Fully Sealed Distribution Transformer, 10 kV (Um 12 kV), 30–2500 kVA — S11-M

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Oil-Immersed Transformers
30 – 2500 kVA10 kV / 0.4 kV

The S11-M series is the proven workhorse of 10 kV distribution networks. A wound-core design and oxygen-free copper windings keep losses in check at a price point that suits large roll-outs, while the corrugated tank removes the conservator altogether — no oil top-ups, no silica gel, no routine inspection.

Model / SeriesS11-M-30~2500/10
Rated Capacity30 – 2500 kVA
Voltage Level10 kV / 0.4 kV
Um (IEC 60071-1)12 kV
PhaseThree-phase
Cooling MethodONAN
Executive StandardIEC 60076 / GB 1094
  • Corrugated sealed tank, maintenance-free
  • Low loss wound core
  • Dyn11 or Yyn0 vector groups
  • Off-circuit tap changer ±2×2.5%
  • Optional oil thermometer and pressure relief

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