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Data & Communication Cables, Wires & Cables
LI2Y(ST)CY (TP)
Application
These data cables with twisted pairs are used for interference-free transmission of data and signals over longer distances. The high transmission rate are suitable for RS 422 and RS 485 interfaces. This cable forms an integral part of supervisory control and data acquisition (SCADA) systems.
These cables are suitable for fixed installations as well as for flexing applications, for free movement without forced motion and without tensile stress in dry and moist environment.
Technical Data
Standard: Based on VDE 0812
Voltage Grade (Not for power installation): Max. 250 V
Test Voltage: Core/core 2000 V. Core/screen 1000 V
Insulation Resistance: Min. 5000 GΩ x cm
Mutual Capacitance*: Max. 60 nF/km
Characteristic Impedance*: 100 Ω ±15
Cross-talk Attenuation: Upto 1 MHz min. 50 dB. Upto 10 MHz min. 40 dB
Inductance: Approx. 0.65 mH/km
Temperature Range: Flexing -5°C to +70°C.
Fixed installation -30°C to +70°C
Minimum Bending Radius: Flexing 15 x cable ø. Fixed installation 6 x cable ø
Cable Construction
Bare copper stranded 7 wire conductor Conductor make-up for
0.22 mm² = 7 x 0.20 mm
0.34 mm² = 7 x 0.25 mm 0.5 mm² = 7 x 0.30 mm
Conductor resistance (loop) at 20°C
0.22 mm² = 186 Ω/km (max.)
0.34 mm² = 115 Ω/km (max.)
0.5 mm² = 78.5 Ω/km (max.)
Metal coated copper is also offered on request.
Core insulation of PE (Polyethyelene).
Core colours as per DIN 47100 (Refer table no. 2-1)
Cores stranded in pair with optimal lay-length.
Pair stranded in layers with optimal lay-length.
Aluminium backed PETP foil over the laid up pairs.
Tinned copper braided screen, approx 85% coverage.
Special PVC outer sheath TM2, to EN 50363-4.1.
Sheath colour grey (RAL 7032).
Type …… Yv with reinforced black outer sheath suitable for outdoor application.
For underground burial, armoured version available on request.
Properties
PVC self-extinguishing and flame retardant according to EN 60332-1-2.
The twisted-pair lay-up prevents electrical unbalances within the cable and this thus effectively suppresses cross-talking effects.
*applicable upto 0.5 Sq. mm.
Cable Design Parameters
| Part Number | No. of Pairs & Nominal Cross Sectional Area(Sq.mm) | Approx. Cable Diameter (mm) | Approx. Copper Weight (kg/km) | Approx. Cable Weight (kg/km) | |
|---|---|---|---|---|---|
| Li2Y(St)CY (TP) Grey | 050500221022 | 2 x 2 x 0.22 | 8.1 | 25.0 | 67 |
| 050500321022 | 3 x 2 x 0.22 | 8.2 | 29.1 | 77 | |
| 050500421022 | 4 x 2 x 0.22 | 9.2 | 36.0 | 93 | |
| 050500821022 | 8 x 2 x 0.22 | 12.0 | 60.7 | 154 | |
| 050501021022 | 10x2x0.22 | 13.2 | 71.8 | 182 | |
| 050500121034 | 2 x 2 x 0.34 | 8.6 | 31.7 | 78 | |
| 050500221034 | 3 x 2 x 0.34 | 8.7 | 37.6 | 90 | |
| 050500321034 | 4 x 2 x 0.34 | 9.7 | 46.4 | 110 | |
| 050500421034 | 8 x 2 x 0.34 | 12.9 | 81.7 | 185 | |
| 050500821034 | 10 x 2 x 0.34 | 14.1 | 96.7 | 219 | |
| 050500221050 | 2 x 2 x 0.5 | 9.1 | 38.9 | 89 | |
| 050500321050 | 3 x 2 x 0.5 | 9.2 | 48.1 | 105 | |
| 050500421050 | 4 x 2 x 0.5 | 10.3 | 59.9 | 129 | |
| 050500821050 | 8 x 2 x 0.5 | 13.7 | 106.6 | 221 | |
| 050501021050 | 10 x 2x 0.5 | 15.0 | 127.9 | 263 | |
| 05050022l075 | 2 x 2 x 0.75 | 9.7 | 50.1 | 106 | |
| 05050082l075 | 3 x 2 x 0.75 | 9.9 | 63.5 | 127 | |
| 05050042l075 | 4 x 2 x 0.75 | 11.1 | 80.8 | 158 | |
| 050500821075 | 8 x 2 x 0.75 | 14.8 | 145.2 | 274 | |
| 050501021075 | 10 x 2 x 0.75 | 16.3 | 178.3 | 331 | |
| 050500220001 | 2 x 2 x 1 | 10.4 | 60.2 | 122 | |
| 050500320001 | 3 x 2 x 1 | 10.6 | 81.8 | 152 | |
| 050500420001 | 4 x 2 x 1 | 11.9 | 103.0 | 189 | |
| 050500820001 | 8 x 2 x 1 | 15.9 | 189.1 | 333 | |
| 050501020001 | 10 x 2 x 1 | 17.5 | 229.1 | 401 | |
| Li2Y(St)CYv (TP) | 050600221022 | 2 x 2 x 0.22 | 8.4 | 25.0 | 73 |
| 050600321022 | 3 x 2 x 0.22 | 8.5 | 29.1 | 83 | |
| 050600421022 | 4 x 2 x 0.22 | 9.5 | 36.0 | 100 | |
| 050600821022 | 8 x 2 x 0.22 | 12.3 | 60.7 | 163 | |
| 050601021022 | 10 x 2 x O.22 | 13.5 | 71.8 | 191 | |
| 050600221034 | 2 x 2 x 0.34 | 8.9 | 31.7 | 84 | |
| 050600321034 | 3x2x0.34 | 9.0 | 37.6 | 96 | |
| 050600421034 | 4 x 2 x 0.34 | 10.0 | 46.4 | 117 | |
| 050600821034 | 8x2x0.34 | 13.2 | 81.7 | 195 | |
| 050601021034 | 10 x 2 x 0.34 | 14.4 | 96.7 | 229 | |
| 050600221050 | 2 x 2 x 0.5 | 9.4 | 38.9 | 96 | |
| 050600321050 | 3 x 2 x 0.5 | 9.5 | 48.1 | 112 | |
| 050600421050 | 4 x 2 x 0.5 | 10.6 | 59.9 | 137 | |
| 050600821050 | 8 x 2 x 0.5 | 14.0 | 106.6 | 231 | |
| 050601021050 | 10 x 2 x 0.5 | 15.3 | 127.9 | 274 | |
| 050600221075 | 2 x 2 x 0.75 | 10.0 | 50.1 | 113 | |
| 050600321075 | 3 x 2 x 0.75 | 10.2 | 63.5 | 134 | |
| 050600421075 | 4 x 2 x 0.75 | 11.4 | 80.8 | 166 | |
| 050600821075 | 8 x 2 x 0.75 | 15.1 | 145.2 | 285 | |
| 050601021075 | 10 x 2 x 0.75 | 16.6 | 178.3 | 343 | |
| 050600220001 | 2 x 2 x 1 | 10.7 | 60.2 | 129 | |
| 050600320001 | 3 x 2 x 1 | 10.9 | 81.8 | 160 | |
| 050600420001 | 4 x 2 x 1 | 12.2 | 103.0 | 198 | |
| 050600820001 | 8 x 2 x 1 | 162 | 189.1 | 345 | |
| 050601020001 | 10 x 2 x 1 | 17.8 | 229.1 | 414 |
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