Starting protection time of self recovery fuse.charger fuse in car

　　The starting time of protection has regularity, firstly, it is inversely proportional to the size of the components; Compared to the size of electronic devices, i.e. in the same series, such as the software fuse of the 250V series product, the smaller the current, the smaller the electronic device, which is twice the normal current. Due to its small size, fast heating, and faster startup protection time. Compared to the size of the fault current, it is easy to understand that the larger the fault current, the faster the component heats up and the faster the protection.

　　When selecting a self recovery fuse, we all want to know whether the startup protection rate of the self recovery fuse is sufficient and immediate when a fault current occurs in the power circuit to protect the power circuit machine equipment.

　　There are many models of self recovery fuses, and the starting protection rate varies among different models. And the time period required for starting protection under different fault currents for the same model is also different.

　　When discussing the starting time of self recovery fuses, only a general category can be obtained. Unless a specific model is specified, a relative time value can be obtained from the corresponding current value. The protective posture response speed of a self restoring fuse is longer than that of sticking a fuse.

　　The starting time of protection has regularity, firstly, it is inversely proportional to the size of the components; Secondly, it is inversely proportional to the size of the fault current.

　　Compared to the size of electronic devices, i.e. in the same series, such as the software fuse of the 250V series product, the smaller the current, the smaller the electronic device, which is twice the normal current. Due to its small size, fast heating, and faster startup protection time.

　　Compared to the size of the fault current, it is easy to understand that the larger the fault current, the faster the component heats up and the faster the protection. For example, when the fault current is 3 or 4 times the normal working current, many models of protection time can be activated within 1 second.

Read recommendations:

30 amp resettable fuse

bimetallic thermostat works on the principle of

QC-SK 4

What is the difference between resettable fuses and traditional fuses?

Fuse arc extinguishing device.air conditioner fuse block pull-out replacement