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Flexible mineral insulated fireproof cable
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Flexible mineral insulated fireproof cable

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BBTRZ
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Model: BBTRZ
Voltage class: 450/750 V
Conductor material: electrical copper
Insulation Material: Inorganic Mineral Insulation
Number of cable cores: 1, 2, 3, 3+1, 4, 3+2, 4+1, 5
Scope of application: It is mostly used for laying cables in various occasions with flame retardant requirements, such as high-rise buildings, hotels, hospitals, subways, nuclear power plants, power plants, ores, petroleum and chemical industries.
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BBTRZ single core cable specifications and parameters

电缆芯数
No. of cores
标称截面
Nominal section
近似外径
Outer Diameter approx.
电压降Voltage drop 最小弯曲半径
Mini bending radius
单相Single phase 三相Three phase
- mm2 mm V/A.km V/A.km mm
1 1.5 6.3 30.8 26.7 94.5
1 2.5 6.7 18.9 16.4 100.5
1 4 7.2 11.8 10.2 108
1 6 7.7 7.9 6.81 115.5
1 10 9.4 4.7 4.05 141
1 16 10.4 2.94 2.55 156
1 25 11.7 1.87 1.62 175.5
1 35 13.1 1.35 1.17 196.5
1 50 14.6 1.01 0.87 219
1 70 16.4 0.71 0.61 246
1 95 18.3 0.52 0.454 274.5
1 120 19.9 0.43 0.371 298.5
1 150 21.9 0.36 0.313 328.5
1 185 23.7 0.3 0.265 355.5
1 240 27.1 0.26 0.222 406.5
1 300 30.1 0.23 0.197 451.5


BBTRZ 2 core cable specifications and parameters

电缆芯数
No. of cores
标称截面
Nominal section
近似外径
Outer Diameter approx.
电压降Voltage drop 最小弯曲半径
Mini bending radius
单相Single phase 三相Three phase
- mm2 mm V/A.km V/A.km mm
2 1.5 10.3 30.8 26.7 154.5
2 2.5 11.1 18.9 16.4 166.5
2 4 12 11.8 10.2 180
2 6 13 7.9 6.81 195
2 10 16.3 4.7 4.05 244.5
2 16 18.4 2.94 2.55 276
2 25 21 1.87 1.62 315
2 35 23.7 1.35 1.17 355.5
2 50 26.7 1.01 0.87 400.5
2 70 30.5 0.71 0.61 457.5
2 95 34.6 0.52 0.454 519
2 120 38.1 0.43 0.371 571.5
2 150 42.4 0.36 0.313 636
2 185 46.2 0.3 0.265 693
2 240 51.7 0.26 0.222 775.5
2 300 57.7 0.23 0.197 865.5


BBTRZ 3 core cable product specifications and parameters

 

电缆芯数
No. of cores
标称截面
Nominal section
近似外径
Outer Diameter approx.
电压降Voltage drop 最小弯曲半径
Mini bending radius
单相Single phase 三相Three phase
- mm2 mm V/A.km V/A.km mm
3 1.5 10.7 30.8 26.7 160.5
3 2.5 11.6 18.9 16.4 174
3 4 12.5 11.8 10.2 187.5
3 6 13.7 7.9 6.81 205.5
3 10 17.3 4.7 4.05 259.5
3 16 19.5 2.94 2.55 292.5
3 25 22.3 1.87 1.62 334.5
3 35 25.2 1.35 1.17 378
3 50 28.6 1.01 0.87 429
3 70 32.7 0.71 0.61 490.5
3 95 37.1 0.52 0.454 556.5
3 120 40.9 0.43 0.371 613.5
3 150 45.5 0.36 0.313 682.5
3 185 49.6 0.3 0.265 744
3 240 55.5 0.26 0.222 832.5
3 300 62 0.23 0.197 930


BBTRZ 4 core cable product specifications and parameters

电缆芯数
No. of cores
标称截面
Nominal section
近似外径
Outer Diameter approx.
电压降Voltage drop 最小弯曲半径
Mini bending radius
单相Single phase 三相Three phase
- mm2 mm V/A.km V/A.km mm
4 1.5 11.6 30.8 26.7 174
4 2.5 12.5 18.9 16.4 187.5
4 4 13.7 11.8 10.2 205.5
4 6 14.9 7.9 6.81 223.5
4 10 18.9 4.7 4.05 283.5
4 16 21.4 2.94 2.55 321
4 25 24.5 1.87 1.62 367.5
4 35 27.8 1.35 1.17 417
4 50 31.7 1.01 0.87 475.5
4 70 36.4 0.71 0.61 546
4 95 41.3 0.52 0.454 619.5
4 120 45.5 0.43 0.371 682.5
4 150 50.7 0.36 0.313 760.5
4 185 55.2 0.3 0.265 828
4 240 61.9 0.26 0.222 928.5
4 300 69.2 0.23 0.197 1038


