50mm High Voltage Outdoor Underground Power Cable Wire

Product Description

50mm high voltage outdoor Underground power cable wire Standards
IEC 60502-2 50mm high voltage outdoor Underground power cable wire Application
The single core cables are designed for distribution of electrical power with nominal voltage Uo/U ranging from 1.8/3KV to 26/35KV and frequency 50Hz. They are suitable for installation mostly in power supply stations, indoors and in cable ducts, outdoors, underground and in water as well as for installation on cable trays for industries, switchboards and power stations.
50mm high voltage outdoor Underground power cable wire Construction
Conductor: Plain annealed copper or aluminium complying with IEC 60228 class 2.
Conductor Screen: extruded layer of semi-conducting crosslink compound
Insulation: XLPE
Insulaton Screen: extruded layer of semi-conducting crosslink compound
Metallic Screen: Double copper tape or copper wires applied helically with copper tae
Separation Sheath (for armoured cable): The separation sheath comprises a layer of extruded PVC, PE or LSZH, applied under the armour .
Lapped Bedding : The lapped bedding consists of Polyester non woven fabrics .
Armour (for armoured cable): galvanized steel wire armour ,Steel tape armour
Outer Sheath: PVC, PE or LSZH can be offered as an option.
Installation and operation condition of cable
Operating Temperature: up to 90°C
Short Circuit Temperature( 5 seconds maximum duration ): 250°C
Bending Radius: 12 x OD
Current Rating Conditions:
Ground Temperature: 20°C
Ambient Temperature (air): 30°C
Depth of Soil: 0.8m
Thermal Resistance of Soil: 1.5K•m/W
Voltage:

Rated Voltage Uo/U	Operating Voltage (Um)	Testing Voltage (rms)
8.7/15KV	17.5KV	30.5KV

Parameter Data

Nom.Cross-Section Area	Aluminium Wire Armoured Cables
	Nom.Insulation Thickness	Armour Wire Size	Nom.Sheath Thickness	Approx .Overall Diameter	Approx. Weight
					CU	AL
mm2	mm	mm	mm	mm	kg/km	mm2
35	4.5	1.6	1.9	29	1170	950
50	4.5	1.6	1.9	30	1340	1050
70	4.5	1.6	2	32	1610	1180
95	4.5	2	2.1	35	2020	1430
120	4.5	2	2.1	36	2310	1560
150	4.5	2	2.2	38	2660	1740
185	4.5	2	2.2	39	3070	1920
240	4.5	2	2.3	42	3750	2230
300	4.5	2.5	2.4	46	4590	2690
400	4.5	2.5	2.5	49	5550	3130
500	4.5	2.5	2.6	52	6590	3590
630	4.5	2.5	2.7	57	8060	3860

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