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Disconnectors Without Earthing Switch


Disconnectors Without Earthing Switch

HV disconnectors are effective switchgear equipment, capable of switching operations on overhead transmission. The function of air-break disconnector in high voltage power systems is to provide electrical and visible isolation of one part of the system.

Frequency : 50Hz, 60Hz

Standards: TSE, IEC, ANSI, GOST, BS&AS and other standards upon request

Insulators: Porcelain or Composite Polymer Insulators

Maintenance: Maintenance free

Spare Parts: No special tools, no serviceable parts or spare parts are required

Technical Details
Type Tests


  • 50 Hz, 60 Hz

Thermal and Dynamic Ratings

  • Short time thermal current ratings up to 40 KA/ 3 sec and dynamic current ratings up to 100 KA peak.


  • Brown, Grey glazed porcelain or polymer.

Primary Terminals

  • Primary terminals are made from silver plated copper.

Earthquake Design

  • Standard design is up to 0.6g.

Ambient Temperature

  • Standard design is suitable for temperature range -50 °C to +50°C. Other ranges on request. Mechanical Strength

  • Applied load to the primary terminal in horizontal and vertical is in conformity with IEC 60044.1 and IEC 60186.


  • Standard design is suitable up to 1000 m above sea level.

Optional Accessories

  • Steel support structure

  • Primary connectors

Spare Part & Special Tools

  • There are no user serviceable parts, therefore no spare parts or special tools are required for maintenance.


  • The disconnector switches are packed in rugged wooden crates which are suitable for overseas transportation.

  • The transformers are encapsulated in polyethylene covers to keep them from environmental effects.

  • Wooden crates can be lifted by either a fork lift or by a crane with slings.

  • Other technical specifications may be available upon request.
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(+90) -312 -398 -0181
(+90) -312 -398 -0474
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About Us

Emek is a labor-independent, internationally operating manufacturer of instrument transformers.

Its reliable and high quality products have been repeatedly tested in local and international laboratories. Its experience has been strengthened with transformers working in the system for half a century, it has improved and renewed itself every day.

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