Guangdong Shengyu Cable Industry Co., Ltd.
Guangdong Shengyu Cables Industry Co., Ltd.
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Magnesium Oxide Xlpe Power Cable Mi Wire For Underground Rail Systems
Mineral insulated cables (MI or MICC cable) are made of copper conductor inside a copper sheath, insulated by compressed powdered magnesium oxide that used for fire survival system.
MI fire survival cable system provides the ideal solution to many difficult and demanding wiring installations making permanent and dependable wiring cable systems for all low and medium voltage applications. Exceed all worldwide fire performance standards.
Standard
IEC 60702-1: 2002
IEC 60702-2: 2002
GB/T 13033.1-2007
GB/T 13033.2-2007
Code designation
|
Code |
Description |
Cores |
Nominal cross sectional area of conductor |
|
|
500 V |
750 V |
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|
BTTQ BTTVQ BTTYQ |
Light duty, Copper conductor, MgOinsulation, Copper sheath, (optional outer covering of PVC or LSZH), Mineral insulated cable |
2,3,4,7 |
1~4 mm² |
|
|
BTTZ BTTVZ BTTYZ |
Heavy duty, Copper conductor, MgOinsulation, Copper sheath, (optional outer covering of PVC or LSZH), Mineral insulated cable |
1,2,3,4,7,12,19 |
|
1.5~400 mm² |
Application
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Public service Railway stations, road & rail tunnels, public lighting, car parks, public service buildings. |
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Property & personal safety Shopping malls, airports, underground rail systems, schools, hospitals, hotels, theatres, churches. |
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High temperature situation Foundries, power stations, boiler houses, iron & steel industries, marine & ship buildings. |
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Potentially explosive area Refineries, chemical plants, oil & gas production, filling stations, processing plants, garages. |
|
Hygiene situation Food & drink processing, pharmaceutical works, hospitals, kitchens, refrigeration plants. |
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General installation Power distribution & sub circuits, fire alarms & emergency, lifts & escalators lighting, lighting & power. |
Property
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Fire resistant Will neither burn or support combustion. Comply with the requirements of IEC 60331 and BS 6387. |
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High operation temperature Continuous operating temperature up to 250 °C, and for short periods up to approaching the melting point of copper 1083 °C. |
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Inherent flameproof barrier With a non-flammable sheath the high compacted insulation will resist the transmission of vapors, gases or flames. |
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High mechanical strength Really robust and can withstand a considerable amount of stresses such as, twisting, bending and flattening. |
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Pliable Fully annealed and extremely ductile and easily manipulated to follow existing wiring routes and irregular shapes. |
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Non-ageing, Integral earth continuity, Small overall diameter Waterproof, Corrosion resistant, Radiation resistant Excellent electric shielding, Easy installation, Long service life |
Fire performance
|
Category CWZ-BS 6387: 2013 Test method for resistance to fire of cables required to maintain circuit integrity under fire conditions |
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Protocol C Resistance to fire alone 950 °C for 3 h |
Protocol W Resistance to fire with water 650 °C for 15 min |
Protocol Z Resistance to fire with mechanical shock 950 °C for 15 min |