Twisted & Multipair Industrial Cable

Twisted pair cables are a type of wiring that features two conductors on a single circuit, twisted together. When a wire is carrying its current, it naturally creates an electromagnetic fields around that wire, therefore interfering with nearby cables. To reduce and eliminate this effect, twisted pairs carry signals in the opposite directions, so the two magnetic fields will occur at the opposite ends, essentially cancelling each other out. This is commonly known as cancellation.

Why use a twisted pair cable?

Generally, over a typical coaxial cable, twisted pairs are usually more accommodating in terms of flexibility and being able to bend them without significant loss in signal. The thickness of a coaxial cable can also attribute to the cost to produce, therefore the twisted offers a cheaper alternative whilst maintaining a high quality.

The twisted cable usually comes in two basic types, either shielded (STP) or unshielded (UTP), depending on where you were using the cable would determine the usage.

Some common industry acronyms you might see are:

U = unshielded
F = foil shielding
TP = twisted pair
S = braided shielding
Different levels of shielding will determine the effectiveness of the cable, each offering its own benefits.

Applications of twisted pairs

Twisted pairs are commonly used in telephone and data networks as they are reliable in exchanging high volumes of data at fast speeds all whilst remaining consistent at negating the crosstalk between the pairs and defending against any other external interference. Some twisted pair cables feature great resistance to fire and are sometimes halogen free, making them ideal for public buildings like schools, offices or hospitals.

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Description Price Number of Pairs Cross Sectional Area Cable Type American Wire Gauge Outer Diameter Shield Type Outer Sheath Material Sheath Colour Characteristic Impedance Core Strands Screened/Unscreened Voltage Rating Fire Behaviour Length
RS庫存編號 608-4149
製造零件編號0035806
BrandLapp
HK$2,013.88
毎卷:50 米
Reel(s)
12 0.25 mm² LiYCY 24 AWG 11.3mm S/UTP PVC Grey - - Screened 500 V Flame Retardant 50m
RS庫存編號 362-566
製造零件編號44A1121-24-2/6-9
HK$3,780.18
毎卷:100 米
Reel(s)
1 0.25 mm² Type 44 24 AWG 3.05mm S/UTP - White - 19/0.13 mm Screened 600 V Flame Retardant, Low Smoke Density, Self-extinguishing 100m
RS庫存編號 382-829
製造零件編號9504.00U305
BrandBelden
HK$4,797.70
1 盒 304 米
Box(es)
4 0.2 mm² Twisted Pair 24 AWG 6.73mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS庫存編號 382-7230
製造零件編號8762NH.00305
BrandBelden
HK$5,020.50
毎卷:304 米
Reel(s)
1 0.5 mm² Twisted Pair 20 AWG 5.6mm F/UTP LSZH Chrome - 7/28 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS庫存編號 382-7381
製造零件編號9842NH.00305
BrandBelden
HK$16,425.47
毎卷:304 米
Reel(s)
2 0.2 mm² Twisted Pair 24 AWG 8.7mm SF/UTP LSZH Chrome 120 Ω 7/32 Screened 300 V - 304m
RS庫存編號 802-323
製造零件編號9502.00U305
BrandBelden
HK$3,201.42
1 盒 304 米
Box(es)
2 0.2 mm² Twisted Pair 24 AWG 5.64mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS庫存編號 382-7303
製造零件編號9502NH.00305
BrandBelden
HK$3,873.24
1 盒 304 米
Box(es)
2 0.2 mm² Twisted Pair 24 AWG 5.9mm F/UTP LSZH Chrome - 7/32 Screened 300 V Flame Retardant 304m
RS庫存編號 331-8966
製造零件編號8164.00152
BrandBelden
HK$12,023.88
毎卷:152 米
Reel(s)
4 0.23 mm² Twisted Pair 24 AWG 9.86mm SF/FTP PVC Chrome 100 Ω 7/32 Screened 300 V - 152m
RS庫存編號 408-833
製造零件編號86702CY SL005
BrandAlpha Wire
HK$1,872.21
毎卷:30 米
Reel(s)
2 0.38 mm² Twisted Pair 22 AWG 7.29mm SF/UTP PVC Black 53 Ω 19/0.16 mm Screened 300 V - 30m
RS庫存編號 802-373
製造零件編號9729.003
BrandBelden
HK$1,162.66
毎卷:30 米
Reel(s)
2 0.22 mm² Twisted Pair 24 AWG 6.76mm U/STP PVC Chrome 100 Ω 7/32 Screened 300 V - 30m
RS庫存編號 229-1545
製造零件編號44A1121-18-0/9-9
HK$7,732.16
毎卷:100 米
Reel(s)
1 0.93 mm² Type 44 18 AWG 4.57mm S/UTP - White - 19/0.25 mm Screened 600 V Flame Retardant, Low Smoke Density, Self-extinguishing 100m
RS庫存編號 382-7319
製造零件編號9503NH.00305
BrandBelden
HK$3,753.30
1 盒 304 米
Box(es)
3 0.2 mm² Twisted Pair 24 AWG 6.2mm F/UTP LSZH Chrome - 7/32 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS庫存編號 331-8972
製造零件編號8163.01152
BrandBelden
HK$8,890.22
毎卷:152 米
Reel(s)
3 0.2 mm² Twisted Pair 24 AWG 9.12mm SF/FTP PVC Chrome 100 Ω 7/32 Screened 300 V - 152m
RS庫存編號 409-331
製造零件編號5276C SL005
BrandAlpha Wire
HK$2,383.60
毎卷:30 米
Reel(s)
6 0.23 mm² Twisted Pair 24 AWG 7.98mm SF/UTP PVC Grey 82 Ω 7/0.2 mm Screened 300 V Fire Resistant 30m
RS庫存編號 382-598
製造零件編號9506.01152
BrandBelden
HK$3,350.00
1 盒 152 米
Box(es)
6 0.2 mm² Twisted Pair 24 AWG 7.34mm SF/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 152m
RS庫存編號 168-3066
製造零件編號6010C SL001
BrandAlpha Wire
HK$4,391.79
毎卷:304 米
Reel(s)
3 0.35 mm² Twisted Pair 22 AWG 7.57mm F/UTP PVC Grey 55 Ω 7/0.25 mm Screened 300 V Flame Retardant 304m
RS庫存編號 807-9180
製造零件編號0038404
BrandLapp
HK$1,250.70
毎卷:50 米
Reel(s)
4 0.25 mm² LiHCH 24 AWG 7.8mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS庫存編號 111-9234
製造零件編號6010C SL005
BrandAlpha Wire
HK$720.69
毎卷:30 米
Reel(s)
3 0.35 mm² Twisted Pair 22 AWG 7.57mm F/UTP PVC Grey 55 Ω 7/0.25 mm Screened 300 V Flame Retardant 30m
RS庫存編號 393-826
製造零件編號6010C SL033
BrandAlpha Wire
HK$2,635.23
毎卷:100 米
Reel(s)
3 0.35 mm² Twisted Pair 22 AWG 7.57mm F/UTP PVC Grey 55 Ω 7/0.25 mm Screened 300 V - 100m
RS庫存編號 832-5174
製造零件編號78373
BrandAlpha Wire
HK$2,649.01
毎卷:30 米
Reel(s)
3 0.241 mm² Twisted Pair 24 AWG 5.16mm Foil and Braid MPPE Grey 75 Ω 19/0.127 mm Screened 300 V Halogen Free 30m