VACUTAP® VR®

The VACUTAP® VR® type family offers a real alternative to the on-load tap-changers from our extensive OILTAP® R/RM and M program.

• Maintenance-free up to 300,000 tap-change operations with no time component. The figure for the VR I HD is 600,000 tap-change operations.
• Change of vacuum interrupters only after 600,000 tap-change operations. The figure for the VR I 1601 is 300,000 tap-change operations.
Exchange of the diverter switch insert after 1.2 million tap-change operations
Intended for selected alternative insulating fluids
Intended for operation in earthquake-prone areas
Also available in EX protection version with TAPMOTION ® ED motor-drive unit
Field experience: Over 13,000 pieces in use worldwide

Max. rated through-current single-phase	1,600 A or 2,600 A
Max. rated through-current three-phase	1,300 A
Max. rated step voltage	4,000 V
Max. rated switching capacity single-phase	3.750 kVA
Max. rated switching capacity three-phase	3.000 kVA
Highest voltage for equipment Um:	72,5 – 362 kV
Application at neutral point (three-phase) or at any selectable winding position (single-phase up to 2,600 A / 6,000 kVA).*
Operating positions without change-over selector	18 max.
Operating positions with change-over selector	35 max.

For more details please see our technical data.
* Forced current splitting by two parallel winding branches required.