Fire-rated datasheetCEX FR Datasheet Back

CEX Stainless Steel Fire-rated Enclosures

 Fire rated CEX


Fully tested to BS5839-1: 2103 Sec 26.2e at 970ºC for 2 hours and BS6387 CWZ at 950ºC for 3 hours. London Underground APR listed and for approved for sub station use. LU ID 2101.Fire rated enclosures are available as: CEX (heavy duty) stainless steel, ACEX stainless steel, CEP Polyester and CEA aluminium.

ATEX Ex e certification is also for CEX, ACEX, CEP and CEA enclosures as an option.

Ingress protection levels

IP66 and 67 (EN 60529/IEC 60529)

Ambient temperature

-55ºC to +65°C with appropriate gasket


CE-TEK’s CEX (stainless steel) enclosures have been successfully tested to all the latest fire standards for use in buildings and infrastructure projects.

When using fire rated cables on a project, the correct specification of junction boxes can often get overlooked. When fire strikes, it is not selective in the location junction boxes and to maintain system integrity it is imperative that junction boxes are specified to the same rating as the cable being used.

The consequences of not selecting the correct type of enclosure can be huge, both financially and in terms of installation slippages. An example of this is where architects had specified fire-rated enclosures for a luxury hotel group, but electrical contractors had installed less expensive industrial enclosures that were not fire-rated, which had to be replaced throughout the hotel.

CE-TEK manufacture four series of fire rated junction boxes (CEX, ACEX, CEP and CEA), which are tested for fire to various standards including: BS5839-1: 2013 Sec 26.2e; BS EN 50200: 2006; IEC60331-2: 2009, BS8434-2: 2003 + A2: 2009; IEC331 and BS6387-11: 1994.

Typical applications include road, motorway, rail and underground tunnels, offices, hotels and public buildings, and major infrastructure projects.

 Product Code Dimensions (mm) Terminal Size 4mm² Terminal Size 6mm² Terminal Size 10mm²
CEX 151590 FR 150x150x90  1 x 7  1 x 5  1 x 4
CEX 191910 FR 190x190x100 1 x 14 1 x 11  1 x 9
CEX 231513 FR 230x150x130 1 x 16 1 x 12 1 x 10
CEX 262615 FR 260x260x150 2 x 20 2 x 15 2 x 12
CEX 313115 FR 306x306x150 2 x 31 2 x 23 2 x 19
CEX 352615 FR 350x260x150 2 x 34 2 x 25 2 x 20
CEX 453815 FR 450x380x150 2 x 37 2 x 28 2 x 23
CEX 484815 FR 480x480x150 3 x 42 3 x 32 3 x 25
CEX 553615 FR 550x360x150 3 x 60 2 x 45 2 x 36
CEX 765215 FR 760x520x150 3 x 67 3 x 50 3 x 40
CEX 916120 FR 910x610x200 4 x 92 4 x 69 4 x 55
CEX1177720 FR 1177x777x200 4 x 112 4 x 84 4 x 67
CEX1258030 FR 1250x800x300 4 x 116 4 x 87 4 x 69
CEX12512530FR 1250x1250x300 5 x 116 5 x 87 5 x 69
CEX25025060FR 2500x2500x600 10 x 232 10 x 174 10 x 138

Please add ‘F’ suffix to the product code when ordering with fuse, e.g. CEP121290FRF

Please add ‘FP’ suffix to the product code when ordering with fuse and plug for connecting to a suitable light fitting, e.g. CEX151590FRFP

Technical data (Extract) (For detailed information please click here)

Protection class

IP 66 and 67 (EN 60529/IEC 60529)


see data sheet


316L stainless steel


see data sheet


see data sheet


CEX FR Datasheet 

BS 5839-1 2013 Section 26.2e 1 test report

Fire Rated Junction Box Installation Guide

Declaration of Conformity

Customer requirements – Junction/Terminal Boxes

Operating Instructions – Empty enclosure

Operating Instructions – Populated enclosure

Keeping ahead of COVID-19

The health and safety of our staff, customers and the wider community remains our priority. However, just a word to say Ce-Tek are still shipping all web orders placed before 2pm on a next day delivery service. In the unlikely event we are unable to ship from stock that day, we will contact you with the delivery date #staysafe