APPLICATION
These single core cables are designed for distribution of electrical power with nominal voltage 76/132kV. 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.

STANDARD
IEC 60840

CONSTRUCTION

Conductor: The cable conductors can be made of copper or aluminium, depending on customer’s preference or current carrying capacity. Large size solid conductors are made of aluminium. Available constructions including: round solid conductors up to 2000mm² (RE); circular stranded compacted conductors up to 1200mm² (RM); circular conductors with shaped wires up to 2000mm² (RM, Keystone conductors); segmental conductors up to 2500 mm² (RMS, Milliken conductors); oval shaped stranded compacted conductors up to 800mm² for external gas pressure cables (OM). Conductor Screen: Extruded layer of semi-conducting cross-linkable compound is applied over the conductor and shall cover the surface completely. Insulation: Insulation is of cross-linked polyethylene compound XLPE. Insulation Screen: Extruded layer of semi-conducting cross-linkable compound is applied over the insulation. Metallic Layer: The metallic layer may be applied over the core assembly collectively. The metallic screen shall consist of either copper tapes or a concentric layer of copper wires or a combination of tapes and wires. Separation Sheath: Aluminum Tape sheath Outer Sheath: PE

CONSTRUCTION PARAMETER

Nom. Cross-Section	Nom. Insulation	Copper Wire Screen	Approx. Overall	Approx. Weight
Area	Thickness	Area	Diameter	CU	AL
mm²	mm	mm²	mm	kg/m
185	22	50	74	6	4.4
240	20	50	72	6.2	4.3
300	19	50	72	6.8	4.5
400	18	50	74	7.7	5.2
500	18	50	77	8.8	5.7
630	18	50	81	10.3	6.4
800	16	50	82	11.7	6.8
1000	16	110	93	15	9.1
1200	15	110	94	17	9.7
1400	15	110	98	19	10
1600	15	110	101	21	11
1800	14	110	102	23	12
2000	14	110	106	25	13
2500	14	110	113	30	15

ELECTRICAL PROPERTIES

							Current Ratings/Power Ratings(continuous load)
Nom. Cross-	DC		AC		Capacitance	Inductance
Section	Resistance @20°C		Resistance @90°C		per core		Cu conductor		Al conductor
Area	Cu	Al	Cu	Al			1 circuit	2 circuits	1 circuit	2 circuits
mm²	Ω/km	Ω/km	Ω/km	Ω/km	µF/km	mH/km	A/MVA		A/MVA
							trefoil installation
185	0.0991	0.164	0.127	0.211	0.107	0.49	368/84	314/72	289/66	246/56
240	0.0754	0.125	0.0973	0.161	0.121	0.46	420/96	358/82	332/76	282/64
300	0.0601	0.1	0.0781	0.129	0.134	0.44	469/107	398/91	371/85	315/72
400	0.047	0.0778	0.0618	0.101	0.151	0.42	525/120	444/102	420/96	356/81
500	0.0366	0.0605	0.0492	0.0791	0.163	0.4	586/134	493/113	474/108	400/91
630	0.0283	0.0469	0.0393	0.0622	0.177	0.39	649/148	545/125	533/122	448/102
800	0.0221	0.0367	0.0326	0.05	0.212	0.36	706/161	591/135	591/135	495/113
							flat installation
1000	0.0176	0.0291	0.0232	0.0375	0.245	0.56	999/228	852/195	791/181	675/154
1200	0.0151	0.0247	0.0201	0.0319	0.271	0.55	1074/246	915/209	859/196	732/167
1400	0.0129	0.0212	0.0175	0.0275	0.286	0.53	1155/264	984/225	929/212	791/181
1600	0.0113	0.0186	0.0156	0.024	0.301	0.52	1226/280	1043/238	997/228	849/194
1800	0.0101	0.0165	0.0142	0.0213	0.332	0.51	1285/294	1091/249	1058/242	900/206
2000	0.009	0.0149	0.0129	0.0193	0.346	0.5	1346/308	1144/262	1114/255	947/217
2500	0.0072	0.0119	0.0109	0.0156	0.378	0.47	1465/335	1244/284	1244/284	1057/242