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GIS surge arrester 3ES2, metal-oxide, metal-enclosed for gas-insulated switchgear — detailed ratings on request

3ES2
  • Official product family in the Surge Arresters product line, Gas Insulated Arresters (3ES/T/Y) group — protects gas-insulated switchgear (GIS) against lightning and switching overvoltages
  • Column of metal-oxide varistor blocks diverts surge energy to earth and limits the overvoltage to the arrester's residual voltage; carries only a small leakage current in normal service
  • Gas-insulated, enclosed design for installation directly on the GIS, so the protective level acts immediately at the protected compartments
  • Belongs to the Siemens Energy GIS arrester range covering AC/DC system voltages from 72.5 kV up to 800 kV
  • Type-tested arrester portfolio according to IEC and IEEE standards, manufactured in Berlin, Germany and Wuxi, China
  • Family-specific ratings (Ur, Uc, nominal discharge current In, energy handling, dimensions) available on request
Gas-insulated switchgear (GIS)Substation overvoltage protection
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3ES2 covers 72.5–800 kV of the hv station arresters range (≤ 800 kV across the category, √ scale).

Specifications

Documents & downloads

Brochure Portfolio of Surge Arresters & Composite Insulators — GIS arrester segment View online · Download PDF ⭳
Datasheet Technical datasheet 3ES2 — available on request PDF · EN ·
Brochure Our portfolio of surge arresters & composite insulators — GIS arrester segment (current online edition) View online · Download PDF ⭳

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