Fire Resistant Box

“FK” Cable junction boxes for approved intrinsic fire resistance and insulation integrity 

  • Intrinsic fire resistance following DIN 4102 Part 12 (German standard) in combination with function-retaining cables
  • Insulation integrity PH120 following BS EN 50200 in combination with insulation retaining cables
  • Screw anchors, high-temperature-resistant ceramic terminal E30 up to E90, and cable entries are included as standard
  • Multi-level knockouts for cable glands in different sizes
  • Closes quickly by a quarter turn – locked position well visible (open – locked)
  • Material: PC-GFS polycarbonate
  • Colour: orange, RAL 2003
  • Glow wire test in accordance with IEC 60695-2-11: 960 °C, flame-retardant, self-extinguishing
  • Resistance to impact: IK 09 (10 Joule)
  • Degree of protection: IP 65/66

1. Requirements

Country-specifi c requirements and
national laws have to be observed!
The relevant local regulations of
legislators, fi re brigades or similar
services, which are placed on the
building and its use must be observed.

2. E30 / E60 / E90

Are there any requirements for
 intrinsic fi re resistance in electrical
installations E30/E60/E90
 insulation integrity PH120
according to BS EN 50200?

Cable junction boxes approved for intrinsic fi re resistance
and insulation integrity
 Degree of protection IP 65 / IP 66
 Boxes made of thermoplastic or sheet steel
 No toxic or corrosive emissions
 Intrinsic fi re resistance according to DIN 4102 Part 12 (German Standard)
in connection with function-retaining cables of 1.5-16 mm2
 Insulation integrity PH120* in accordance with BS EN 50200
 Colour orange RAL 2003

3. Selection of material

Selection should be carried out
according to
 intrinsic fi re resistance E30 or E90
or insulation integrity e.g. PH120
 cable junction or cable connection
 installation procedure in buildings
 type of cable installation
 anchoring method on the building
 approval of materials according to

4. Manufacturer

Country-specifi c requirements and
national laws have to be observed!
The selection of a cable manufacturer
is carried out according to
 type of cable installation
 required cable junction or cable

5. Operating

Country-specifi c requirements and
national laws have to be observed!
Professional execution of the
installation work.

Additional information



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