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 is the role of thermal fuse
Mainly to protect the electrical equipment due to overheating and burn electrical appliances, such as the motor is the use of thermal protection to protect the motor.
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:Selection of melt rated current
Because a variety of electrical equipment has a certain overload capacity, allowing a long time under certain conditions to run;
Q:When replacing the melt, it is required to
When replacing the new melt, check that the melt rating matches the device being protected.
Q:Fuse F5AL250V said what
when the fuse itself cut off the current, so as to protect the safe operation of the circuit.
Q:What is the significance of the voltage on the fuse?
imilar to the neon bulb principle. Will make short circuit has a current through, to expand the fault. The The But also cause danger.
Q:What material can be used to make fuse fuse
The shape of the melt is divided into filament and ribbon.
Q:What is an open fuse
supported by the porcelain column, no bearing, suitable for low pressure outdoor use.
Q:If it is possible, is it possible to have an electric shock?
Before the test table did not? 170V voltage should not be so low! Standard requirements: for 220V single-phase power supply
Q:Why does the rated current of the fuse be based on the effective value as a standard?
All other breakers are represented by the rated current. Only a very small limit current switch may be expressed by the peak curren
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

1. Manufacturer Overview

Location Zhejiang,China
Year Established 2010
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