Railway Cables

LU Section 12 Fire Integrity Cables

Application

The cables are designed for installation typically in public help points (PHP), public address (PA), station announcement platforms (SAP) & CCTV camera power systems. The LSZH cables has been designed to provide superior flame retardance and circuit integrity, together with optimized ease of installation characteristics and complies with LU Section 12 station regulations.

Standards

● BS 7629-1/ 5839-1: 2002/ 8434-1: 2003/6387 C W Z
● BS EN 50200 (PH90)
● UNE 211025

Construction

Conductors
Class 1 solid or Class 2 stranded annealed bare copper conductors to BS EN 60228: 2005 (previously BS 6360).

Insulation
Silicone rubber insulation.

Core Wrapping
Plastic tape(s) with overlapping.

Screen
Aluminium/Polyester tape.

Drain Wire
Tinned copper.

Sheath
High performance, thermoplastic LSZH.

Electrical Characteristics at 20℃

Nominal Conductor Cross Section
mm²
1.0
1.5
2.5
Maximum Conductor DC Resistance
Ω/km
18.1
12.1
7.41
Nominal Insulation Thickness
mm
0.6
0.7
0.8
Voltage Rating
KV
0.3/0.5

Mechanical and Thermal Properties

Minimum Bending Radius: 6×OD
Temperature Range: -40℃ to +90℃ (during operation); -10℃ to +70℃ (during installation)

Dimensions And Weight

Cable Code
No. of cores&
Nominal
Conductor Cross
Sectional Area
No.×mm²
Conductor Diameter
Nominal
Sheath
Thickness
mm
Nominal
Overall
Diameter
mm
Nominal
Weight
kg/km
Stranded
Conductor
No/mm
Solid
Conductor
mm

RFLU12-SOZ1-U-PH90(AS+)-300/500V-2G1

2×1.0

7/0.44

1.13

1.3

7.0

83

RFLU12-SOZ1-U-PH90(AS+)-300/500V-3G1

3×1.0

7/0.44

1.13

1.3

7.3

95

RFLU12-SOZ1-U-PH90(AS+)-300/500V-4G1

4×1.0

7/0.44

1.13

1.3

8.2

115

RFLU12-SOZ1-U-PH90(AS+)-300/500V-7G1

7×1.0

7/0.44

1.13

1.3

10.5

175

RFLU12-SOZ1-U-PH90(AS+)-300/500V-2G1.5

2×1.5

7/0.53

1.38

1.4

7.9

110

RFLU12-SOZ1-U-PH90(AS+)-300/500V-3G1.5

3×1.5

7/0.53

1.38

1.4

8.3

128

RFLU12-SOZ1-U-PH90(AS+)-300/500V-4G1.5

4×1.5

7/0.53

1.38

1.4

9.5

160

RFLU12-SOZ1-U-PH90(AS+)-300/500V-7G1.5

7×1.5

7/0.53

1.38

1.4

12.2

250

RFLU12-SOZ1-U-PH90(AS+)-300/500V-2G2.5

2×2.5

7/0.67

1.78

1.5

9.3

160

RFLU12-SOZ1-U-PH90(AS+)-300/500V-3G2.5

3×2.5

7/0.67

1.78

1.5

9.9

190

RFLU12-SOZ1-U-PH90(AS+)-300/500V-4G2.5

4×2.5

7/0.67

1.78

1.5

11.3

235

U is changed to K if the stranding class is changed from class 2 to class 5