Fuse switch and fuse pullers

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Fuse switch and fuse pullers

Q: The main parameters of the fuse selection: Usually in the DC circuit, using 10 times the rated current as the fault current, so that the fuse in a very short period of time off, through high-speed oscilloscope

Q: How do I use a multimeter to detect if the fuse is broken: The method is to switch the multimeter to the voltage file position, (AC switch to the AC block, DC switch to the DC block) first check the two fuse on the pile head voltage (should be normal), and then check the two fuse under the pile head Voltage

Q: Circuit breaker and fuse in the role of what in common: Fuse is actually a short circuit protector, widely used in power distribution systems and control systems, mainly for short circuit protection or severe overload protection.

Q: Can the fuse be connected to the zero line?: then from the zero line to the whole line is the power line ! For maintenance is not very safe! Why does the voltage at home fail to reach 220V

Q: When the melt is blown, what are the possible reasons: short circuit fault or overload operation and normal blow

Q: Fuses are generally not overloaded.: Overload protection: generally refers to the increase in load current can take measures to limit the protection of equipment.

Q: The fuse is to prevent the circuit: the circuit will produce a lot of current through the fuse, the fuse will heat cut off the power to achieve the role of protection circuit to prevent the circuit

Q: What are the fuse, automatic repair fuse what principle: Fuses for overcurrent protection are commonly known as fuses (also known as current limiting fuses)

Q: What are the hidden faults of the automatic reset fuse?: Can automatically reset the fuse, in fact, before N years already have, but applied in other areas, and now the field of electric faucet has emerged some unprofessional manufacturers claim to use the domestic first fuse automatic reset technology

Q: Fuse always burn Is the line short circuit yet?: the insurance has not been burned, indicating that all electrical work is normal no problem, while the use of electrical insurance It will burn, indicating that beyond the load, you can properly replace the fuse.

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