Integrated 9/11/18/20 Cores 0.75mm² UIC Databus Cables

Application

The Integrated 9/11/18/20 Cores 0.75mm² UIC Databus Cables are used as connecting cables to transmit digital signals inside railway rolling stocks.

Standards

DIN 5510-1

Construction

For 9 cores UIC databus cables:

4 cores
10 mm² stranded tinned copper conductor with LSZH insulation.

Combined Element
3 cores (with Cu-strand 2×6mm², 1×2.5mm²) are twisted with a fi lling element to a combined element. Wrapping: Overlapped plasticfoil(s).

Elements sheaths: TPE

UIC Data Bus 0.75mm²
Two foam skin insulated tinned copper stranded conductors are twisted together with two filling elements to a pair.

Wrapping: Overlapped plastic-foil(s).
Screen: Tinned copper wire braid screen
Element sheaths: TPE.

Stranding
4 strands are twisted to a core together with 3 cored element, the UIC data bus and two fi llers

Core Wrapping
Overlapped plastic-foil(s).

Outer Sheath
Cross-linked oil resistant LSZH compound.

For 11 cores UIC databus cables:

4 cores
10 mm² stranded tinned copper conductor with LSZH insulation.

Combined Element
5 cores (with Cu-strand 2×6mm², 1×2.5mm² and 2×1.0 mm²) are twisted with a fi lling element to form a combined element.

Wrapping: Overlapped plastic-foil(s).
Elements sheaths: TPE.

UIC Data Bus 0.75mm²
Two foam skin insulated tinned copper r stranded conductors are twisted together with two fi lling elements to a pair.

Wrapping: Overlapped plastic-foil(s).
Screen: Tinned copper wire braid screen.
Element sheaths: TPE.
Wrapping: Overlapped plastic-foil(s).

Stranding
4 strands are twisted to a core together with 5 cored element, the UIC data bus and two fi llers.

Core Wrapping
Overlapped plastic-foil(s).

Outer Sheath
Cross-linked oil resistant LSZH compound.

For 18/20 cores UIC databus cables:

Star Quad
Four LSZH insulated 1mm² stranded tinned copper conductors are twisted to form a star quad.

UIC Data Bus 0.75mm²
Two foam skin insulated tinned copper stranded conductors are twisted together with two filling elements to form a pair.

Wrapping: Overlapped plastic-foil(s)
Screen: Tinned copper wire braid screen
Element sheaths: TPE.
Wrapping: Overlapped plastic-foil(s)

Stranding
4 star quads are stranded together with 2 or 4 UIC data bus cable and several fi llers.

Core Wrapping
Overlapped plastic-foil(s).

Screen
Tinned copper-wire braid screen.

Outer Sheath
Cross-linked oil resistant LSZH compound.

Electrical Characteristics at 20℃

Nominal Cross Section	mm²	0.75	1	2.5	6	10
No of Strand/Strand Diameter		19/0.22	19/0.25	37/0.29	84/0.3	80/0.4
Maximum Conductor Resistant	Ω/km	26.7	20	8.21	3.39	1.95
Impedance@1.0-10MHz	Ω	120+/-12	-	-	-	-
Maximum Attenuation @1MHz	dB/km	10	-	-	-	-
Maximum Attenuation @1.5MHz	dB/km	13	-	-	-	-
Maximum Attenuation @2MHz	dB/km	14	-	-	-	-
Maximum Attenuation @3MHz	dB/km	18	-	-	-	-
Maximum Transfer Impedance	mΩ/m	30	-	-	-	-
Nominal Voltage Rating	v	300	-	-	-	-

Mechanical and Thermal Properties

Minimum Bending Radius:6×OD (single); 12×OD (multiple)
Temperature Range:-40℃ to +100℃ (during operation); -20℃ +50℃ (during installation)

Dimensions And Weight

Cable Code	No. of cores& Nominal Conductor Cross Sectional Area No.×mm²	Nominal Sheath Thickness mm	Nominal Overall Diameter mm	Nominal Weight kg/km
RD-UIC-4C10S+2C6S+1C2.5S+2C0.75S	4×10+2×6+1×2.5+2×0.75	1.8	25	917
RD-UIC-4C10S+2C6S+1C2.5S+2C1S+2C0.75S	4×10+2×6+1×2.5+2×1.0+2×0.75	1.8	25	969
RD-UIC-4Q1S+2C0.75S	4×4×1.0+ 2×0.75	1.8	18.5	498
RD-UIC-4Q1S+2P0.75S	4×4×1.0+ 2×2×0.75	1.8	23	530