Thermal Automotive Circuit Breaker 1170-...
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1737
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Description
Typical applications
Ordering information Technical data
Compact single pole thermal circuit breaker with push-to-reset, tease
free, trip free, snap action mechanism and separate (colour coded)
manual release. Combining full feature circuit breaker protection and
convenience with low cost of ownership benefits. Fitted with blade
terminals for plug-in mounting.
Type III to SAE J 553.
Version 1176 is available especially for the automotive industry (current
ratings correspond to those of blade fuses).
Extra low voltage wiring systems on all types of vehicles and marine
craft. 1170-...
Standard current ratings, typical voltage drop values and
actuator colours (manual release)
Type No.
1170 plug-in
Design standard
21 blade terminals for automotive fuse blocks (standard)
with retaining clips, to DIN 72581, part 3
22 blade terminals for automotive fuse blocks,
without retaining clips, to DIN 72581, part 3
Current ratings
3...25 A
1170 - 21 - 15 A ordering example
Current rating (A) Voltage drop (mV) Actuator colour
3< 300 violet
4< 300 pink
5< 300 light brown
6< 150 mossy-green
7.5 < 150 brown
8< 150 honey
10 < 150 red
15 < 150 blue
20 < 150 yellow
25 < 150 white
Preferred types Standard current ratings (A)
3 4 5 6 7.5 8 10 15 20 25
1170-21- xxxxx xxxxx
1170-22- xxxxxxxxxx
Preferred types
Voltage rating (UN)DC 12 V / 24 V / 48 V
Max. voltage (Usmax)DC 58 V
Current ratings 3...25 A
Typical life
UN DC 24 V
UN DC 24 V
UN DC 24 V
UN DC 48 V
at rated current:
3...25 A 6 000 operations att 1 x IN
3...20 A 3 000 operations at 2 x IN
25 A 1 000 operations at 2 x IN
3...25 A 500 operations at 1 x IN
Ambient temperature -40...85 °C (-40...+185 °F)
Interrupting capacity
Icn to ISO10924
Absolute breaking
capacity to ISO 10924 ≥ 1 break operation at 2 000 A
(L/R = 2,5 ms)
Degree of protection
(IEC 60529) operating area IP40
terminal area IP00
Vibration 10 g (57-500 Hz) ± 0.76 mm (10-57 Hz),
to IEC 60068-2-6, test Fc, 10 frequency
cycles/axis
Shock 50 g (11 ms),
to IEC 60068-2-27, test Ea
Corrosion 96 hours at 5 % salt mist,
to IEC 60068-2-11, test Ka
Humidity 240 hours at 95 % RH
to IEC 60068-2-78, test Cab
Mass approx. 10 g
IN3...10 A 15 A 20 A 25 A
UN DC 24 V 400 A (0-C0-C0)
UN DC 48 V >100x
at 75 A
>100x
at 100 A
>100x
at 135 A
>10x at
200 A