BBTRZ 3+1 core cable product specifications and parameters

 

电缆芯数
No. of cores
标称截面
Nominal section
近似外径
Outer Diameter approx.
电压降Voltage drop 最小弯曲半径
Mini bending radius
单相Single phase 三相Three phase
- mm2 mm V/A.km V/A.km mm
3+1 1.5 11.4 30.8 26.7 171
3+1 2.5 12.3 18.9 16.4 184.5
3+1 4 13.4 11.8 10.2 201
3+1 6 14.6 7.9 6.81 219
3+1 10 17.9 4.7 4.05 268.5
3+1 16 20.7 2.94 2.55 310.5
3+1 25 23.7 1.87 1.62 355.5
3+1 35 26.2 1.35 1.17 393
3+1 50 29.9 1.01 0.87 448.5
3+1 70 34.2 0.71 0.61 513
3+1 95 38.9 0.52 0.454 583.5
3+1 120 43.2 0.43 0.371 648
3+1 150 47.1 0.36 0.313 706.5
3+1 185 51.7 0.3 0.265 775.5
3+1 240 57.8 0.26 0.222 867
3+1 300 64.6 0.23 0.197 969


BBTRZ 5 core cable product specifications and parameters

 

电缆芯数
No. of cores
标称截面
Nominal section
近似外径
Outer Diameter approx.
电压降Voltage drop 最小弯曲半径
Mini bending radius
单相Single phase 三相Three phase
- mm2 mm V/A.km V/A.km mm
5 1.5 12.5 30.8 26.7 187.5
5 2.5 13.5 18.9 16.4 202.5
5 4 14.8 11.8 10.2 222
5 6 16.2 7.9 6.81 243
5 10 20.7 4.7 4.05 310.5
5 16 23.4 2.94 2.55 351
5 25 27 1.87 1.62 405
5 35 30.9 1.35 1.17 463.5
5 50 35.2 1.01 0.87 528
5 70 40.4 0.71 0.61 606
5 95 45.9 0.52 0.454 688.5
5 120 50.6 0.43 0.371 759
5 150 56.4 0.36 0.313 846
5 185 61.5 0.3 0.265 922.5
5 240 69 0.26 0.222 1035
5 300 77.1 0.23 0.197 1156.5


BBTRZ 4+1 core cable product specifications and parameters

 

电缆芯数
No. of cores
标称截面
Nominal section
近似外径
Outer Diameter approx.
电压降Voltage drop 最小弯曲半径
Mini bending radius
单相Single phase 三相Three phase
- mm2 mm V/A.km V/A.km mm
4+1 1.5 12.5 30.8 26.7 187.5
4+1 2.5 13.5 18.9 16.4 202.5
4+1 4 14.8 11.8 10.2 222
4+1 6 16.2 7.9 6.81 243
4+1 10 20.7 4.7 4.05 310.5
4+1 16 23.4 2.94 2.55 351
4+1 25 27 1.87 1.62 405
4+1 35 30.9 1.35 1.17 463.5
4+1 50 35.2 1.01 0.87 528
4+1 70 40.4 0.71 0.61 606
4+1 95 45.9 0.52 0.454 688.5
4+1 120 50.6 0.43 0.371 759
4+1 150 56.4 0.36 0.313 846
4+1 185 61.5 0.3 0.265 922.5
4+1 240 69 0.26 0.222 1035
4+1 300 77.1 0.23 0.197 1156.5
● Instructions for ordering:
 
When ordering, the cable type, specification, length, delivery date, packing method and other necessary information shall be correctly marked.
Model Specifications Quantity Delivery date Place of delivery
WDZ-BYJ(F)-105/125 2.5 mm² 300 meters By xx, 2018
1. Demander warehouse
2. Demander's Site
3. Self-promotion
Note: The buyer specifies one


● For detailed product consultation, please inquire:

Domestic division International division ● Mail support
Service hotline: 400-090-9966
Fax: 0755-6114-6789
Working hours: 09: 00 ~ 12: 00;  13:00~19:00
Rest days: 24/7
Tel: 0755-6114-5028
Fax: 0755-6113-7976
Working hours: 09:00~18:00 (Monday to Saturday)
Rest days: weekends and national holidays
Dear users:
If you have any comments or suggestions on our products, please contact us.
E-mail:  cttcable@hotmail.com
We will reply to your information within 2 working days.

 

Scope of application:

Product characteristics

This product is suitable for power transmission in power lines with rated voltage of 0.6/1KV and below.  Since the cable insulation materials are all made of inorganic materials, the materials themselves will not cause fire and cannot burn or support combustion. Since the melting point of copper is 1083℃, the cable can continue to maintain power supply in case of fire near the melting point of copper, which is a real fire-proof cable.  And can pass BS 6387 C, w and z tests.
 
