ABB High Voltage Fuses - WBT Range, DC Railway Fuses 1.9kV - 4kV

ABB High Voltage Fuses

ABB WBT range of indoor railway DC fuses for rail traction applications are characterised by high rupturing capacity, short circuit current limiting and low switching voltages.

ABB WBT High Voltage Fuses
ABB WBT Indoor Rail Traction High Voltage Fuse Links - Applications
DC traction fuse links are used to protect traction substation and electric traction rolling stock equipment against the effects of overloads greater than 2 x 1, and of short circuits at voltages of 1.9kV DC and 4kV DC. 

  • Protection against the effects of short-circuits and overloads in the electric circuits of railway traction substation equipment.
  • Protection against the effects of short-circuits and overloads in electric circuits of traction vehicles, rail-coach space-heating equipment and electric locomotive.
  • Protection against the effects of short-circuits and overloads in electric single and multi-voltage circuits of rail-coach-space-heating equipment.
  • Protection against the effects of short-circuits and overloads in the electric single - and multi - voltage circuits of rail coach space heating equipment as well as other dc circuits at traction vehicles.  Dimensions of these fuse -links meet the requirements of German Standards DIN 43625.
  • Protection against the effects of short circuits and overloads in the voltage measurement circuits and special electric equipment in traction vehicles, if the normal loads are lower than 1 A.
  • Protection against the effects of short-circuits and overloads in electric circuits of traction substation equipment and vehicles operating at a rated voltage of not higher than 1900 V DC.
  • A devise for carrying repaceable parts in the form of types WBTS, WBTG and WBTGI mounted outside electric circuits in electric locomotive.

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