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Composite hollow-core insulators 3FH — apparatus housings for breakers, bushings and instrument transformers; detailed ratings on request

3FH
  • Official product family under the insulator portfolio in the GT product hierarchy (Hollow Insulators, 3FH)
  • Hollow-core composite construction: a resin-impregnated fibreglass tube provides the mechanical structure, with silicone-rubber sheds moulded or mounted on the outside — the housing technology the catalog's composite hollow-core arresters (3EQ series) also use
  • Typical duties: housings for circuit-breaker poles, cable terminations, bushings, surge arresters and instrument transformers
  • Family-specific dimensions, pressure ratings and creepage data are not part of the currently digitized document set — detailed ratings and drawings are available on request
Circuit-breaker housingsBushing housingsSurge-arrester housingsInstrument-transformer housings
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Specifications

Documents & downloads

Datasheet 3FH hollow-core insulator technical data — available on request PDF · EN ·

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