URM 70 RBS

Product Name/Code : URM70 RBS

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

Conductor

Bare Copper

Impedance( Ω )

75+/-3

Construction

0.19/7

Conductor Dia.(mm)

0.58

100MHz

13.8

Insulation

Solid PE

300MHz

25.5

Min. Thickness (mm)

1.310

500MHz

33.0

Insulation Diameter(±0.03mm)

3.20

700MHz

41.5

Screening(mm)

Bare Copper Braid

900MHz

47.8

Construction

16 / 6/0.12

1000MHz

50.1

Braid Coverage(%)

81

Inner Sheathing

LDPE

Thickness(mm)

1.42

Diameter(mm)

5.80

Jacket Color

Nature

Outer Sheathing

HDPE

Thickness(mm)

0.8

Cable Diameter(mm)

7.40

Sheathing Compound

PVC/LSF/LSOH

Core Identification/Color Code

According to customer request

Bending Radius

6xOverall Diameter

Temperature Rating

70C

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.com

E-mail: sales@caledonian-cables.com