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APPLICATION:
These MgO mineral insulated cable is suitable for power supply system of industrial, civil and commercial buildings requiring high fire protection. In case of fire, this cable can provide safe and reliable power supply within the specified time to ensure personal and property safety. It can also be used for cable wiring in high temperature, corrosion, nuclear radiation and other harsh environments.
  • Firefighting and civil are defense engineering, including power supply for the elevator, fire pump, fire alarm, smoke exhaust system, emergency lighting and other fire facilities.
  • Power supply of equipment and lighting system in important buildings or densely populated buildings, including memorial hall, museum and other historic buildings, public entertainment places, bank, post and telecommunication building, high-rise building, hospital, school, institution, station, airport, underground, petrochemical and other important warehouse, hotel, subway tunnel and underground square.
  • Power supply for important inflammable and explosive occasions, power plant, nuclear power plant and other important equipment. Including transmission and distribution lines used in petrochemical industry, power plant, offshore oil platform, nuclear power station, refinery, coal industry, oil & gas engineering, chemical industry, etc.
  • Places with high ambient temperature, including iron and steel and other metallurgical industry, coke industry, shipbuilding industry, other high temperature transmission and distribution lines.

STANDARDS:
GB/T 13033.1-2007.
TYPE, CONSTRUCTION, NUMBER OF CORES & CONDCUCTOR SIZES

Grade

Rated Voltage

Type

Construction

Number of cores

Conductor CSA(mm2)

Light duty

300V

BTTQ

Copper conductor, mineral insulated, copper sheathed

1,2,3,4,7

1∽4

BTTVQ

Copper conductor, mineral insulated, copper sheathed, PVC outer sheathed

WD-BTTYQ

Copper conductor, mineral insulated, copper sheathed, LSZH outer sheathed

Heavy duty

500V

BTTZ

Copper conductor, mineral insulated, copper sheathed

1, 2, 3, 4, 5, 7, 3+1, 3+2, 4+1


1x1∽1x400
2x1∽2x25
3x1∽3x25
4x1∽4x25
5x4∽5x16
7x1∽7x4
3x25+1x16
3 x25+2x16
4x25+1x16


BTTVZ

Copper conductor, mineral insulated, copper sheathed, PVC outer sheathed

WD-BTTYZ

Copper conductor, mineral insulated, copper sheathed, LSZH outer sheathed


OUTER SHEATH COLOUR
Orange, or as per order
MAIN CHARACTERISTICS AND ADVANTAGES:
Excellent fire resistant characteristics: IEC60331, GB/T19216, BS6387, BS 8491.
Long production length
Small overall diameter
High radiation resistant
Great mechanical protection
Good grounding
Healthy and environmental
Great bending property

O.D. of cable(mm)

OD<7

7≤OD<12

12≤OD<15

OD≥15

Minimum bending radius of inner side of cable

4XO.D.

6XO.D.

8XO.D.

12XO.D.

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