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OU-1S Cabinet enclosures


  • A universal solution for installation inside the facility;
  • For power engineering facilities (main transformer stations), industrial and building sites;
  • For devices up to 4000 A;
  • To ensure high degree of protection of switching, inspection, control and automatics devices;
  • For serial connecting into sets.



  • For indoor installation, free-standing or wall-mounted on a plinth;
  • Open-work, made of steel frame covered with steel or aluminium sheet (welded and screwed);
  • Powder painted in any colour (RAL), with surface structure highly resistant to destruction;
  • Integrated with the plinth;
  • Polyurethane foam gaskets.

Framework: steel frame

  • Made of welded steel profiles;
  • With openings for installation of the board or of vertical installation profiles.

Side covers

  • Installed to the frame with Allen screws;
  • Metal sheet thickness matching the dimensions;
  • The width of the enclosure does not change with side covers installed.


  • Solid or transparent;
  • Opened to one or both sides (the back cover) to ensure better access to the components;
  • With one or two wings;
  • With a pin tumbler lock (of any shape) or an espag lock with a system cylinder and an additional padlock;
  • Three-point bolts;
  • Internal hinges;
  • Opening to 120°;
  • Ground bolts with cables.

Roof and bottom

  • Made of adjustable-height cover to ensure additional ventilation;
  • The cover has additional openings, to run cabling from cable routes;
  • Eyebolts.


The size matching the type and range of devices and individual needs of the Client.

Typical dimensions:

  • Height: 1800/2000/2200 mm;
  • Width: 400/600/800/850/1000/1050/1250/1400 mm;
  • Depth: 250/300/400/600/800 mm.


The devices are installed as required by the Client.

  • Vertical installation profiles: steel, with drilled openings, installed on the frame;
  • Installation base: galvanised, installed on vertical installation profiles made of galvanised sheet for current circuit switches;
  • Wire ducts with the cross section matching the type and number of cables;
  • 19″ internal tilting frame, symmetrical or asymmetrical;
  • Cable clamps with the cable management bar;
  • Masking panels: made of plastic or sheet metal, installed to the enclosure structure or to the internal frame with masking panel clamps;
  • The control panel with the mimic panel, made in a unique way by applying offset-printed sheets on the whole surface of the panel, with the possibility of printing any design. Installed in the internal frame;
  • Lighting: two fluorescent lamps installed in the upper part to ensure uniform illumination along the entire width. Limit switches and a cam switch are installed in the cabinet (the components may be installed in any place, as required by the Client);
  • Ventilation with a fan and proper openings in the enclosure to allow continuous flow of air.


  • Plinth – welded, solid or ventilated, of any height.

Basic technical data

  • Materialsteel / aluminium
  • IP protection level55
  • IK level of protection against mechanical impact10
  • Appliance classI
  • Height / width / depth without limitations

Compliance with standards

  • PN-EN 62262 – „Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code).”;
  • PN-EN 60529 – „Degrees of protection provided by enclosures (IP Code).”;
  • PN-EN 62208 – „Empty enclosures for low-voltage switchgear and controlgear assemblies – General requirements.”;
  • PN-EN ISO 4628 – „Paints and varnishes – Evaluation of degradation of coatings – Designation of quantity and size of defects, and of intensity of uniform changes in appearance – Part 6: Assessment of degree of chalking by tape method.”;
  • PN-EN ISO 2409 – „Paints and varnishes – Cross-cut test.”.