ENERGY CABLES
Electric Utility Cables
Paper Lead 3C
6.35/11kV, Copper (Belted)
APPLICATION
In urban networks for primary supply to underground residential
distribution substations. Main feeders to commercial and
industrial projects. The lead sheath provides an earth fault
capacity adequate for many installations.
MDPE offers improved abrasion and chemical resistance over
PVC.
Pressure terminations are recommended for these cables.
STANDARD
VOLTAGE
CONDUCTOR
INSULATION
METALLIC SHEATH
SHEATH
MAX. OPERATING
TEMP.
AS/NZS 1026
BS 6480
6350/11000V
Shaped Compacted Annealed Copper
Mass Impregnated
(Non Draining) Paper
Extruded lead alloy E
MDPE, HDPE or PVC, 5V-90
65 °C
TECHNICAL SPECIFICATIONS
CONDUCTOR
APPROX.
OVERALL
DIAMETER
APPROX.
MASS
MINIMUM BENDING
RADIUS
mm2
(No./mm)
MAXIMUM
mm
Kg/Km
INSTALLED
mm
16
25
35
50
70
95
120
150
185
240
300
7 strands
7 strands
7 strands
19 strands
19 strands
19 strands
19 strands
19 strands
37 strands
37 strands
37 strands
32.4
35.5
38.6
37.2
40.6
44.2
47.2
50.2
53.8
58.8
63.3
2600
3200
3800
4100
5100
6200
7400
8600
10200
12500
15100
490
540
580
560
610
670
710
780
810
890
950
New Zealand/Energy/Electric Utility Cables/MV Paper Lead/Belted/3C, Copper │ VERSION:
DURING INSTALLATION
mm
810
890
870
930
1020
1110
1180
1260
1350
1470
1590
 Lengths and packing
can be supplied to
customer’s
requirements.
 For glanding details,
contact your local
service centre.
 Bending radii to AS/NZS
4026
TECHNICAL SPECIFICATIONS - Continued
NOMINAL
AREA
mm²
CURRENT RATING (a)
ELECTRICAL CHARACTERISTICS
Buried
Direct
Max. DC
Resistance
@ 20°C
ohm/km
Buried
In Ducts
Max. AC
Resistance
@ 65°C
ohm/km
Inductance
mH/km
Equivalent
Star
Reactance
ohm/km
Capacitance
µF/km
3 Phase
Voltage
Drop
mV/A.m
1 Sec Fault
Rating (b)
3 Phase
Symmetrical
kA
2.350
1.490
1.081
0.803
0.565
0.429
0.340
0.285
0.240
0.199
0.175
1.1
1.8
2.3
3.2
4.6
6.5
8.1
10.0
12.4
16.2
20.3
A
A
16
89
76
1.15
1.35
0.36
0.113
0.239
25
115
99
0.727
0.856
0.33
0.104
0.276
35
140
120
0.524
0.617
0.29
0.091
0.341
50
165
140
0.387
0.456
0.27
0.086
0.370
70
205
175
0.268
0.316
0.26
0.082
0.422
95
245
210
0.193
0.235
0.25
0.078
0.461
120
280
240
0.153
0.181
0.24
0.076
0.522
150
315
265
0.124
0.147
0.24
0.074
0.565
185
355
300
0.099
0.118
0.23
0.073
0.619
240
410
355
0.075
0.0907
0.23
0.071
0.692
300
460
395
0.060
0.0733
0.22
0.069
0.760
(a) Based on 65°C maximum conductor temperature, burial depth of 0.8m, soil temperature of 15°C and thermal
resistivity of 1.2°Cm/W.
(b) For fault durations other than one second, divide the appropriate given value by the square root of
the required time (in seconds).
Conductor fault ratings are based on an initial temperature of 65°C and a final temperature of 160°C.
CONDUCTOR
NOMINAL
AREA
mm2
NOMINAL
DEPTH
mm
LEAD ALLOY SHEATH
MIN. INSULATION
BETWEEN
CONDUCTOR &
SHEATH
mm
MINIMUM
THICKNESS
mm
DIAMETER
OVER SHEATH
MINIMUM
MAXIMUM
mm
mm
NOMINAL
AREA
mm²
16
5.1
3.4
1.4
28.6
29.8
126
25
6.4
3.4
1.5
31.7
32.9
154
35
6.0
3.4
1.6
30.1
31.4
151
50
6.9
3.4
1.7
33.6
34.9
184
70
8.3
3.4
1.8
35.3
36.6
198
95
9.8
3.4
1.9
38.7
40.0
235
120
11.0
3.4
1.9
41.2
42.5
250
150
12.3
3.4
2.0
44.1
45.4
282
185
13.7
3.4
2.1
47.2
48.6
316
240
15.6
3.4
2.3
51.6
53.0
376
300
17.5
3.4
2.4
56.4
57.8
437
(c) For fault durations other than one second, divide the appropriate given value by the square root
of the required time (in seconds).
1 SEC
FAULT
RATING (c)
kA
3.8
4.7
4.6
5.6
6.0
7.1
7.6
8.5
9.6
11.4
13.3
Sheath fault ratings are based on an initial temperature of 55°C and a final temperature of 250°C.
GENERAL CABLE NEW ZEALAND LIMITED
75 – 89 Main South Road
Riccarton, Christchurch
PO Box 8044, Riccarton, Christchurch, New Zealand
Phone:
0800 CABLES (0800 222 537)
FAX:
0800 242 267
EMAIL:
[email protected]
New Zealand/Energy/Electric Utility Cables/MV Paper Lead/Belted/3C, Copper │ VERSION: 3C Copper v050412