OTU Thermo-hardening enclosures

Product description

In order to maintain the highest quality, the pressing process is carried out under strict supervision in accordance with ISO 9001 quality standards and carefully selected semi-finished goods. The material we use is Fibreglass Reinforced Polyester (SMC - sheet moulding composite). Thanks to our own tool shop equipped with CNC machines on which the moulds are made, our stampings are of the highest quality.
Normally, the enclosure is equipped with:
- HS lock with metal ties which provides up to a five-point or six-point locking system.
- The sides of the enclosure can be equipped with brackets pressed from SMC material, which give big assembly possibilities, save time and they have an impact on the switchgear solution.
- The sides of the enclosure can be equipped with insulators for placing the brackets made of galvanized steel sheet.


  • Protection class: IP44
  • Appliance class: II
  • Enclosure depth: 250 and 320mm
  • Mechanical shock resistance: IK 10
  • Flammability class: V0
  • Rated current: 630A
  • Color: RAL 7035
  • Door opening angle: more than 180°


  • Our enclosures are equipped with lock HS-100 systems
  • It is possible to install sight glasses and inspection door upon request
  • They can be mounted on a foundation made of the same material
  • They can be attached to a cable pocket made of the same material
  • Maximum monoblock dimensions: 800x800x320mm.
  • Minimum monoblock dimensions : 260x400x250
  • Two depths: 250 mm and 320 mm
  • It is possibile to use two kinds of roofing:
  • sloping roof
  • flat roof
  • The door and back of the boxes have two basic widths: 260mm and 400mm.
  • Wider enclosures are equipped with double door, and their back installation is really easy thanks to special fasteners.