What are the possible consequences if you buy a bad fuse?

We all know that poor quality fuses can have adverse effects on circuits, but what exactly are they?

● First, poor quality fuses can cause overloading of a circuit. The main function of the fuse is to detect and cut off overload current in the circuit to protect the safe operation of electrical equipment and circuits. However, poor quality fuses may not be able to accurately detect overload current and cut off the circuit in time when needed. This will cause the current in the circuit to exceed the rated value, which may cause serious consequences such as equipment burnout and line short circuit.

● Secondly, poor quality fuses may lead to frequent blowing and power outages. In a circuit, if the contacts of the fuse are in poor contact or the internal components are of inferior quality, the fuse may frequently trigger fusing actions, resulting in instability and unreliability of the circuit. Frequent fuses will cause circuit interruptions and power supply interruptions, causing inconvenience to daily life and production.

● In addition, poor quality fuses may leak current. Leakage is the leakage of electrical current from the insulation of electrical equipment or wiring. If the insulation material of the fuse is of poor quality or has poor contact, it may cause current leakage, posing a threat to personal safety and equipment safety.

● Finally, poor quality fuses can make troubleshooting a circuit difficult. When a circuit fault occurs, poor quality fuses may not be able to accurately determine the location and cause of the fault. This will make troubleshooting difficult, extend repair time, and increase repair costs.

In short, poor quality fuses have many effects on the circuit, including overload, frequent blowing and power outages, leakage, and difficulty in fault diagnosis. In order to ensure the safe and stable operation of the circuit, it is crucial to choose fuses with reliable quality.