25 YEAR THE TRUE FIRE SURVIVAL CABLE WARRANTY
In 1989 we developed a unique process of manufacturing continuous mineral insulated copper cables.
THE TRUE FIRE SURVIVAL CABLE We are the only UK manufacturer of continuous Mineral Insulated Cables, exporting to over 20 countries globally including the Middle East, India, Australia and China. Back in 1989 we developed a unique process of manufacturing continuous mineral insulated copper cables. This process ensures 100% continuity and quality but more importantly makes our cable the only cable which can safely carry a load for 3 hours at 950 C and for short periods at temperatures in excess of 1000 C. Our cables are installed in some of the worlds largest and most important buildings and recognised throughout the electrical industry as the best choice for fire survival. The quality and reliability of our mineral insulated cables meet and exceed British, European and Australian standards and maintain certifications from BRE-LPCB, Warrington Fire Research Centre and London Underground with our termination glands approved by SIRA-ATEX EExd. Our cable consists of only two elements: Copper + Magnesium Oxide. Neither release toxins, neither will burn. Inorganic construction 4 NOTHING TO BURN NOTHING TO BURN 4 ZERO TOXIC emissions or smoke INORGANIC materials 4 LAST a LIFETIME Holistic Fire Survival 4 ZERO combustion or heat release Naturally armoured 4 NO risk of rodent damage SELF MONITORING 4 NO false ALARMS FURNACE TESTED 4 Passes the ONLY true life like fire test QUALITY SYSTEM ISO 9001:2008 CERTIFICATE NO: 333 CERTIFIED TO BS 60702-1.2002 REFERENCE NO: 333a/01 25 YEAR WARRANTY Warranty details available on our website: www.wrexhammineralcables.com
Why our cable is the only TRUE FIRE SURVIVAL CABLE Our cable consists of only two elements: Copper + Magnesium Oxide. Neither release toxins, neither will burn. In the UK, fire resistant cables must meet the following standards: British fire performance standards BS EN 50200 PH120 Enhanced demands 2 hours fire resistance at 850 C. BS 6387 category C, W & Z demands that cables perform safely for 3 hours at 950 C. All 3 tests performed using the same cable sample. Our cables exceed these requirements. Mineral Insulated Copper Cable (MICC) CABLE PROPERTY Copper MICC Cable LSF FP/FR Soft Skin Our cable is totally Inorganic and Silicone free. It consists of multiple copper conductors (cores), highly compressed magnesium oxide (insulation) and an outer copper sheath, thats just 2 elements. This unique composition has an outer melting point of 1083 C (the melting point of copper) and ultimately 2800 C for the insulation (magnesium oxide). Note that the internal load carrying cores are protected inside the magnesium oxide insulation. This allows our cable to safely carry a load in temperatures in excess of 1000 C making it a TRUE fire survival cable. Our MICC cable is water and oil resistant, can carry greater current ratings, require no conduit for mechanical or vermin protection, UV and radiation resistant and can last in excess of 50 years. Soft Skin Flame Retardant Polymer Cables In order to give soft skinned polymer cables flame retardant properties, halogens are added to the outer sheath such as; chlorine, bromine and fluorine. When exposed to a fire, these halogenated polymers will release halides which are extremely toxic. The outer and inner sheaths of soft skin polymer cables burn and contribute to a fire releasing toxic smoke which can itself ignite, often explosively. All the soft skin polymer cables we have tested fail after only 10 minutes which in a densely populated public building may not be enough time for everyone to escape. OVER 15min (egress time) YES NO 250 C operating temp YES NO 650 C operating temp YES NO Exposure to 1040 C YES NO BS6387 CWZ YES YES BS6387 CWZ Enhanced YES NO BS8491 Furnace test YES NO Flame retardant YES YES Waterproof, submersible YES NO NO SELF IGNITION YES NO Mechanical shock & pressure resistant YES NO Zero toxic emissions YES NO SELF MONITORING YES NO Non-aging, corrosion resistant YES NO Suitable for confined space / tunnel YES NO 100% recyclable YES NO NO CONDUIT REQUIRED YES NO High Overload resistance YES NO ZERO SMOKE on overload YES NO Gas bio/chemical proof YES NO RODENT PROOF YES NO
what is enough time? IN CASE OF EMERGENCY 1] Sound the alarm But if the wire is burnt and not connected how can you? 2] Dial 999, Inform reception/security Impossible if the communication wires are burnt. 3] Attack the fire with extinguishers But how can you if the lights are not working and you can t find them? 4] Follow exit signs You can t because plastic sheathing around the emergency systems cabling is emitting toxic smoke and you cannot see or breathe. 5] Contain the fire by closing windows & doors A bit difficult if you have NO lights and you cant see because of smoke. 10 minutes? 6] Use the exit stairwells? Fine, but you can t find them because emergency lights have failed and smoke extraction fans have stopped due to wires burnt. 5 All soft skin competitor fire resistant cables we ve tested fail after just 10 minutes when exposed to temperatures of 850 C. (This is the testing temperature of BS EN 50200 ph120 Enhanced) which requires 2 hours fire resistance. Soft skin cables also release toxic gases and in many cases add fuel to the fire - they burn! Competitor cable after just 10 minutes at 850 C or 3 hours? 5 Our MICC cable easily withstands temperatures exceeding 850 C for hours right up to the melting point of copper (1083 C) and its composition means there is NOTHING to burn! Our cable after 3 hours at 950 C
Manufacturing Process 20,000m per day Magnesium Oxide (MgO) powder is mixed with additives to create a puttylike compound. This compound is then extruded through our unique extrusion system to produce insulating rods. Any broken rods are recycled back through the system ensuring zero waste. Why Magnesium Oxide? 24 hour production These rods are relatively soft and flexible. We fire these rods in our purpose built kilns at temperatures in excess of 1100 C to remove all moisture and additives leaving a pure inorganic rod. MgO is a refractory material, a solid that is physically and chemically stable at high temperatures. Its two main attributes are high thermal conductivity and low electrical conductivity making it an ideal insulator for our cables. At this stage the copper conductors, insulation rods and outer copper sheath are combined together in one efficient process.
