
Issue C
4
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Voltage rating
Current rating range
Typical life
Ambient temperature
Insulation co-ordination
(IEC 664 and 664A)
AC 115 V (400 Hz); DC 28 V
50...100 A
2,500 operations at I
N
-55...+75
°
C
Rated impulse
withstand voltage degree
1.5 kV
Pollution
3
Dielectric strength
(IEC 664 and 664A)
operating area
Insulation resistance
Interrupting capacity I
cn
Test voltage
AC 1500 V
>100 M
(DC 500 V)
AC 115 V: 1500 A
DC 28 V: 6000 A
operating area IP 40
terminal area IP 00
10 g (55-2000 Hz)
±
0.76 mm (10-55 Hz)
to VG 95210, sheet 19/IEC 68-2-6, test Fc
50 g (11 ms)
to VG 95210, sheet 28/IEC 68-2-27, test Ea
96 hours at 5 % salt mist
to VG 95210, sheet 2/IEC 68-2-11, test Ka
240 hours at 95 % RH
to VG 95210, sheet 7/IEC 68-2-3, test C
to VG 95210, sheet 10/
MIL-STD-202, meth. 109
approx. 122 g
Degree of protection
(IEC 529/DIN 40050)
Vibration
Shock
Corrosion
Humidity
Explosion
Mass
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 shows clearly the tripped/off position. Threadneck panel mounted
in tracked vehicle and aircraft/general purpose versions, with optional
fast acting magnetic characteristics.
Extra low voltage wiring systems on all types of vehicle for land, sea and
air; defence equipment; battery powered machines.
Technical data
452-K...
452-AS...
High Performance Thermal-Magnetic Circuit Breaker 452-...
Typical applications
X 200 801 08
Water splash cover/hex nut assembly. The concertina
design is extended when the button trips to the OFF
position. Plated finish.
As above but matt black finish.
Splash seal/hex nut assembly, allowing full visibility
of the push button actuator. Plated finish.
As above but blackened finish.
Screw-tightened clamp-on actuator extension to
aid manual operation.
X 200 801 03
X 200 802 01
X 200 802 02
X 200 803 01
Accessories
Authority
VG 95345, part 17
QPL, Canada
QPL, Sweden
LRoS, BV
Voltage ratings
DC 28 V
DC 28 V
DC 28 V
DC 28 V
Current ratings
60...100 A
60...100 A
60...100 A (452-K34-FN)
50...100 A
Approvals
Ordering information
Standard current ratings and typical volt drop values
Current
rating (A)
50
60
70
75
Volt drop
(mV)
100
120
125
130
Current
rating (A)
80
90
100
Volt drop
(mV)
135
145
150
Description
Type No.
452
452-2
standard delay curve
fast trip curve
Terminal design
K14
screw terminals M6
K34
screw terminals M6, reinforced
AS13
screw terminals 8-32 UNC-3B with hex screw 8-32 UNJC-
3A (NAS 1801-08-6) and washer (MS 35 338-137)
AS14
screw terminals 1/4-28UNF-2B with hex screw 1/4 28UNF-
2A (MS 90726-2), spring washer (MS 35 338-44) and washer
(NAS 1149 F0432P)
AS03
screw terminal 8-32UNC-3B, without screws
AS04
screw terminal 1/4-28 UNF-2B, without screws
Version
FN2
vehicle application
LN2
aircraft/general application
LN3
aircraft application, front panel mounting with
insulating barrier
Current ratings
50...100 A
452 - K14 - LN2 - 80 A ordering example