452-K34 Datasheet, PDF (1/2 Pages) ETAL Group – Extra low voltage wiring systems on all types of vehicle for land, sea and air; defence equipment; battery powered machines.

High Performance Thermal-Magnetic Circuit Breaker 452-...
Description
Single pole high performance thermal-magnetic circuit breaker, with
tease-free, trip-free, snap action mechanism and push/pull on/off
actuation (M-type TM CBE to EN 60934). An indicator band on the
push button clearly shows the tripped/off position. Threadneck panel
mounted in tracked vehicle and aircraft/general purpose versions.
Typical applications
Extra low voltage wiring systems on all types of vehicle for land, sea
and air; defence equipment; battery powered machines.
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Ordering information
452-...
Type No.
452 standard delay curve
Terminal design
K34 screw terminals M6, reinforced
Version
FN2 vehicle application
LN2 aircraft/general application
Current ratings
50...100 A
452 - K34 - LN2 - 80 A ordering example
Standard current ratings and typical volt drop values
Current
rating (A)
50
60
70
75
Volt drop
(mV)
90
85
85
90
Current
rating (A)
80
90
100
Volt drop
(mV)
92
100
100
Approvals (without auxiliary contacts)
Authority Standard
UL
UL 1077
CSA
C22.2 No 235
Bw
VG 95345,
part 17
Bw
LN 29808
QPL
Canada
Dep. of
National
Defence
QPL
Sweden
Defence
Material
Admin.
VG 95345,
part 17
TL 5925-001
Rated voltage
DC 28 V
DC 72 V
DC 28 V
DC 72 V
DC 28 V
AC 115 V, 400 Hz
DC 28 V
DC 28 V
DC 28 V
Current ratings
50 A...125 A
50 A...125 A
50 A…100 A
50 A…125 A
60 A…100 A
80 A, 100 A
80 A, 100 A
60 A…100 A
60 A…100 A
Technical data
Voltage rating
Current rating range
Auxiliary circuit
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
Degree of protection
(IEC 60529/DIN 40050)
Vibration

Shock

Corrosion

Humidity

Explosion

Mass
DC 28 V
50...100 A
0.5 A, DC 28 V
2,500 operations at I_N
-55...+75 °C (-67...+167 °F)
rated impulse
withstand voltage
1.5 kV
pollution
degree
3
test voltage
AC 1,500 V
> 100 MΩ (DC 500 V)
6,000 A
operating area IP40
terminal area IP00
10 g (55-2000 Hz), ± 0.76 mm (10-55 Hz)
to VG 95210, sheet 19,
IEC 60068-2-6, test Fc
50 g (11 ms)
to VG 95210, sheet 28,
IEC 60068-2-27, test Ea
96 hours at 5 % salt mist
to VG 95210, sheet 2,
IEC 60068-2-11, test Ka
240 hours at 95 % RH
to VG 95210, sheet 7,
IEC 60068-2-3, test C
to VG 95210, sheet 10,
MIL-STD-202, meth. 109
approx. 122 g
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.
1646
www.e-t-a.de
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