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Railway Cables
RAILSIG/RAILOPTICS/RAILDATA/RAILCOX Railway Telecom Cables
G7623 Trackside Communications Cables
Application
G7623 Trackside Communications Cables are designed for limited fi re hazard applications for internal use
within stations, buildings and equipment rooms.
Construction
Conductors : Tinned annealed solid copper, 0.5/0.6/0.63 mm nominal diameter.
Insulation : LSZH Insulation.
Cabling Element : Two insulated conductors are twisted together to form a pair.
Stranding : Cables are composed of unit stranding.
Core Wrapping : Non-hygroscopic plastic tape with overlapping.
Outer Sheath : LSZH sheath.
Reference Standards
LUL Spec G7623 A2

Electrical Characteristics at 20℃
| Nominal Conductor Diameter | mm | 0.5 | 0.6 | 0.63 |
|---|---|---|---|---|
| Maximum Conductor Resistance | Ω/km | 98 | 68 | 58 |
| Minimum Insulation Resistance @500 V DC | MΩ.km | 120 | 120 | 120 |
| Maximum Average Mutual Capacitance @1KHz | nF/km | 80 | 80 | 80 |
| Maximum Average Capacitance Unbalance @800Hz pair-to-pair | 500 | 500 | 500 | |
| Test Voltage AC 1min | V | 500 | 500 | 500 |
Mechanical and Thermal Properties
Minimum Bending Radius: 7.5×OD
Temperature Range: -30℃ to +70℃ (during operation);
-10℃ +55℃ (during installation)
Core Identification
| Pair Number |
A Wire | B Wire | Pair Size | 20 Pair | 40 Pair | 80 Pair | 100 Pair | 160 Pair | 320 Pair |
|---|---|---|---|---|---|---|---|---|---|
| Number of Units | |||||||||
| Center | 1 | 2 | 1 | 3x1/2 | 2 | 1 | |||
| 1st Layer | 6x1/2* | 7x1/2 | 6 | 5 | |||||
| 2nd Layer | 10 | ||||||||
| 1 | WHITE | BLUE | 1 | ORANGE | ORANGE | ORANGE | BLUE | ORANGE | ORANGE |
| 2 | WHITE | ORANGE | 2 | GREEN | ORANGE | ORANGE | GREEN | ORANGE | |
| 3 | WHITE | GREEN | 3 | NATURAL | GREEN | ORANGE | NATURAL | ||
| 4 | WHITE | BROWN | 4 | GREEN | BROWN | NATURAL | NATURAL | ||
| 5 | WHITE | GREY | 5 | GREY | NATURAL | NATURAL | |||
| 6 | RED | BLUE | 6 | WHITE | NATURAL | GREEN | |||
| 7 | RED | ORANGE | 7 | RED | NATURAL | ORANGE | |||
| 8 | RED | GREEN | 8 | BLACK | GREEN | NATURAL | |||
| 9 | RED | BROWN | 9 | YELLOW | NATURAL | ||||
| 10 | RED | GREY | 10 | VIOLET | NATURAL | ||||
| 11 | BLACK | BLUE | 11 | NATURAL | |||||
| 12 | BLACK | ORANGE | 12 | NATURAL | |||||
| 13 | BLACK | GREEN | 13 | NATURAL | |||||
| 14 | BLACK | BROWN | 14 | NATURAL | |||||
| 15 | BLACK | GREY | 15 | NATURAL | |||||
| 16 | YELLOW | BLUE | 16 | GREEN | |||||
| 17 | YELLOW | ORANGE | |||||||
| 18 | YELLOW | GREEN | |||||||
| 19 | YELLOW | BROWN | |||||||
| 20 | YELLOW | GREY | |||||||
*1/2 refers to units of 10 Pairs
Dimensions And Weight
| Cable Code | No. of pairs | Minimum Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
|---|---|---|---|---|
| 0.5mm Conductor, 0.82mm Insulated Wire | ||||
RS7623A2-HH-1P0.5 |
1 | 1.3 | 6.0 | 30 |
RS7623A2-HH-2P0.5 |
2 | 1.3 | 7.0 | 45 |
RS7623A2-HH-3P0.5 |
3 | 1.4 | 7.0 | 50 |
RS7623A2-HH-6P0.5 |
6 | 1.5 | 9.0 | 61 |
RS7623A2-HH-10P0.5 |
10 | 1.6 | 11.0 | 107 |
RS7623A2-HH-20P0.5 |
20 | 1.9 | 14.0 | 190 |
RS7623A2-HH-40P0.5 |
40 | 1.9 | 16.0 | 320 |
RS7623A2-HH-80P0.5 |
80 | 2.2 | 23.0 | 640 |
RS7623A2-HH-100P0.5 |
100 | 2.2 | 25.0 | 760 |
RS7623A2-HH-160P0.5 |
160 | 2.6 | 29.0 | 1150 |
| 0.6mm Conductor, 1.12mm Insulated Wire | ||||
RS7623A2-HH-1P0.6 |
1 | 1.4 | 6.0 | 35 |
RS7623A2-HH-2P0.6 |
2 | 1.4 | 7.0 | 50 |
RS7623A2-HH-3P0.6 |
3 | 1.5 | 7.0 | 60 |
RS7623A2-HH-6P0.6 |
6 | 1.6 | 9.0 | 85 |
RS7623A2-HH-10P0.6 |
10 | 1.7 | 11.0 | 145 |
RS7623A2-HH-20P0.6 |
20 | 2.2 | 14.0 | 245 |
RS7623A2-HH-40P0.6 |
40 | 2.2 | 18.0 | 410 |
RS7623A2-HH-80P0.6 |
80 | 2.8 | 25.0 | 830 |
RS7623A2-HH-100P0.6 |
100 | 2.8 | 27.0 | 980 |
RS7623A2-HH-160P0.6 |
160 | 3.2 | 33.0 | 1450 |
| 0.63mm Conductor, 1.15mm Insulated Wire | ||||
RS7623A2-HH-1P0.63 |
1 | 1.4 | 5.5 | 40 |
RS7623A2-HH-3P0.63 |
3 | 1.5 | 7.3 | 70 |
RS7623A2-HH-5P0.63 |
5 | 1.6 | 8.5 | 89 |
RS7623A2-HH-6P0.63 |
6 | 1.6 | 8.9 | 100 |
RS7623A2-HH-10P0.63 |
10 | 1.7 | 11.1 | 170 |
RS7623A2-HH-12P0.63 |
12 | 1.7 | 11.6 | 195 |
RS7623A2-HH-160P0.63 |
160 | 3.2 | 35.0 | 1595 |
Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information







