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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Description Price Current Rating Width Voltage Rating Breaking Capacity at Maximum Voltage Rating Overall Depth Overall Dimensions Overall Length Series Number of Poles
RS庫存編號 851-1959
製造零件編號CB181P-110
HK$1,100.76
單位
110A - 30V - - - - - 1
RS庫存編號 723-4819
製造零件編號1626-3H-5A
BrandETA
HK$92.66
單位
5A 7mm 29V dc - - - - - 1
RS庫存編號 854-481
製造零件編號1170-21-25A
BrandETA
HK$129.73
單位
25A 22mm 28V dc - - - - 1170 1
RS庫存編號 729-2720
製造零件編號1616-21-7.5A
BrandETA
HK$137.05
單位
7.5A 6mm 32V dc - - - - - 1
RS庫存編號 652-3436
製造零件編號0700010
HK$102.938
/個 (每包:5個)
單位
10A 6mm 32V dc 150 A 24mm 24 x 6 x 20.3mm 20.3mm TCP 10/DC32V 1
RS庫存編號 729-2726
製造零件編號1616-21-5A
BrandETA
HK$131.56
單位
5A 6mm 32V dc - - - - - 1
RS庫存編號 723-4831
製造零件編號1626-3H-30A
BrandETA
HK$92.66
單位
30A 7mm 29V dc - - - - - 1
RS庫存編號 854-475
製造零件編號1170-21-20A
BrandETA
HK$123.55
單位
20A 22mm 28V dc - - - - 1170 1
RS庫存編號 652-3458
製造零件編號0700015
HK$102.938
/個 (每包:5個)
單位
15A 6mm 32V dc 150 A - - - TCP 15/DC32V 1
RS庫存編號 729-2701
製造零件編號129-L11-H-KF-25A
BrandETA
HK$191.96
單位
25A 11.5mm - - - - - - 1
RS庫存編號 652-3442
製造零件編號0700025
HK$102.938
/個 (每包:5個)
單位
25A 6mm 32V dc 150 A 24mm 24 x 6 x 20.3mm 20.3mm TCP 25/DC32V 1
RS庫存編號 854-469
製造零件編號1170-21-15A
BrandETA
HK$119.85
單位
15A 22mm 28V dc - - - - 1170 1