Elektroporcelan
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  Izolatori za nadzemne vodove do 1 kV Izolatori za nadzemne vodove do 1 kV

This group of low voltage insulators may be divided into three categories:

  • Pin type insulators
  • Strain type insulators
  • Fuse insulators

Insulators are made of special porcelain mass C120 according to IEC-672-3 (JUS N.A8.302)

Production program of this type of insulators includes:

  • Pin type lines insulators, type "D"
  • Pin type insulators with solid core
  • String insulator units made of porcelain and glass
  • Long-rod string units made of porcelain

Insulators are made of special porcelain mass C120 according to IEC-672-3 (JUS N.A8.302) ; glass insulators are made according to IEC-672-3 (JUS N.A8.302) Grupa G-320


This group includes some of the insulators applicable to overhead telecommunication lines.

Insulators are made of special porcelain mass C120 according to IEC-672-3 (JUS N.A8.302)

Insulators of this group include:

  • Support insulators for indoor use with working voltage up to 38 kV
  • Support insulators for outdoor use with working voltage up to 550 kV
  • Hollow insulators
  • Rotating insulators
  • Wall bushings for indoor use and outdoor/indoor use with working voltage up to 38 kV
  • Transformer bushings with working voltage up to 38 kV

Insulators are made of special porcelain mass C120 according to IEC-672-3 (JUS N.A8.302)

Insulators of this group include insulators for overhead traction lines, and are divided into two groups:

  • Long-rod insulators with solid core
  • Pin type insulators

Long-rod insulators with solid core are usually used for 25 kV 50 Hz alternating voltage trolley lines.

These insulators are manufactured with increased leakage distance.

Pin type insulators are designed with DELTA shape for use in direct current overhead traction lines.

Insulators are made of special porcelain mass C120 according to IEC-672-3 (JUS N.A8.302)

Depending on application field, these elements are divided into:

  • Low voltage fuses type "D"
  • Low voltage fuses type "DO"
  • Lamp holders
  • Connectors Great Breaking Capacity Low voltage fuses
  • Great Breaking Capacity Low voltage fuse base
  • Switch boards
  • High voltage fuses VVA; VVB; VVC
  • Fuse elements without metal parts

These products are made of materials from C-110, C-220 and C-221 groups, according to IEC-672-3 (JUS N.A8.302)

Rapid development of electrotechnical industry resulted in use of new insulating material, with excellent dielectric and mechanical characteristics.

One of the leading insulating material is known under trade name STEATITE.

Other special ceramic material is CORDIERITE.

These products are made of materials from C-220; C-510 and C-511, according to IEC-672-3 (JUS N.A8.302)

Technical porcelain stands for the products that are used in different industrial fields. They are all made of hard porcelain which is, in addition to its mechanical and dielectric characteristics, also chemically inert to all acids, except hydrofluoric acid, and is highly resistant to wearing out.

All of these products are made of materials from C-110; C-111; C-120 and C-610, according to IEC-672-3 (JUS N.A8.302)

All products of this group are made of hard porcelain C-110, according to IEC-672-3 (JUS N.A8.302)

Laboratory ware is suitable for working temperature up to 1100 C if it is glazed, and up to 1300 C if unglazed.

Laboratory ware is resistant to all the acids except hydrofluoric acid. It is well resistant at sudden temperature changes and therefore is widely used in chemical industry.

These products are manufactured upon special requests of customers.