RT16 Series knife contactor fuse

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Scope of application

It is applicable industrial electrical distributing installation of AC 50Hz ( or 60Hz ) rated voltage 500/690V and 400V, rated current 1250A and below. It is provided with the function of the protection against overload or short circuit.

Type and meaning

Main technical parameter

Outline and installation size

Fuse-carrier

circuit of rated voltage up to 1000V.
Mainly used to assemble and change RT16 senes low-voltage high breaking fuses in the

Q: What is the principle of choosing a fuse?: he limit breaking current of the fuse should be greater than or equal to the effective value of the short-circuit impulse current that may occur in the protection circuit

Q: Fuse is an overcurrent protection appliance.: the heat generated by the melt itself melts the melt and disconnects the circuit

Q: When choosing a fuse, you must consider several elements: (UL248-1 & 14), to the European Union, Australia, Japan, Korea, Singapore, Malaysia, Brazil and other 51 CB system of the member countries of the product, the use of European class fuse (IEC60127 -1/2/3, etc.).

Q: Where can the fuse be used?: it is possible to burn the circuit or even cause a fire

Q: Fuse fuse is what material: the melting point of the low melting point, because of its high resistivity, so the melt made of larger cross-sectional size

Q: Socket and fuse are connected to the zero line or FireWire: The fuse is a protective device, that is, when the circuit is grounded, short circuit and overload situation occurs,

Q: Fuse blown current and time: Fuse fuse is due to the current work to produce heat to achieve the fuse fuse point and fuse for circuit protection in the circuit P = I * I * R,

Q: When replacing the melt, it is required to: When replacing the new melt, check the internal burn of the fuse tube. If there is serious burn, replace the melted tube at the same time.