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car fuse holder< /a>In the process of use, its fuse can accept the overload that must be planned due to its power supply or external disturbance current fluctuations to a certain extent, When there is a relatively large overload current in the circuit in the car fuse holder, the fuse should block the overload current within a fixed period of time.

The car fuse holder can maintain the safety of other electronic components in the circuit to a certain extent. When a short circuit occurs in the circuit, it will present a large The fuses can safely block their circuits when the current is running, which will prevent them from being damaged by the overcurrent.

The fuse in the car fuse holder can be used at a voltage equal to or less than its rated voltage, but generally cannot be used when the circuit voltage is greater than In a circuit with a rated voltage of the fuse, the voltage drop in the device, the rated current is passed to the fuse.

The thermal balance of the fuse holder, that is, the voltage measured at both ends when the temperature is stable, and the voltage drop across the fuse, will affect the circuit to a certain extent. There is a certain influence, so there is a clear rule for voltage drop in the rule, which is not required in the US rule. The overload current in the car fuse holder mainly refers to the current flowing in the circuit that is higher than that during normal operation. If the overload current cannot be blocked, it may cause damage to other electronic components in the circuit.