Insulators and hardware for overhead lines and substations

String protection fittings (arcing horns and shields, corona rings)

Protection fittings for insulator strings protect the insulators from flashover arcs and reduce corona discharge and radio interference. The range includes arcing horns, protective rings and grading rings.

Type: arcing protection fittings, protective and grading rings
Purpose: diverting the flashover arc from insulators, field grading, corona reduction
Versions: for HV/EHV and HVDC overhead lines (enlarged radii, smooth surfaces)

Request a quote Email sales@usk.ua

Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.

Description

Arcing elements divert the flashover arc away from the insulator surface. The rings even out the electric field along the string and reduce corona. For HV, EHV and HVDC overhead lines the parts have enlarged radii and smooth surfaces. Sizes depend on voltage class and string type.

Technical specifications

Type	arcing protection fittings, protective and grading rings
Purpose	diverting the flashover arc from insulators, field grading, corona reduction
Versions	for HV/EHV and HVDC overhead lines (enlarged radii, smooth surfaces)

Request a price and lead time

String protection fittings (arcing horns and shields, corona rings). We reply within one business day.

Or email sales@usk.ua or call 044 339-50-20.

Customs codes

UKTZED (Ukraine)	7326 90 98 90
HS, 6 digits	7326 90
CN (EU)	7326 90 98
HTSUS (USA)	7326 90 86 88
China customs tariff	7326 90 19 90

Codes are for reference: the final code is determined at declaration for the specific model.

Questions and answers

What are string protection fittings for?

They divert the flashover arc away from the insulators, even out the field and reduce corona and radio interference.

Are there versions for HVDC lines?

Yes, parts with enlarged radii and smooth surfaces are available for HV, EHV and HVDC overhead lines.

What does the range include?

Arcing horns, protective rings and grading rings for insulator strings.

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