Slovenská republika

SEZ DK a.s.
M.R. Štefánika 1831/46
026 19 Dolný Kubín


tel.: +421 43 5809 226


Česká republika

SEZ DK - CZ s.r.o.
Řeznická 1486/5
110 00 Praha 1


tel.: +420 605 941 117

tel.: +420 775 434 467


SEZ-POLSKA Sp. z o.o.
ul. Zakładowa 2
42-480 Poręba


tel.: +48 32 672 49 96

SEZ DK a.s.

SEZ DK a.s. represents 60 years of history and tradition in electrotechnical industry.

We develop, manufacture and sell:

  • industrial sockets and plugs, distribution boards
  • screwless industrial sockets and plugs 32A and 16A
  • distribution assemblies and cable reels
  • house switches and sockets
  • table and data sockets
  • wooden switches and sockets
  • terminal clamps, accessory equipment, device terminal boards
  • electrical installation material - boxes, distribution boxes, lids, cable glands, clips, caps, screws
  • terminal components for copper conductor pressing and connection
  • terminal switches - plastic (IP 65), metal (IP 66), metal and plastic pre-wired
  • ceramic lamholders and lamps 
  • wall- and flush mounted distributors
  • installation pipes

We seek to establish a leading position in electrical installation material design, production and sales in Central and Eastern Europe. We promote the SEZ DK trade mark in the production of plastic mouldings up to 0.5 kg of weight and assembly sets for electrotechnical and automotive industry.


SEZ DK a.s. innovated the 63 Amps industrial cable plugs and sockets IVGN 6353 and ISGN 6353. The news is providing a newly integrated...

SEZ DK a.s. has innovated the terminal boards for rising mains in the 4 - pole version and in both 35 mm and
95 mm. The new...

NEW - Space-saving industrial panel socket
straight IERM 1632

SEZ DK completes its product range by a new...

SEZ DK extends the range of distribution boxes in group ROS 4. Distribution boxes are available in 16 combinations with degree of...