Low Smoke Mineral Insulated Cable Flexible BTTZ Series High Temperature Cable
Low Smoke Mineral Insulated Cable Flexible BTTZ Series High Temperature Cable image
Low Smoke Mineral Insulated Cable Flexible BTTZ Series High Temperature Cable
Structure of flexible fireproof cable
Rated Voltage: 0.6/1kV
Nom. Cross-section of conductor
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Strands No./Dia. Of Conductor
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Nominal Insulation Thickness
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Conductor resistance Ω/km at 20 ℃ not more than
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Calculation of resistance of copper sheath at 20 ℃(Ω/km)
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|||
mm2
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pc/mm
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mm
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Ω/km
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1 core
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2 core
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3 core
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4 core
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1×1
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1/1.13
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0.8
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18.1
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4.53
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2.2
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2.08
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1.9
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1 × 1.5
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1/1.38
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0.8
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12.1
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4.19
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2
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1.89
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1.73
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1 × 2.5
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1/1.78
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0.8
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7.41
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3.75
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1.75
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1.36
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1.24
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1 × 4
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1/2.25
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0.8
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4.61
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2.61
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1.26
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1.18
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1.08
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1 × 6
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1/2.76
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0.8
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3.08
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2.33
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1.11
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1.04
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0.945
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1 × 10
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7/1.34
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1.0
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1.83
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1.74
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0.689
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0.646
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0.586
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1 × 16
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7/1.68
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1.0
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1.15
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1.19
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0.587
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0.55
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0.432
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1 × 25
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7/2.12
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1.0
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0.727
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1.05
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0.429
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0.401
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0.32
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1 × 35
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7/2.52
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1.0
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0.524
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0.935
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0.377
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0.341
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0.28
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1 × 50
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19/1.76
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1.2
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0.387
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0.68
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0.285
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0.266
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0.215
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1 × 70
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19/2.12
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1.2
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0.268
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0.591
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0.22
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0.205
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0.185
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1 × 95
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19/2.50
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1.2
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0.193
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0.451
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0.191
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0.179
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–
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1 × 120
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37/2.02
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1.2
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0.153
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0.408
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0.172
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–
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–
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1 × 150
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37/2.25
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1.4
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0.124
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0.366
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–
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–
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–
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1 × 185
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37/2.50
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1.4
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0.0991
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0.297
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–
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–
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–
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1 × 240
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37/2.87
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1.4
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0.0754
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0.263
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–
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–
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–
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1 × 300
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61/2.50
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1.6
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0.0601
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0.212
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–
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–
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–
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1 × 400
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61/2.80
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1.6
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0.047
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0.193
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–
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–
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–
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1 × 500
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91/2.60
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1.8
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0.0366
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0.149
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–
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–
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–
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1 × 630
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91/2.88
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1.8
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0.0283
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0.129
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–
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–
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–
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Tags: Mineral Insulated Cable, mineral insulated copper cable, mineral insulated wire