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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452-...
Ordering information
Type No.
Technical data
452
standard delay curve
Terminal design
K34 screw terminals M6, reinforced
Version
Voltage rating
DC 28 V
Current rating range
Auxiliary circuit
50...100 A
FN2 vehicle application
LN2 aircraft/general application
Current ratings
0.5 A, DC 28 V
Typical life
2,500 operations at IN
-55...+75 °C (-67...+167 °F)
50...100 A
Ambient temperature
Insulation co-ordination
452 - K34 - LN2 - 80 A
ordering example
rated impulse
pollution
(IEC 60664 and 60664A) withstand voltage
1.5 kV
degree
3
Dielectric strength
(IEC 60664 and 60664A) test voltage
Standard current ratings and typical volt drop values
operating area
AC 1,500 V
Current
rating (A)
Volt drop
(mV)
Current
rating (A)
Volt drop
(mV)
Insulation resistance
Interrupting capacity Icn
> 100 MΩ (DC 500 V)
6,000 A
50
60
70
75
90
85
85
90
80
92
Degree of protection
(IEC 60529/DIN 40050)
operating area IP40
terminal area IP00
90
100
100
Vibration
10 g (55-2000 Hz), 0.76 mm (10-55 Hz)
to VG 95210, sheet 19,
IEC 60068-2-6, test Fc
100
Shock
50 g (11 ms)
to VG 95210, sheet 28,
IEC 60068-2-27, test Ea
(without auxiliary contacts)
Approvals
Corrosion
Humidity
96 hours at 5 % salt mist
to VG 95210, sheet 2,
IEC 60068-2-11, test Ka
Authority Standard
Rated voltage
Current ratings
240 hours at 95 % RH
to VG 95210, sheet 7,
IEC 60068-2-3, test C
UL
UL 1077
DC 28 V
DC 72 V
50 A...125 A
50 A...125 A
CSA
Bw
Bw
C22.2 No 235 DC 28 V
DC 72 V
50 A…100 A
50 A…125 A
Explosion
Mass
to VG 95210, sheet 10,
MIL-STD-202, meth. 109
VG 95345,
part 17
DC 28 V
60 A…100 A
approx. 122 g
LN 29808
AC 115 V, 400 Hz 80 A, 100 A
DC 28 V
80 A, 100 A
QPL
VG 95345,
part 17
DC 28 V
60 A…100 A
Canada
Dep. of
National
Defence
QPL
TL 5925-001
DC 28 V
60 A…100 A
Sweden
Defence
Material
Admin.
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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