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Ningbo Ville Electric Co., Ltd.

Fuse, Load Fuse, Load Switch manufacturer / supplier in China, offering Fuse with Load Isolator, 230kv Auto Power Transformer / Power Distribution Transmission /Power Transformer, Distribution Transformer/Power Substation and so on.

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Supplier Homepage Product Disconnecting Switch Fuse with Load Isolator

Fuse with Load Isolator

FOB Price: US $100-5,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100-5,000/ Piece
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Production Capacity: 50000 Sets/Year
Transport Package: Wooden Case or as Per Requirement
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: PRW-12F/200 Drop-off Type
  • Structure: Single-column Disconnector
  • Operation: Manual
  • Movement Mode: Plug-in Type
  • Grounding: Single Ground
  • Run: Plug-In
  • Common Model: YR
  • Certification: ISO, IS9001, ISO9001, ISO9002, ISO2000
  • Rated Voltage: 12kv
  • off/on Loading Current Times: ≥15
  • Specification: iEC CE, ISO
  • HS Code: 8504231300
  • Type: High-voltage
  • Installation: Indoor High-voltage
  • Grounding Mode: Grounding
  • Number of Poles: Unipolar
  • Series: Single-Stage
  • Switching Mode: Single Throw-in
  • Structure of Operating: Manual
  • Brand: Ville
  • Rated Current: 200
  • Trademark: VILLE
  • Origin: Ningbo China
Product Description
PRW-12F/200 type fuse is used for overload and short circuit protection and opening and closing load current in power distribution and distribution transformer with rated voltage 10kV, rated current less than 200A and frequency 50Hz.

This kind of fuse consists of three parts: Fuse base, load arc-extinguishing device and an arc-extinguishing device. Active and static contactor is of bridge structure. While fuse is in closing position, active and static contactor will be tightly pressed by compressed spring to guarantee a suitable pressure between contactors. A rotary torsion spring is equipped in the lower end of arc-extinguishing tube. When a fuse-element is put in the tube, the torsion spring will be screwed tightly, the fuse will be in drawing tightly condition to ensure the arc-extinguishing tube self-locked in closing position. When overload or short-circuit occurs, fuse-element will be melted and the fuse will be quickly drawn out from the fuse tube by the torsion spring. Meanwhile, a great deal of arc-extinguishing gas is produced in the fuse tube by electric arc heat energy to extinguish electric arc quickly. After electric arc-extinguishing, the voltage between the both ends of the fuse is regained. The fuse tube will be dropped out by its weight and a function of compressed spring with bridge contactors. So an obvious disconnected section will be produced. Arc-extinguishing tube is designed at a step by step gas-discharging type. While breaking a low current, gas produced will be released from the lower vent. While breaking a high current, the gas produced will be released from the upper cap to realize a gas release from both the top and the bottom, which meets the requirements of breaking different current in the same fuse.

Main Technical Data:
Rated Voltage12
Rated Current200
Rated Breaking Capacity Upper Limit200
Lower Limit400
Off/on Loading Current Times≥15
Weight (If silicon rubber equipped, the 2kg could be reduced.)7.8

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