RL6 Series screw-type fuse

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It is applicable circuit of AC50Hz (or 60Hz), rated voleage up to AC500V, rated current up to 63Aused for the function of the protection against short cirucit or overload fot electrical installation.


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Q:Fuse according to the breaking current range can be divided into several
This fuse is often used in series with the contactor, the overload current is less than the rated current of 4 to 7 times the range, by the contactor to achieve breaking protection. Mainly used to protect the motor.
Q:Selection of melt rated current
under the action of short-circuit current and allow overload current ,
Q:Fuses should be repaired with the power distribution unit at the same time:
check the fuse, the melt and the protected circuit or equipment is matched, if any problems should be investigated.
Q:Why does the rated current of the fuse be based on the effective value as a standard?
The rated current of the fuse depends on the heat generated by the current flow does not cause the fuse to blow.
Q:If it is possible, is it possible to have an electric shock?
the provisions of the allowable deviation of the rated voltage of -10%, +7%! If the voltage is 170V can be determined and the supply
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:How does the fuse be classified
According to the standard points, can be divided into: European regulations fuse, the United States regulatory fuse, the Japanese regulatory fuse.
Q:Is the fuse blown depending on the size of the current flowing through it?
This shows that the fuse can only be placed in the operating voltage is less than or equal to the rated voltage fuse circuit.
Q:What is the fuse of the fuse?
The rated current of the melting tube is the current value determined by the permissible temperature rise of the long-term operation of the melt pipe.
Q:The difference between the fuse and the air switch
The air switch is normally used for the opening and closing of the main power supply, and the quick fuse is used for the protection of a single electrical equipment

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