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 Number of Poles Width Voltage Rating Breaking Capacity at Maximum Voltage Rating Mounting Style Overall Depth Overall Dimensions Overall Length Reset Actuator Type Series Terminal Contact Type
RS庫存編號 728-8698
製造零件編號129-L11-H-KF-15A
BrandETA
HK$158.88
單位
15A 1 11.5mm - - - - - - - - -
RS庫存編號 723-4834
製造零件編號1626-3H-20A
BrandETA
HK$98.77
單位
20A 1 7mm 29V dc - - - - - - - -
RS庫存編號 854-453
製造零件編號1170-21-10A
BrandETA
HK$130.60
單位
10A 1 22mm 28V dc - - - - - - 1170 -
RS庫存編號 729-2739
製造零件編號1616-21-10A
BrandETA
HK$109.92
單位
10A 1 6mm 32V dc - - - - - - - -
RS庫存編號 854-475
製造零件編號1170-21-20A
BrandETA
HK$128.71
單位
20A 1 22mm 28V dc - - - - - - 1170 -
RS庫存編號 854-481
製造零件編號1170-21-25A
BrandETA
HK$107.50
單位
25A 1 22mm 28V dc - - - - - - 1170 -
RS庫存編號 728-8695
製造零件編號129-L11-H-KF-8A
BrandETA
HK$160.33
單位
8A 1 11.5mm - - - - - - - - -
RS庫存編號 729-2732
製造零件編號1616-21-15A
BrandETA
HK$105.07
單位
15A 1 6mm 32V dc - - - - - - - -
RS庫存編號 728-8692
製造零件編號129-L11-H-KF-16A
BrandETA
HK$202.82
單位
16A 1 11.5mm - - - - - - - - -
RS庫存編號 878-1287
製造零件編號0813050.ZXST
BrandLittelfuse
HK$95.79
單位
50A - - 12V - Chassis - - - Automatic 08130 Box Lug
RS庫存編號 723-4831
製造零件編號1626-3H-30A
BrandETA
HK$78.62
單位
30A 1 7mm 29V dc - - - - - - - -
RS庫存編號 729-2748
製造零件編號1616-21-30A
BrandETA
HK$113.45
單位
30A 1 6mm 32V dc - - - - - - - -
RS庫存編號 851-1454
製造零件編號UCB-15
HK$87.16
/個 (每包:10個)
單位
15A 1 - 12V - - - - - - - -
RS庫存編號 729-2745
製造零件編號1616-21-25A
BrandETA
HK$105.07
單位
25A 1 6mm 32V dc - - - - - - - -