URM 70 LSF

Product Name/Code : URM70 LSF

Electrical Performance

Application :

Max.Conductor DC Resistance at 20 ℃（Ω /Km ） 9 3.800

93.8

For communication and signal control systems.

Min.Insulation DC Resistance at 20 ℃（ M Ω *Km ）

>500

Reference Standard

Operating Temperature( ℃ )

70

Customer's sample spec. and the general standard

Voltage Rating(V)

30

Cable Construction

Capacitance(pF/m)

67+/-5

Number of Cores

1

Velocity ratio (%)

66.7+/-5

Conductor

Bare Copper

Impedance( Ω )

75+/-3

Construction

0.19/7

Attenuation at 20 ℃ (-dB/100m)

100MHz

13.8

Conductor Diameter(mm)

0.58

300MHz

25.5

Insulation

Solid PE

500MHz

33.0

Min. Thickness(mm)

1.310

700MHz

41.5

Insulation Diameter (±0.03mm)

3.20

900MHz

47.8

Screening(mm)

Bare Copper Braid

1000MHz

50.1

Construction

16 / 6/0.12

Braid Coverage(%)

81

Sheathing

LSF

Min. Thickness(mm)

1.18

Diameter(±0.10mm)

5.80

Sheathing Compound

PVC/LSF/LSOH

Core Identification/Color Code

According to customer request

Bending Radius

6xOverall Diameter

Temperature Rating

70℃

Voltage Rating

300/500V

Fire Performance

Flame Propagation Test to IEC 60332 Part 1 ( PVC /LSOH)
Flame Propagation Test to IEC 60332 Part 1 and Part 3 ( FRPVC/LSFROH )
Determination of the amount Halogen Acid Gas to IEC 60754 Part 1 ( LSOH )
Smoke Density Test to IEC 61034 ( LSOH )
Oxygen Index Test to BS 2863 or ISO 4589-2 ( LSOH )
Temperature Index Test to BS 2782 or ISO 4589-3
( LSOH )

Website: www.caledonian-cables.co.uk

E-mail: sales@caledonian-cables.co.uk