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HRW12-12Outdoor high voltage drop fuse

Outdoor high-voltage drop fuse is a kind of short-circuit protection switch commonly used in 10kV distribution line branch line and distribution transformer. It has the characteristics of economy, convenient operation and strong adaptability to outdoor environment. It is widely used in 10kV distribution line and primary side of distribution transformer for protection and equipment switching operation.
华拓集团
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Product overview

Outdoor high-voltage drop fuse is a kind of short-circuit protection switch commonly used in 10kV distribution line branch line and distribution transformer. It has the characteristics of economy, convenient operation and strong adaptability to outdoor environment. It is widely used in 10kV distribution line and primary side of distribution transformer for protection and equipment switching operation.

The drop fuse is installed on the branch line of 10kV distribution line, which can reduce the scope of power failure. Because it has an obvious disconnection point and has the function of disconnector, it creates a safe working environment for the lines and equipment in the maintenance section and increases the sense of safety of maintenance personnel. Installed on the distribution transformer, it can be used as the main protection of the distribution transformer. Therefore, it has been popularized in 10kV distribution lines and distribution transformers.

Working conditions
◊ Ambient temperature: applicable to the upper limit of 40 ° C and the lower limit of - 30 ° C;
◊ Altitude: the altitude shall not exceed 1000m, and the wind speed shall not be greater than 35m / S;
◊ Maximum wind speed: no more than 35m / S;
◊ Seismic intensity: the seismic intensity shall not exceed 8 degrees;
◊ The product is not applicable to the following places: places with combustion or explosion hazards; Places with violent vibration or impact; There are conductive, chemical gas and seriously polluted salt fog areas.

 

Model meaning

HRW

12

12

200

16

Outdoor high voltage drop fuse with composite insulating support Design serial number Rated voltage Rated current Rated circuit breaking current

RW

12

12

200

16

Outdoor high voltage drop fuse with porcelain insulated support Design serial number Rated voltage Rated current

Rated circuit breaking current

 

Technical parameter

Entry name Company Technical parameter
Rated voltage

kV

12

Rated frequency

Hz

50

Rated current

A

200

Temperature rise test current

A

200

Rated power frequency Imin withstand voltage (phase to ground)

kV

42

Rated power frequency Imin withstand voltage (fracture)

kV

48

Peak value of rated lightning impulse withstand voltage (phase to ground)

kV

75

Peak value of rated lightning impulse withstand voltage (port)

kV

85

Mechanical stability  

500

 

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