
Issue C
4
%
Germany (0 91 87) 10-0 - USA (847) 827 - 7600 - UK (01296) 420336 - www.etacbe.com
223
Voltage rating
Current rating range
Auxiliary contact rating
Electrical remote disconnection (-FA)
operating voltage
operating current
max. pulse time
switching time
Electrical remote re-connection (-FC)
operating voltage
operating current
max. pulse time
switching time
Typical life
DC 144 V
(higher voltage ratings to special order)
40...240 A
6 A max. at DC 28 V; 0.2 A at DC 180 V
DC 12 V or DC 24 V
approx. 18 A or 12 A
10 ms < t
ON
< 20 ms / t
OFF
> 10 s
< 20 ms
DC 12 V or DC 24 V
approx. 30 A or 15 A
0.1 s < t
ON
< 1.2 s / t
OFF
> 60 s
< 100 ms
3,000 operations at 240 A, DC 180 V
10,000 operations at 240 A, DC 28 V
20,000 operations mechanical
-40...+60
°
C
Rated impulse
withstand voltage degree
6 kV
Ambient temperature
Insulation co-ordination
(IEC 664 and 664 A)
Pollution
3
Dielectric strength
(IEC 664 and 664 A)
operating area
main to aux. circuit
aux. circuits 11-12 to 13-14
AC 1000 V
Insulation resistance
Interrupting capacity I
cn
Test voltage
AC 3300 V
AC 2200 V
> 100 M
(DC 500 V)
2,000 A at DC 180 V; L/R = 0 ms
10,000 A at DC 28 V; L/R = 0 ms
7,500 A at DC 28 V; L/R = 13 ms
operating area IP 40, terminal area IP 00
(IP 54 with enclosure B...)
3 g (60-500 Hz),
±
0.23 mm (10-60 Hz)
4 g (60-500 Hz),
±
0.30 mm (10-60 Hz)
to IEC 68-2-6, test Fc, 10 frequency cycles/axis
20 g (11 ms)
25 g (11 ms)
to IEC 68-2-27, test Ea
48 hours at 5 % salt mist
to IEC 68-2-11, test Ka
240 hours at 95 % RH, to IEC 68-2-3, test Ca
approx. 1000 g
(with remote disconnection)
approx. 1400 g
(with remote disconnection
and re-connection)
Degree of protection
(IEC 529/DIN 40050)
Vibration
Curve 06:
Curve 07:
Shock
Curve 06:
Curve 07:
Corrosion
Humidity
Mass
Description
Technical data
Single pole high performance thermal magnetic circuit breaker with
toggle actuation (S-type TM CBE to EN 60934). Options include
auxiliary contacts, a moulded flame retardant enclosure for added
environmental protection, and remote operation - disconnection only,
or disconnection and re-connection.
Typical applications
Battery and cable protection for all types of vehicles (including electric),
battery powered systems.
437-...
High Performance Thermal-Magnetic Circuit Breaker 437-...
Ordering information
Authority
LRoS, ABS, BV
Voltage ratings
DC 180 V
Current ratings
40...240 A
Approvals
Standard current ratings and typical internal resistance values
Current
rating (A)
40
50
63
80
100
Internal resistance
(
)
< 0.001
< 0.001
< 0.001
< 0.001
< 0.001
Current
rating (A)
120
160
200
240
Internal resistance
(
)
< 0,001
< 0,001
< 0,001
< 0,001
Type No.
437
single pole, toggle actuator
Enclosure design (optional)
B3
moulded, high environmental protection degree, without operating knob
B31
moulded, high environmental protection degree, with operating knob
B35
as B31, but for remote disconnection and re-connection facility
Terminal design
K12
flat screw terminals M10, for enclosure B3, B31 or B35
K60
flat screw terminals DIN 46 206, form A, thread M10
Mounting
1
lugs
5
brackets
Characteristic curve
06
fast trip
07
delayed trip
Auxiliary contacts
(blade terminals 6.3x08)
Si
one each N/O and N/C
Si1
one N/C (11/12)
Si2
one N/O (13/14)
2Si2
two N/O
Remote trip
FA electrical remote disconnection
FC electrical remote disconnection
(FA) and re-connection (FE)
BC-FA electrical remote
disconnection (FA)
and manual/remote re-connection
not for enclosure B.
Coil voltage
12 DC 12 V
24 DC 24 V
Current ratings
40...240 A
Voltage ratings
≤
DC 110 V
> DC 110 V
437 - B31 - K12 - 5 - 06 - 2Si2 - FA 24 - 50 A -
ordering example
The exact part number required can be built up from the table of choices shown
above. Ordering references for optional features should be omitted if not required.