It is mostly used in many occasions with flame retardant requirements for cables, such as high-rise buildings, hotels, hospitals, subways, nuclear power plants, power plants, ores, petroleum, chemical industry, etc.
● High current carrying capacity and waterproof
 
● Explosion-proof characteristics: since the copper sheath used for mineral insulated cables is seamless copper tube, flammable gas, oil vapor and flame cannot reach the electrical equipment connected with the cables, thus the cables have explosion-proof characteristics.
 
● Corrosion resistance: since copper has good corrosion resistance, no additional protection is required under normal use environment. Under special environmental conditions, such as environment with strong corrosion effect on copper, a layer of PVC outer sheath is added outside the cable, so the cable has good corrosion resistance.
 
● Mechanical damage resistance, long service life, halogen-free and nontoxic
 
● Long service life: since all materials used in cables are inorganic materials, they will not age.    
 
● Halogen-free and non-toxic: since cables are all composed of inorganic substances, they will not generate smoke, halogen and toxic gas even if burned at 1000℃, which is a truly halogen-free and non-toxic cable.
 
● Overload-resistant, copper sheath can be used as grounding wire product structure BBTRZ fireproof cable is composed of copper stranded wire, mineral compound filled wrapping and low-smoke halogen-free sheath
 

Product implementation standards:

● the fire resistance of the fire-proof cable BBTRZ meets the requirements of bs 6387c.w.z.
● the flame retardant property of fire-proof cable BBTRZ conforms to GB/T18380 flame retardant class a standard
● the halogen acid gas release test of fire-proof cable BBTRZ shall be able to pass the requirements of GB/T17650.1-2002, i.e. the determination of total halogen acid gas < 5mg/g and GB/T17650.2-2002. the acidity of the gas shall be determined by measuring PH value and conductivity (PH>=4 3 in 1L of water and conductivity value shall not exceed 10us/mrn). the smoke density test shall be able to pass the smoke density determination of GB/T17651.2-2002 cable or optical cable burning under specific conditions (minimum transmittance ≥60%)
● Fireproof cable BBTRZ-A shall be able to withstand 3.5minKV AC voltage test without breakdown for 5 minutes
● In addition to the above characteristics, its induced energy shall conform to GB/T12706.1-2002 standard

 

Conductor

oversheath

Electrician copper

Low smoke halogen-free material with good corrosion resistance

insulation

Rated voltage

Inorganic insulating material with flame retardant and high temperature resistant properties

U0/U: 0.6/1 kV

Core marking

test voltage

ribbon

4000 V

Conductor twist

Grounding protection core wire

Class 2/IEC 60228 Class 2

G = core wire with yellow-green grounding protection
 
X = excluding yellow-green grounding protection core wire

Metal sheath

temperature range

Copper alloy has good bending characteristics and can be used as grounding wire.

Fixed installation:-40 c to+250 c

 

Delivery length transport
● Cables weighing less than 80kg are allowed to be delivered in loops. Each finished cable must be no less than 100m long or delivered by any length agreed by both parties.
 
● Allow delivery of any length according to the agreement
● The cable must be securely fastened during transportation to avoid damage to the cable or the disc caused by collision or overturning.
 
● Prevent serious bending and other mechanical damage to the cable tray.
 
● It is strictly forbidden to drop the cable tray with cables from the height during transportation.
 
● Cable hoisting uses special lifting equipment. It is strictly forbidden to lift the cable or directly drive the cable from high altitude.
Length error Storage

● The length measurement error should not exceed ±0.5%

● The finished cable should be stored in an environment with a temperature between 0 and 40 ° C and a humidity of 85% or less. Do not expose it to direct sunlight or rain. Use proper ventilation to keep the environment dry.

package Installation instructions
● The coiled or formed cable should be wound up neatly and properly packaged. Cable reels shall comply with the provisions of JB/T 8137-1999.
 
● The cable end should be reliably sealed. The cable end protruding from the outside of the disk should be covered with a protective cover. The extension length is less than 300mm.
 
● The cable package should bear a label indicating:
 
a) Manufacturer's name and trademark
 
b) Cable type and specifications
 
c) rated voltage
 
d) length (m)
 
e) Weight (Kg)
 
f) date of manufacture
 
g) Standard number or certification mark
 
h) Symbol of the correct rotation direction of the cable reel
● When installing, the ambient temperature should not be lower than 0 °C. If the temperature of the thermometer test environment is lower than 0 °C, the cable should be pre-heat treated before being installed.
 
● The bending radius during cable laying should be strictly controlled to avoid mechanical damage inside the cable.
 
● If a quality accident occurs in the cable laying process (such as damage to the outer sheath), it should be repaired immediately or notified to the after-sales service department of the company.

 

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  • E-mail: cttcable@gmail.com
  • Chengtiantai Industrial Park, Jinjiao Industrial Zone, Lisonglang Community, Baoan District, Shenzhen
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