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Технические характеристики
Off load tap changer HZ for oil immersed Transformers Bridge — 5 positions 150A — — Fixed contacts removable 30 kV — — Setting 2.5% per position — Control device with aluminium handle Available variants : — — Voltage classes : 20kV / 30kV — — — Current : 30 A / 63 A / 150 A 30 A / 63 A : Fixed contacts tubular, with internal diameter Ø3.1 / Ø5.1 150 A : Fixed contacts Tubular or Threaded — Removable — — Silverplating on fixed / moving / common contacts, on request — — Diagrams available : Bridge, Common output per phase, Series-Parallel, Star-Delta, multiple stages… — — Number of positions : 2 to 7 positions — Above 7 positions on special request — — Custom length of the shaft — — Control device with aluminium knob or handle — — Aluminium protective cover on the knob or the handle, on request Direct drive operation, from side wall of tank, or cover of Transformer Fixing on tank, or cover, or active part of Transformer : • by bolting of main bracket on tank, cover or active part of Transformer • by bolting of additional support (metallic bracket or insulating hook) on tank, cover or active part of Transformer • driving shaft boss to be welded on tank or cover of Transformer Length of shaft to be required when ordering, no limit in length Twinned units on several stages (identical or different) are available Current ratings : • 30 A with tubular stationary contacts dia 3.1 x 5.0 mm • 63 A with tubular stationary contacts dia 5.1 x 7.0 mm • 150 A with removable tubular contacts
