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OU-1(2) Universal metal enclosures


  • For industrial and construction sites;
  • To cover switching, inspection, control and automatics devices.



  • External or internal;
  • For wall surface (OU) or flush (OUp) installation, with a frame for installation in the wall;
  • Made of steel or aluminium sheet, welded;
  • Metal sheet thickness matching the dimensions;
  • Powder painted in any colour (RAL), with surface structure highly resistant to destruction and external factors;
  • IP protection level 30 to IP54;
  • Mechanical resistance up to IK10.


  • Solid or transparent;
  • Opened in any direction (vertically, horizontally) in one- or two-wing design;
  • With a pin tumbler lock (of any shape) or an espag lock with a system cylinder and an additional padlock;
  • Internal hinges with an additional anti-burglary lock;
  • Additional gaskets installed in the door closure space for additional leak-tightness;
  • Ground bolts with cables.

Ground bolts with cables

  • Openings with brush grommets, polyester or steel glands and profiled rubber membranes for cables and wires to be run without lowering the IP rating;
  • Eyebolts: screwed, to facilitate transport.


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


  • Installation base: galvanised, at any depth or directly on the back of the enclosure;
  • TH35 rails: installed on the installation profiles made of galvanised sheet;
  • Split masking panels: made of plastic or sheet metal, installed to the enclosure structure with masking panel clamps;
  • Wire ducts with the cross section matching the type and number of cables;
  • Tilting internal door: for installation of additional devices;
  • Ventilation with a fan and proper openings in the enclosure to allow continuous control of temperature;
  • Perforated profiles for doors or side walls: ready for installation of board instruments.


  • Plinth – solid or ventilated, of any height to match the cable duct;
  • Wall mounting – made of profiled metal sheet, to enable setting the enclosure on the wall;
  • FM foundation block – matching the dimensions of the enclosure, fitted with removable front and back covers

Basic technical data

  • Rated operational voltage230 V / 400 V
  • Insulation rated voltage500 V
  • IP protection level 30 – 54
  • IK level of protection against mechanical impact10
  • Appliance classI
  • Height / width / depthwithout 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.”.