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The on-load tap-changer for the highest voltages and transformer output rates.

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Field experience: Over 7,000 in use worldwide


Technical Data

Max. rated through-current single-phase: 3,000 A
Max. rated through-current three-phase: 1,200 A
Max. rated step voltage 4,000 V
Max. rated switching capacity single-phase: 6,000 kVA
Max. rated switching capacity three-phase: 3,000 kVA
Max. voltage for operational equipment Um 72.5 - 362 kV
Application At the neutral point(three-phase) or as single-phase unit at any selectable winding position up to 3,000 A.
Operating positions without change-over selector 18 max.
Operating positions with change-over selector 35 max.