 ms)
to VG 95210, sheet 28,
MIL-STD-202, meth. 213,
IEC 60068-2-27, test Ea
Corrosion 96 hours at 5 % salt mist,
to VG 95210, sheet 2,
MIL-STD-202, meth. 101,
IEC 60068-2-11, test Ka
Humidity 240 hours at 95 % RH
to VG 95210, sheet 7,
MIL-STD-202, meth. 106,
IEC 60068-2-3, test Ca
Mass approx. 40 g
Current
rating (A)
Voltage
drop (mV)
Current
rating (A)
Voltage
drop (mV)
-LN/N -FN -LN/N -FN
6 - ≤ 300 15 ≤ 200 ≤ 200
7.5 ≤ 300 ≤ 250 20 ≤ 200 ≤ 200
8 ≤ 250 ≤ 200 25 ≤ 200 ≤ 200
10 ≤ 200 ≤ 200 30 ≤ 200 -
12 ≤ 200 ≤ 200 35 ≤ 200 -
13 ≤ 200 ≤ 200
Preferred types Standard current ratings (A)
6 7.5 8 10 15 20 25 30 35
412-K54-FN2-
x x x x x x x
412-K14-LN2-
x x x x x x x x
412-K54-LN2-
x x x x x x x
Preferred types
Authority Standard Rated voltage Current ratings
UL UL 1077 DC 28 V 0.1 A...35 A
CSA C22.2 No
235
DC 28 V 0.1 A…35 A
