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National Motorway Communications System Specifications(TR Series)

TR2161-Armoured Energy Cable

Application and Description :

TR2161 Non-armoured Energy Cable is a motorway cable sheathed with medium density polyethyylene
(MDPE) designed for street lighting.

Standard :

IEC 60502, BS 5467

Cable Construction:

- Conductor: Plain annealed stranded copper conductor, comply with IEC 60228 for Class 2
- Insulation: Cross linked polyethylene (XLPE)
- Core Identification: Brown, Blue, Green/Yellow
- Inner Sheath: Medium density polyethylene (MDPE), comply with IEC 60708.
- Armor (for Armoured Cable Only): Galvanized steel wires
- Outer Sheath: Medium density polyethylene (MDPE), comply with IEC 60708.
- Sheath Color: Black

Technical Characteristics :

- Rated voltage: 600/Kft volts
- Minimum bending radius: 12 x ?
- Rated temperature: +90o C
- Conductor resistance:

Conductor size	mm2	10	25	50	70	95	120	150
Resistance	ohms/ km	1.83	0.727	0.387	0.268	0.193	0.153	0.124

- Current rating in duct:

Conductor size	mm2	10	25	50	70	95	120	150
Current rating	A	92	152	217	266	319	330	406

- Volt drop :

Conductor size	mm2	10	25	50	70	95	120	150
Volt drop	mv/m	4.1	1.65	0.87	0.6	0.45	0.37	0.3

Cable Parameter :

Number of Pairs	Nominal Conductor Area	Nominal Conductor Stranding	Inner Sheath Thickness	Armour thickness	Outer Sheath Thickness	Nominal O/D	Approx Cable Weight
	mm2	NO./mm	mm	mm	mm	mm	Kg/km
3	10	7/1.35	1.0	1.25	1.8	19.1	881
3	25	7/2.14	1.0	1.60	1.8	24.9	1703
3	50	19/1.78	1.0	1.60	2.0	30.7	2660
3	70	19/2.14	1.0	1.60	2.0	34.6	3489
3	95	19/2.52	1.2	2.0	2.2	40.7	4903
3	120	37/2.03	1.2	2.0	2.3	44.4	5891
3	150	37/2.25	1.4	2.5	2.5	50.0	7521