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  W Type High Voltage Fuse
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 product presentation
H.V HRC current-limiting fuses type W motor protection Is mainly used in AC 5OHz.rated voltage 3.6-10KV,rated
current up to 400A(3.6KV).224A(7.2KA)circuit for protecting motor and power equipment form overload and
short-circuit. It can also be used withload switch,vacuum contact.It conforms to IEC282-1. IEC644. BS and GB15166.2.

W type H.V HRC current-limiting fuses has two installation:bus-bar installation and insert installation.lt is small in volume.reliable inconnection The power striker parallels to the fuse element made from pure silver They are sealed in the fuse tube filled with chemically treated high-pu rity qua rtz sand.The afuse is made from heat resistant,high duty ceramic or epoxy glass.When fault circuit happens the fuse link metlts,the high-resistant metal wire paralleling to fuse link melts immediatedly at the appearamce of the arc,and the strikerjumps out to push the chained equipment contact, signaling the melting or automatically cutting the circuit.W type H.V HRC current-limiting fuse has many merits as high current-limiting ability,high breaking capacity,quick and punctual in action,reliable in performance.

Key Specifications/Special Features: 

1. Motor protection 

2. High breaking capability 

3. High voltage current limiting fuse 

4. Suitable for electrical power system of AC 50Hz, rated voltage 10kV and below, rated current up to 400A(3.6KV), 224A(7.2KV) circuit for protecting motor and other power equipment from overload and short-circuit. 

5. High-pressured fuse conforms to the national GB15166.2 standard and the international electrical committee IEC 60282 standard as well as German DIN standard and British BS standard.

Foreign Model
 (mm)    Length
(mm)   Foreign Model

Department Model Rated voltage (kV) Rated current (A) Rated breaking current (kA) Diameter
WDF. O XRNM1 3.6 31.5, 40, 50, 63, 80, 100, 125 50 51 254
WFF. O XRNM1 3.6 125, 160, 200 50 76 254
WKF. O XRNM1 3.6 250, 315, 355, 400 50 76 254
WFN. O XRNM1 7.2 25, 31.5, 40, 50, 63, 80, 100, 125, 160 40 76 403
WKN. O XRNM1 7.2 200, 224 40 76 403
  XRNM1 10 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 224 40 76 600

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