Trench Group

Country GermanyState BavariaCity BambergOfficial website ↗

World-renowned specialist in high-voltage and ultra-high-voltage condenser bushings (OIP, RIP, RIS) up to 1200 kV AC and ±800 kV HVDC for power transformers and shunt reactors.

Product categories

Bushings (HV, LV) High voltage insulators / porcelain / composite shells

Related components

Bushings & Terminations High-Voltage Insulators

Company record

CompanyTrench Group (Triton Partners)
RoleMANUFACTURER
LocationBamberg, Bavaria, Germany
Accessory categoriesBushings (HV, LV), High voltage insulators / porcelain / composite shells
Product familyCondenser bushings
Product / Trade namesSETUR RIP Bushings, Duresca RIS Bushings, COT OIP Bushings
Technology subtypesRIP, RIS, OIP, Composite
Voltage class & evidence1200 kV AC / 800 kV DC (HSP / Trench Bamberg)
Rated through-current40,000 A
Documented grades24 kV up to 1200 kV AC / 800 kV DC
Technical standardsIEC 60137, IEEE C57.19.00
Founded1899
Primary evidence citationTrench Group & HSP technical datasheets
Source tierTIER A
ProvenanceVerified · Source: official website · checked 14 Sept 2026

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