International standards
World-class quality assurance

Participate in multiple overseas projects

Participate in multiple overseas projects

British brand
Zero rejection from global consultants

Extensive experience in overseas project submission

Extensive experience in overseas project submission

Perfect combination of creativity and technology
Each cable is made as per demand

Special cable customization service

Special cable customization service
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Foam Skin Insulated & AP Sheathed (ALPETH) Jelly Filled Cables to GR-421

Minimum EL Far-end Cross-talk-Mean Power Sum          
@150KHz dB/305m / dB/kft 61 63 63 65
@772KHz dB/305m / dB/kft 47 49 49 57
@1.6MHz dB/305m / dB/kft 41 42 43 44
@3.15MHz dB/305m / dB/kft 35 37 37 39
@6.3MHz dB/305m / dB/kft 29 31 31 33
Minimum Far-end Cross-talk-Worst Pair Power Sum          
@150KHz dB/305m / dB/kft 57 57 57 59
@772KHz dB/305m / dB/kft 43 43 43 45
@1.6MHz dB/305m / dB/kft 37 37 37 39
@3.15MHz dB/305m / dB/kft 31 31 31 33
@6.3MHz dB/305m / dB/kft 25 25 25 27
Minimum Near-end Cross-talk-Mean Power Sum          
@150KHz dB/305m / dB/kft 58 58 58 58
@772KHz dB/305m / dB/kft 47 47 47 47
@1.6MHz dB/305m / dB/kft 43 43 43 43
@3.15MHz dB/305m / dB/kft 38 38 38 38
@6.3MHz dB/305m / dB/kft 34 34 34 34
Minimum Near-end Cross-talk-Worst Pair Power Sum          
@150KHz dB/305m / dB/kft 53 53 53 53
@772KHz dB/305m / dB/kft 42 42 42 42
@1.6MHz dB/305m / dB/kft 38 38 38 38
@3.15MHz dB/305m / dB/kft 33 33 33 33
@6.3MHz dB/305m / dB/kft 29 29 29 29
Nominal Insulation Thickness mm 0.175 0.2 0.26 0.3
Nominal Insulated Conductor Diameter mm 0.75 0.9 1.15 1.5

Mechanical and Thermal Properties

Temperature range during operation (fixed state): -30°C – +70°C
Temperature range during installation (mobile state): -20°C – +50°C
Minimum bending radius: 10 x Overall Diameter (unarmoured cables);15 x Overall Diameter (armoured cables)

Colour Code

Standard colour code is per GR-421 given in Colour Code Chart

Dimensions And Weight

Foam Skin Insulated & AP Sheathed (ALPETH) Jelly Filled Cables to GR-421  

Cable Code Number of Pairs Nominal Sheath
Thickness
mm/inch		 Nominal Overall
Diameter
mm/inch		 Nominal
Weight
kg/km / lbs/kft
0.4mm Conductor, 0.75mm Insulated Wire
TP421-02YSF(A)2Y-20P04 20 1.8/0.071 12.5/0.492 125/84
TP421-02YSF(A)2Y-25P04 25 1.8/0.071 13.5/0.531 150/101
TP421-02YSF(A)2Y-30P04 30 1.8/0.071 14.0/0.551 200/134
TP421-02YSF(A)2Y-50P04 50 1.8/0.071 16.5/0.650 280/188
TP421-02YSF(A)2Y-100P04 100 1.8/0.071 21.0/0.827 450/302
TP421-02YSF(A)2Y-200P04 200 1.9/0.075 27.0/1.06 840/564
TP421-02YSF(A)2Y-300P04 300 2.0/0.079 32.0/1.26 1205/810
TP421-02YSF(A)2Y-400P04 400 2.0/0.079 35.5/1.40 1670/1122
TP421-02YSF(A)2Y-600P04 600 2.2/0.087 42.0/1.65 2430/1633
TP421-02YSF(A)2Y-800P04 800 2.3/0.091 48.0/1.89 3155/2120
TP421-02YSF(A)2Y-900P04 900 2.3/0.091 50.5/1.99 3480/2338
TP421-02YSF(A)2Y-1000P04 1000 2.4/0.094 53.0/2.09 3930/2641
TP421-02YSF(A)2Y-1200P04 1200 2.6/0.102 57.0/2.24 4870/3272
TP421-02YSF(A)2Y-1500P04 1500 2.7/0.106 63.5/2.50 5830/3918
TP421-02YSF(A)2Y-1600P04 1600 2.7/0.106 65.5/2.58 6285/4223
TP421-02YSF(A)2Y-1800P04 1800 2.8/0.110 69.0/2.72 7000/4704
TP421-02YSF(A)2Y-2000P04 2000 2.9/0.114 72.0/2.83 7660/5147
TP421-02YSF(A)2Y-2100P04 2100 2.9/0.114 74.0/2.91 8025/5393
TP421-02YSF(A)2Y-2400P04 2400 3.0/0.118 79.0/3.11 9025/6065
0.5mm Conductor, 0.9mm Insulated Wire
TP421-02YSF(A)2Y-200P05 200 1.7/0.067 31.0/1.22 1245/837
TP421-02YSF(A)2Y-300P05 300 1.7/0.067 38.0/1.50 1845/1240
TP421-02YSF(A)2Y-400P05 400 1.8/0.071 43.0/1.69 2490/1673
TP421-02YSF(A)2Y-600P05 600 1.8/0.071 50.0/1.97 3650/2453
TP421-02YSF(A)2Y-800P05 800 1.8/0.071 56.5/2.22 4810/3232
TP421-02YSF(A)2Y-900P05 900 1.9/0.075 59.0/2.32 5300/3561
TP421-02YSF(A)2Y-1200P05 1200 1.9/0.075 69.0/2.72 7210/4845
TP421-02YSF(A)2Y-1600P05 1600 2.0/0.079 77.0/3.03 9280/6236
0.63mm Conductor, 1.15mm Insulated Wire
TP421-02YSF(A)2Y-10P063 10 1.2/0.047 13.5/0.531 160/108
TP421-02YSF(A)2Y-20P063 20 1.2/0.047 16.5/0.650 260/175
TP421-02YSF(A)2Y-30P063 30 1.2/0.047 19.0/0.748 360/242
TP421-02YSF(A)2Y-200P063 200 1.2/0.047 40.5/1.59 2025/1361
TP421-02YSF(A)2Y-300P063 300 1.4/0.055 48.0/1.89 3025/2033
TP421-02YSF(A)2Y-400P063 400 1.5/0.059 55.0/2.17 4025/2705
TP421-02YSF(A)2Y-600P063 600 1.6/0.063 66.0/2.60 5925/3981
TP421-02YSF(A)2Y-900P063 900 1.6/0.063 79.0/3.11 8800/5913
TP421-02YSF(A)2Y-1200P063 1200 1.8/0.071 90.0/3.54 11400/7660
0.9mm Conductor, 1.5mm Insulated Wire
TP421-02YSF(A)2Y-25P09 25 1.2/0.047 19.8/0.78 528/355
TP421-02YSF(A)2Y-50P09 50 1.2/0.047 26.2/1.03 975/655
TP421-02YSF(A)2Y-100P09 100 1.2/0.047 34.8/1.37 1823/1225
TP421-02YSF(A)2Y-200P09 200 1.2/0.047 48.8/1.92 3578/2404
TP421-02YSF(A)2Y-300P09 300 1.4/0.055 58.4/2.30 5259/3534

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