SX1 Hydraulic Magnetic Mini Circuit Breaker

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100 Pieces pc
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10000 Pieces per Month pc/month

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Hydraulic magnetic mini circuit breaker is mainly suitable for overload and short circuit protection. It adopts 

hydraulic magnetic trip instead of bimetal. So it has a high sensitivity and the ambient temperature does also 

not affect it. It is especially used for illumination and distribution in industry and commerce. 

They are mainly used for overload and short circuit protection within the circuit of AC 50/60Hz, rated voltage of single 

pole or double poles up to 240V, three poles up to 415V. They can also be used for an unfrequented switchover 

of the circuit and illumination under normal conditions. 



They comply with IEC 157-1973 BC4752-1977 and BS 3871 PART 1.




Rated current (A)


Rated voltage (V)

Breaking capacity


SF-G3  SX-G3












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Q:What parts are the fuses divided
Melt material has a relatively low melting point, stable characteristics, easy to fuse characteristics. Generally use lead-tin alloy, silver-plated copper, zinc, silver and other metals.
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:Fuse inspection check how to do?
check the appearance of the fuse damage, deformation, porcelain insulation part of the presence of flicker discharge traces.
Q:Why the neutral line can not fuse
The role of the fuse is that when it is in series circuit current High when the fuse overheats, burned, the circuit is broken
Q:What is the role of the circuit breaker
In general, the circuit breaker itself does not exist lubrication problems, the need for lubrication is often its operating mechanism
Q:What is the principle of choosing a fuse?
Otherwise, reliable short-circuit protection can not be obtained.
Q:Is the fuse blown directly with copper wire?
While the melting point of copper wire is much higher than the lead tin, the current is still not large when the fuse will damage the electrical. If you can not find it,
Q:What is the best material for electric brake fuses?
If the circuit is properly placed in the fuse, then the fuse will rise in the current to a certain height and heat, when the fuse itself cut off the current, so as to protect the safe operation of the circuit
Q:How to read the fuse ring
gold means 5%, silver means 10%. Note: colorless means 20%. Color and digital control brown red orange yellow green blue purple gray black gold and silver on behalf of the number 1 2 3 4 5 6 7 8 9 0 0.1 0.2 Nb represents the error% + 1-1 + 2-2 + 0.5-0.5 + 0.2-0.2 0.1 + 5-20 + 5-5 + 10-10 effective 0 number 1 2 3 4 5 6 7 8 9 0 -1 -2 cases have a resistance
Q:Why is there a diode icon on the fuse?
The light-emitting diodes connected to both ends of the FU are illuminated to indicate that the fuse has been blown.
We are a professional manufacturer engaged in the research, development, production, sale and service of Low voltage electrical products, such as AC contactors, MCBs, MCCBs and RCCBs. Selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as the Middle East, Southeast Asia, and so on. We also welcome OEM and ODM orders

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Location Zhejiang,China
Year Established 2010
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