Flexible High Temperature Resistant Cable Mineral Insulated Heat
Proof Wire
Constructions
Conductor: Stranded copper conductor
Insulation: Inorganic insulation
Operation character
Fire-resistant property
(1) According to national standards, fire-resistant wire and cable
fire test method characteristic test, according to GB12666.6
Class A, burn in fire with flame temperature 950°C, apply voltage of 750V between phase and phase and between phase and
outer sheath,it should be able to withstand for 90min without
breakdown.
Class B, bun in fire with flame temperature 750-800°C, apply voltage of 750V between phase and phase and between phase and
outer sheath,it should be able to withstand for 90min without
breakdown.
(2) According to the BS6378,flexible fireproof cable satisfies the
following requirements:
Class A 650°C 3h
Class B 750°C 3h
Class C 950°C 3h
Class S 950°C 20min
Electrical characteristics
(1) Rated voltage: 0.6/1kV
(2) Rated working voltage: light load 500V, heavy load 750V;
(3) Rated current: single-core 25A-1,800A: multi-core 16A-500A;
(4) Insulation resistance: insulation resistance≥ 1000MΩkm. Cable
length less than 100m, then the insulation resistance≥ 10000MΩ;
(5) Power frequency withstand voltage: apply voltage of 2,000V and
2,500V between phase and phase as well as phase and copper sheath
of cables of 500V and 750V respectively, they should be able to
withstand for 15min without being broken down.
0.6/1kv cu mineral insulated flexible BTTZ Series high temperature
cable
Nom. Cross-section of conductor | Strands No./Dia. Of Conductor | Thickness of metallic sheath | O.D. of Cable (mm) |
mm2 | pc/mm | 1 core | 2 core | 3 core | 4 core | 1 core | 2 core | 3 core | 4 core |
1x1 | 1/1.13 | 0.4 | 0.5 | 0.5 | 0.5 | 3.53 | 5.66 | 5.96 | 6.46 |
1 × 1.5 | 1/1.38 | 0.4 | 0.5 | 0.5 | 0.5 | 3.78 | 6.16 | 6.5 | 7.06 |
1 × 2.5 | 1/1.78 | 0.4 | 0.5 | 0.6 | 0.6 | 4.18 | 6.96 | 7.56 | 8.23 |
1 × 4 | 1/2.25 | 0.5 | 0.6 | 0.6 | 0.6 | 4.85 | 8.1 | 8.57 | 9.36 |
1 × 6 | 1/2.76 | 0.5 | 0.6 | 0.6 | 0.6 | 5.36 | 9.12 | 9.67 | 10.59 |
1 × 10 | 7/1.34 | 0.5 | 0.7 | 0.7 | 0.7 | 7.02 | 12.44 | 13.22 | 14.52 |
1 × 16 | 7/1.68 | 0.6 | 0.7 | 0.7 | 0.8 | 8.24 | 14.48 | 15.42 | 17.18 |
1 × 25 | 7/2.12 | 0.6 | 0.8 | 0.8 | 0.9 | 9.56 | 17.32 | 18.46 | 20.57 |
1 × 35 | 7/2.52 | 0.6 | 0.8 | 0.9 | 1 | 10.9 | 19.9 | 21.43 | 23.86 |
1 × 50 | 19/1.76 | 0.7 | 0.9 | 0.9 | 1 | 12.6 | 23 | 24.55 | 27.34 |
1 × 70 | 19/2.12 | 0.7 | 1 | 1 | 1 | 14.4 | 26.8 | 28.63 | 31.69 |
1 × 95 | 19/2.50 | 0.8 | 1 | 1 | - | 16.5 | 30.6 | 32.72 | - |
1 × 120 | 37/2.02 | 0.8 | 1 | - | - | 18.14 | 33.88 | - | - |
1 × 150 | 37/2.25 | 0.8 | - | - | - | 20.15 | - | - | - |
1 × 185 | 37/2.50 | 0.9 | - | - | - | 22.1 | - | - | - |
1 × 240 | 37/2.87 | 0.9 | - | - | - | 24.69 | - | - | - |
1 × 300 | 61/2.50 | 1 | - | - | - | 27.7 | - | - | - |
1 × 400 | 61/2.80 | 1 | - | - | - | 30.4 | - | - | - |
1 × 500 | 91/2.60 | 1.1 | - | - | - | 37.4 | - | - | - |
1 × 630 | 91/2.88 | 1.1 | - | - | - | 43.5 | - | - | - |
0.6/1kv cu mineral insulated flexible BTTZ Series high temperature
cable