continuous manufacture By manually adding the insulation, the most vital part of our cables, we can monitor consistency and rectify any defects. The pre-formed cable is then seam fused using a Tig process before entering our rolling mills. During this process the cable is gradually reduced in diameter to the desired specification while passing through our high frequency induction annealer. competitive lead time
Approvals & Standards CERTIFIED TO BS 60702-1.2002 REFERENCE NO: 333a/01 QUALITY SYSTEM ISO 9001:2008 CERTIFICATE NO: 333 Approvals: MANUFACTURE & TESTING TO BS/IEC 60702-1:2002+A1:2015 CERTIFICATION OF ASSESSED QUALITY ASSURANCE NO. 333 TO BS EN ISO 9001 LPCB PRODUCT CERTIFICATION NO. 333a/01 APPROVAL BODY STANDARD REFERENCE DESCRIPTION LPCB IEC 60331-2 Test method for fire with shock at a temperature of at least 830 C for cables of rated voltage up to and including 0,6/1,0 kv and with an overall diameter not exceeding 20mm. LPCB IEC 60332-2 Tests on electric cables under fire conditions - Part 2-2: Test for vertical flame propagation. LPCB IEC 60754-1 Test on gases evolved during combustion of materials from cables - Part 1: Determination of the halogen acid gas content. LPCB IEC 61034-2 Measurement of smoke density of cables burning under defined fire conditions. LPCB LPCB LPCB LPCB BS 5839-1:2013 ENHANCED TO CLAUSE 26.2 BS EN 50200:2015 CLASS Ph120 BS 8434-2:2003+A2:2009 C,W & Z OF BS6387:2013 Fire detection and fire alarm systems for buildings. Code of practice for system design, installation, commissioning and maintenance. Resistance to fire of unprotected small cables for use in emergency circuit. Test for unprotected small cables for use in emergency circuits. BS EN 50200 with a 930 C flame and with water spray. Requirements for cables to maintain circuit integrity under fire conditions. All 3 tests performed using the same cable sample. LPCB BS EN 50267 Gases evolved during combustion or electrical cables. Wrexham Mineral Cables are the ONLY Mineral Insulated Copper Cable manufacturer approved by the Kuwait Fire Department. Testing: WARRINGTON FIRE RESEARCH BS 6387:1994 CWZ (TO HIGHEST CATEGORY) WARRINGTON FIRE RESEARCH TO BS 4066: INTERNATIONAL STANDARD IEC 60331 LONDON UNDERGROUND TO SPECIFICATION EME-SP-14-028-A1 (FIRE SURVIVAL CABLES - MICC) Terminations: MANUFACTURED AND TESTED IN ACCORDANCE WITH BS EN 60702-2 SIRA QUALITY ASSURANCE NOTIFICATION APPROVAL IN ACCORDANCE WITH NUMBER: SIRA02ATEX1305X ATEX DIRECTIVE 2014/34/EU
Glands, Terminations & Tools We stock a full range of ATEX EExd approved cable glands and the required terminations, tools and low smoke & fume (LSF) fire rated fixings. Our purpose built 30,000sqft warehouse facility houses everything needed to install our cable. We provide training, installation guidance and support with video and documentation.
Applications & Industries Our MICC cable has been designed specifically for critical and life saving systems where continuity is required in the event of a fire. Critical & Life Saving Systems: EMERGENCY SHUTDOWN SYSTEMS STOP/START CONTROLS EMERGENCY LIGHTING FIRE ALARM SYSTEMS FIRE PUMPS FUME & SMOKE EXTRACTION FIRE DETECTION & PROTECTION SYSTEMS THEATRE / LIFE SUPPORT SYSTEMS SPRINKLER SYSTEMS INSTRUMENT/MONITORING SYSTEMS COMMUNICATION SYSTEMS LIFTS RECESS & HANDRAIL ILLUMINATION PUBLIC ADDRESS SYSTEMS MAINS DISTRIBUTION MOTOR OPERATED VALVES Industries: Multi-storey Car Parks Travelators/Escalators Airports Hospitals Shopping Centres Rail Networks / Metrolinks Industrial / Manufacturing Mining and Tunnels Hotels / Catering Skyscrapers / Tower Blocks Gas and Oil Refineries Nuclear / Power Stations
DON T TAKE RISKS, use the only TRUE fire survival cable. Survives fire longer, supports critical emergency systems and provides vital time for evacuation and shutdown procedures.
OUR CABLE HELPS SAVE LIVES Wrexham Mineral Cables Wynnstay Technology Park Ruabon, Wrexham, LL14 6EN TEL: +44(0)1978 810789 sales@wrexhammineralcables.com www.wrexhammineralcables.com 25 YEARS MANUFACTURING