DZ108 Series Circuit Breakers

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Q:How does the fuse be classified
According to the breaking capacity, can be divided into: high, low breaking capacity fuse.
Q:The difference between the fuse gG and the aR
fuse aR (DIN VDE / IEC) local range of semiconductor protection
Q:According to the breaking speed, can be divided into
Special slow fuse (usually expressed in TT).
Q:What is the principle of choosing a fuse?
of the protective object to provide reliable protection over the entire curve.
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:What is a semi-enclosed fuse
and is inserted into a porcelain box with a metal receptacle at both ends for use in low-pressure indoor use
Q:Is the home fuse fine fine or thick?
I suggest you use a 30A air switch, this can reduce a lot of trouble The
Q:What is the installation of the fuse.
The current and duration of the fuse pipe must be cut off (this condition is determined by the designer's protection requirements for the particular circuit).
Q:Why is there a diode icon on the fuse?
Parallel to the fuse at both ends of the light-emitting diode does not light, when the fuse is blown,
Q:Are there any resistance to the fuse?
Fuse blows and the principle is Joule's law

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