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Door system, blinds and accessories

0,00  with VATPL

SKU: FIREBOX Category:


Aluminum doors are made of sheet metal up to 3 mm thick, and steel doors are made of 1.5 mm thick sheet metal. The leaf of a single or double door is filled with a panel with a grille or louver of any surface. Doors are powder-coated in RAL color adapted to the facade of the station or according to the requirements of the customer.

The door is equipped with protection against self-closing and position locking when open, and has a terminal for connecting equalization connections.

The design of the ventilation louvers used in the door has IP43, which prevents the insertion of objects into the internal components with a diameter of up to 1mm.

The door leaves can be filled with mineral wool or extruded polystyrene board to reduce the noise level emitted by the equipment and to reduce excessive heating of the station during the summer.

The doors have a high resistance to damage. Door frames are made of powder-coated aluminum or steel sections. The standard door frame is aluminum or steel profile, other construction materials can be used according to the customer’s needs.

Basic information

Aluminum or steel (galvanized) doors are used to protect rooms and equipment from unauthorized access. They are designed for transformer stations and other technical rooms.

Different design solutions, applied according to the needs of the Ordering Party, allow to meet the guidelines set by individual distribution companies.

An additional advantage of the proposed design is the possibility of making the door of any size and the use of anti-panic locks. The door is optionally equipped with a ventilation louvre or mesh of any surface, which ensures free exchange of air.


Aluminum and steel doors are manufactured with any accessories such as:

  • locks (mortise and surface locks, with anti-panic functions, certified with increased resistance to burglary, roller locks)
  • handles (plastic, aluminum, attested – anti-burglary, for anti-panic locks for single and double doors)

PRE Biel also manufactures accessory components in the form of canopies mounted over doors and window sills.

Compliance with standards

PN-EN 60529:2003
Degrees of protection provided by enclosures (IP Code)
PN-EN 62262:2003
Degrees of protection against external mechanical impacts provided by electrical equipment enclosures (IK code)
PN-EN ISO 4628-6:2012
Paints and varnishes – Evaluation of damage to coatings – Determination of the amount and extent of damage and the intensity of uniform changes in appearance – Part 6: Evaluation of the degree of chalking by the tape method
PN-EN ISO 2409:2013-06
Paints and varnishes – testing by the notched-grid method