Fuse Link NH3 of Different Sizes

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Product Description:

■ gG NH/NT Fuse-links
NH Protection

1. Product Description:

Is a non resettable disposable thermal protection device, low melting point alloy type RH, RF, RS series and organic chemistry type ry series, (such as electric fan, a motor, a transformer, electric cooker, the electric frying pan, disinfection cabinet, electric heating thermos, etc.). Fuse the temperature fuse in the equipment line, when the equipment does not work properly and lead to the temperature rise to set the protection value, the temperature fuse action to cut off the circuit, to prevent the safety accident.


2. Product Characteristic:

The product has a compact structure, good sealing performance, high sensitivity and reliability of action, low impact of electric current and vibration resistance, which is mainly used in the thermal protection of household appliances and industrial equipment.



Rated voltage:500V/690V AC   Rated breaking capacity:100kA
Standard specifications:IEC60269-2-1 EN60269-2-1 NFC63-210 UNE21.103 Class:gG-gL



With indicator

With striker


Order NO.


Order NO.


NH3/NT3 Fuse Link



2250 315

2150 315



2250 355

2150 355


2250 400

2150 400


2250 425

2150 425


2250 250

2150 250


2250 600

2150 600


4. Reference Picture:



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Q:When choosing a fuse, you must consider several elements
The size of the fuse used depends on the circuit space and the way the fuse is installed
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:What is the installation of the fuse.
If there is a starting current in the circuit, the starting current is normal in some circuits. In this case, the delay type and the medium delay type fuse tube should be used.
Q:What is the self-recovery fuse:
The use of metal sodium as a melt, at room temperature with high conductivity.
Q:Why the resistance of the fuse to be large
The size of the current and the resistance determines the rate at which the heat is generated. The structure of the fuse and the condition of its installation determine the rate of heat dissipation. If the velocity of heat is less than the rate of heat dissipation, the fuse will not blow
Q:What is the significance of the voltage on the fuse?
o the rated voltage is essentially insignificant. When the rated voltage of the fuse is selected , Generally require its rated voltage equal to or greater than the effective circuit voltage.
Q:Is the fuse blown depending on the size of the current flowing through it?
Only in this way the fuse can be safe and effective work, otherwise, in the fuse fuse will appear continuous arcing and voltage breakdown and harm the phenomenon of the circuit.
Q:Quickly disconnect the fuse and cut off the fuse slowly
Slow-breaking fuses remain intact when there is a non-faulty pulse current (such as a pulse generated by a switch), and a long-term current overload is protected, and there is no such function
Q:Where the induction cooker fuse is located
one-time over-voltage protection components, only a moment into the high voltage, such as 380V, or lightning, the general situation is very bad chance of bad
Q:The difference between the fuse and the air switch
fast fuse is mainly when there is short-circuit over-current, over-voltage can be timely blow to protect the load and line normal to prevent accidents, failure to expand.

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