Thermal Automotive Circuit Breakers

Thermal automotive circuit breakers are devices used to break the flow of current in automotive circuits, in order to protect them against a fault such as overcurrent or short circuit.

The thermal aspect of this type of circuit breaker allows for smaller overcurrents over a longer period of time, but will quickly trip the circuit for larger overcurrents. This is useful in the case of motors, as there will be a small overcurrent each time the engine is switched on for a short length of time, which should not trip the circuit.

What are thermal automotive circuit breakers used for?

Thermal automotive circuit breakers are used to protect electrical networks in most types of vehicles, including cars, vans, buses, and boats.

Types of thermal automotive circuit breakers

Thermal automotive circuit breakers all function in the same way, but they can differ according to a number of different characteristics. They can have varying current and voltage ratings, width dimensions, and numbers of poles.


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Omschrijving Prijs Current Rating Number of Poles Width Voltage Rating Breaking Capacity at Maximum Voltage Rating CAD Drawing Series
RS-stocknr. 854-431
Fabrikantnummer1170-21-6A
FabrikantETA
14,04 €
Each
Aantal stuks
6A 1 22mm 28V dc - - 1170
RS-stocknr. 729-2726
Fabrikantnummer1616-21-5A
FabrikantETA
14,95 €
Each
Aantal stuks
5A 1 6mm 32V dc - - -
RS-stocknr. 729-2732
Fabrikantnummer1616-21-15A
FabrikantETA
14,83 €
Each
Aantal stuks
15A 1 6mm 32V dc - - -
RS-stocknr. 652-3414
Fabrikantnummer0700020
FabrikantPhoenix Contact
7,488 €
Each (In a Pack of 5)
Aantal stuks
20A SP 6mm 32 V dc 150 A 3D CAD Model -
RS-stocknr. 728-8692
Fabrikantnummer129-L11-H-KF-16A
FabrikantETA
22,90 €
Each
Aantal stuks
16A 1 11.5mm - - - -
RS-stocknr. 652-3385
Fabrikantnummer0700005
FabrikantPhoenix Contact
7,488 €
Each (In a Pack of 5)
Aantal stuks
5A SP 6mm 32 V dc 150 A 3D CAD Model -
RS-stocknr. 854-475
Fabrikantnummer1170-21-20A
FabrikantETA
14,04 €
Each
Aantal stuks
20A 1 22mm 28V dc - - 1170
RS-stocknr. 729-2745
Fabrikantnummer1616-21-25A
FabrikantETA
15,57 €
Each
Aantal stuks
25A 1 6mm 32V dc - - -
RS-stocknr. 854-469
Fabrikantnummer1170-21-15A
FabrikantETA
14,74 €
Each
Aantal stuks
15A 1 22mm 28V dc - - 1170
RS-stocknr. 854-447
Fabrikantnummer1170-21-8A
FabrikantETA
18,02 €
Each
Aantal stuks
8A 1 22mm 28V dc - - 1170
RS-stocknr. 728-8695
Fabrikantnummer129-L11-H-KF-8A
FabrikantETA
22,90 €
Each
Aantal stuks
8A 1 11.5mm - - - -
RS-stocknr. 723-4825
Fabrikantnummer1626-3H-15A
FabrikantETA
8,93 €
Each
Aantal stuks
15A 1 7mm 29V dc - - -
RS-stocknr. 723-4831
Fabrikantnummer1626-3H-30A
FabrikantETA
11,06 €
Each
Aantal stuks
30A 1 7mm 29V dc - - -
RS-stocknr. 854-481
Fabrikantnummer1170-21-25A
FabrikantETA
14,74 €
Each
Aantal stuks
25A 1 22mm 28V dc - - 1170
RS-stocknr. 723-4828
Fabrikantnummer1626-3H-7.5A
FabrikantETA
11,06 €
Each
Aantal stuks
7.5A 1 7mm 29V dc - - -
RS-stocknr. 723-4837
Fabrikantnummer1626-3H-25A
FabrikantETA
10,53 €
Each
Aantal stuks
25A 1 7mm 29V dc - - -
RS-stocknr. 723-4834
Fabrikantnummer1626-3H-20A
FabrikantETA
11,06 €
Each
Aantal stuks
20A 1 7mm 29V dc - - -
RS-stocknr. 729-2720
Fabrikantnummer1616-21-7.5A
FabrikantETA
15,57 €
Each
Aantal stuks
7.5A 1 6mm 32V dc - - -
RS-stocknr. 723-4819
Fabrikantnummer1626-3H-5A
FabrikantETA
10,53 €
Each
Aantal stuks
5A 1 7mm 29V dc - - -
RS-stocknr. 729-2701
Fabrikantnummer129-L11-H-KF-25A
FabrikantETA
22,90 €
Each
Aantal stuks
25A 1 11.5mm - - - -
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