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Steel wire armoured cable BS 7846 – MGT
In applications where circuit integrity is of utmost importance and power supply to equipment is to be maintained during fire, we offer a robust fire resistant wiring system which in addition to maintaining circuit integrity during fire, produces very low levels of smoke and almost no acidic emissions (< 0.1%) thus safeguarding human life and protecting vital equipment.
The Fire Resistant FP armoured cables are manufactured from specially formulated Low Smoke and Zero Halogen Compounds and the cables comply to BS 7846 Category F2 type and are certified by Loss Prevention Certification Board (LPCB) and also satisfy the CWZ requirements of BS 6387.
All cables outlined in this section comply with the requirements of BS 7846-F2 and BS 6387 CWZ.
CABLE TYPES
APPLICATION
SALIENT FEATURES
CONSTRUCTION
CABLE STANDARDS
PERFORMANCE CHARATERISTICS
CABLE TYPES
Cu/Mica+XLPE/LSZH/SWA/LSZH cable to BS 7846-F2
APPLICATION
Power supply is required to be maintained in critical application services for limited time during fire in, schools, hospitals, stadiums, airports, theatres, multiplexes, hotels, high rise buildings, power stations transit systems and other large public buildings to avoid loss of visibility caused by smoke and acid evolved from burning cable materials which can cause panic and create serious problems when evacuating personnel. Circuit integrity is of utmost importance and power supply to equipment is to be maintained during fire for fire fighting devices, sprinkler systems essential fire detection and alarm
systems and evacuations systems for safeguarding human life and protecting equipment.
All FP cables are manufactured under Quality Management Systems Certified by BASEC and LPCB.
SALIENT FEATURES
Circuit Integrity: Maintains Circuit Integrity for 3 hours under fire conditions – Category CWZ.
Smoke emission: Minimum 70% transmittance as per BS EN 61034.
Acid gas emission: Zero Halogen < 0.5% acid gas generation as per BS EN 60754.
These Fire Performance cables meet Flame propagation tests as per BS EN 60332-1, BS EN 60332-3-24, Acid emission as per as per BS EN 60754 (actual less than 0.1%), Smoke Emission tests as per BS EN 61034 with minimum 70% transmittance. CWZ Fire Resistance tests at 600/1000 V as per BS 6387.
Fire properties: Protocol C – 950oC for 3 hours as per BS 6387.
Fire with Water: Protocol W – 650oC for 15 minutes as per BS 6387
Fire with Mechanical Shock: Protocol Z – 950oC for 15 minutes as per BS 6387.
CONSTRUCTION
Conductor:
Copper Circular stranded (Non-compacted or Compacted) Class 2 to IEC 60228 or BS EN 60228 (previously BS 6360)
Fire Resistant Tape (Mica Glass)
Secondary Insulation:
Extruded XLPE
Assembly
For multicore cables, two, three, four or five insulated conductors are laid-up together with non-hygroscopic fillers compatible with the insulation material and the assembly is bedded with an extruded layer of PVC.
Core Identification:
As per UAE Local regulations the following colour code is used. However, special colour code as per BS 7846 can be provided based on special request.
Two Cores : Red, Black
Three Cores : Red, Yellow, Blue
Four Cores : Red, Yellow, Blue, Black
Bedding
LSZH Extruded bedding serves as a bedding for the armour and as protection for the laid-up cores.
Armour
Galvanized Steel Wires applied helically over bedding
Outer Sheath
Extruded LSZH, Black.
In addition, finished cables are marked on the outer sheath to aid cable identification at site.
CABLE STANDARDS
BS 7846-F2
LPCB Approved
PERFORMANCE CHARATERISTICS
Voltage Rating: 0.6/1kV (1.2kV)
Note: Please follow manufacturer datasheets and guidelines for cable usage and installation.
For further assistance,
please reach out to a member of the Phoenix Sales Team.