The AQR range of boxes is suitable for demanding environmental like the North Sea environment. They are ideal for Petrochemical and Marine applications and also for all kind of industry where an explosive atmosphere may be present.

Material Acid resistant stainless steel AISI316L
IP Rating IP66 (IP67 and IP68 upon request)
Temperature -40ºC to +40ºC (T5)
  -40ºC to +60ºC (T6/T4)
  Option: -40ºC to +200ºC
- Atex ATEX DNV-2010-ATEX-83561
Standards EN/IEC: 60079-0, 60079-7
  61241-0, 61241-1
Ex-Code Ex e II T6/T4 / Ex [ia] IIC T6
  Ex tD A21 T85ºC - T110ºC
  (Ex) II 2 GD and EPL Gb/Db
Lid/Door gasket Silicone (temp. -40ºC to +200ºC)
Surface treatment  
  Electropolished as an option
Material thickness Min. 1,5 mm (depending on the box size)
Earthing Internal earth bar/bracket
  External earth bracket
Drain plug Optional


AQ…-AL/AR…-AL Series Enclosures are especially recommended for chemical agent environment (also with presence of H2O, H2SO4, sea-water corrosion, low and high temperature, heavy duties). Body and Cover are made in Copper free Aluminium 8 mm. thickness or more.

Material Copper free Aluminium (Cu<0,1%)
IP Rating IP66
Temperature -50°C to 60°C
Certification & Approvals EC-Type Examination Certificate INERIS 01ATEX0005X
GOST Certificate РОСС IT.ГБ04.В00496
Standards EN 60079-0/60079-7/60079-11/61241-0/61241-1/61241-11
IEC 60079-0/60079-7/60079-11/61241-0/61241-1/61241-11
Ex-Code Ex e II T6/T5Ex ia IIC T6/T5
Ex e ia IIC T6/T5Ex tD A21 IP66 T85°C/T100°C
According to European Directive 94/9/EC (ATEX)
For Zone 1 / Zone 2 / Zone 21 / Zone 22
Lid/Door gasket Neoprene
Surface treatment

Painted Polyurethane finish (standard) RAL 6003 colours
External polyurethane customized painting

Material thickness Body and cover thickness 8 mm. or more
Quantity for entries Maximun quantity of entries per side A/B: see table
Standard identification Identification nameplate is realized in high resistance
self-adhesive polyester with thermal transfer inscriptions
Entries thread Metric pitch 1.5, ANSI B1.20.1 NPT, UNI 6125
Quantity for terminals Considering the never ending variety of combinations between:
- Quantity of terminals
- Relevant cross section
- Class of temperature
- Ambient temperature
...we suggest to use our software CALCUBOX to set up the compatible terminals strips. A free copy of Calcubox is usually supplied together with the CD Catalog and nevertheless, downloadable from our website.
Earthing Internal and external earth stud made in AISI 304 suitable for earth wire up to 35 sqmm
Drain plug Drain and breather devices type ECR-1, ECR-2, ECR-11
Accessories on request
  • Identification label resin/trafolite made with fixing screws

  • Identification label stainless steel AISI 304 made with fixing screws

  • Inside anti-condensation painting

  • Hinged Cover by stainless steel AISI 304 made hinges fixed by bolts

  • Threaded holes suitable for cable glands, plugs and conduit fitting, either with metric pitch 1.5, ANSI B1.20.1 NPT, UNI 6125