Flexible medium-voltage feeder cable to DIN VDE 0250-605 (3.6/6–18/30 kV) for shiftable transformers in mines and tunnels — with Class 5 copper cores, 3GI3 EPR insulation, /3E phase screens, ÜL monitoring screen, steel braid and red PVC sheaths.
Double-screened MV core with individual /3E phase copper screens, overall ÜL monitoring conductor, galvanized steel wire braid armour and triple DMV6/YM5 PVC sheaths based on DIN VDE 0250-605.
Schematic, not to scale — generated from the layer data
#
Layer
Material & reference
1
Phase & control conductors
Finely stranded Class 5 bare copper phase conductors (IEC 60228 / DIN VDE 0295); Class 5 bare or tinned copper interstitial control cores (3 × 2.5 mm² ST)IEC 60228 / DIN VDE 0295 Class 5
2
Electrical field control
Inner and outer extruded semiconductive rubber layers bonded to the phase insulation (3.6/6 kV also made with outer semiconductive layer over conductor tape)DIN VDE 0250-605
Concentric copper wire screen (or tinned copper wire braid/screen) applied individually around each MV phase core (16/3E to 120/3E)DIN VDE 0250-605 (/3E)
5
First inner sheath
Extruded PVC compound DMV6 / YM5 (or GM1b rubber filler bedding) over the laid-up phase and control coresDIN VDE 0250-605 (DMV6 / YM5)
6
Monitoring conductor (ÜL)
Conductive tape and overall concentric copper wire spinning/braid over the first inner sheath for radial earth-fault and crush monitoringDIN VDE 0250-605 (ÜL)
7
Second (intermediate) sheath
Extruded PVC compound DMV6 / YM5 isolating the ÜL monitoring conductor from the steel armourDIN VDE 0250-605 (DMV6 / YM5)
8
Mechanical armour (C)
Galvanized steel wire braid (min. 75 % coverage) over the second inner sheathDIN VDE 0250-605 (C)
48 configurations across six MV voltage classes based on DIN VDE 0250-605
Dimensions & electrical data (3.6/6–18/30 kV)
Construction (Phase + Earth + Control + ÜL)
U0/U
Cond. Ø max
Outer Ø min
Outer Ø max
Weight ≈
Max tensile
R20 max
Capacitance
Inductance
Ampacity 30 °C
Isc (1 s)
Min. bend R
Enquiry
3.6/6 kV (Um 7.2 kV)
3×25 + 3×16/3E + 3×2.5ST + ÜL
3.6/6
6.4
42.7
45.7
3,180
1,125
0.780
0.36
0.32
131
3.58
457
3×25 + 3×25/3E + 3×2.5ST + ÜL
3.6/6
6.1
47.2
52.1
4,160
1,125
0.780
—
—
139
3.58
521
3×35 + 3×16/3E + 3×2.5ST + ÜL
3.6/6
7.6
45.3
48.3
3,700
1,575
0.554
0.41
0.30
162
5.01
483
3×35 + 3×25/3E + 3×2.5ST + ÜL
3.6/6
7.2
49.0
54.0
4,610
1,575
0.554
—
—
172
5.01
540
3×50 + 3×25/3E + 3×2.5ST + ÜL
3.6/6
9.1
49.5
53.5
4,730
2,250
0.386
0.47
0.29
202
7.15
535
3×70 + 3×35/3E + 3×2.5ST + ÜL
3.6/6
10.8
53.2
57.2
5,720
3,150
0.272
0.53
0.28
250
10.01
572
3×95 + 3×50/3E + 3×2.5ST + ÜL
3.6/6
12.7
58.2
62.2
7,010
4,275
0.206
0.61
0.27
301
13.59
622
3×120 + 3×70/3E + 3×2.5ST + ÜL
3.6/6
14.3
62.7
66.7
8,311
5,400
0.161
0.67
0.26
352
17.16
667
3×150 + 3×70/3E + 3×2.5ST + ÜL
3.6/6
16.0
67.6
71.6
9,634
6,750
0.129
0.74
0.25
404
21.45
716
3×185 + 3×120/3E + 3×2.5ST + ÜL
3.6/6
17.7
71.7
75.7
11,202
8,325
0.106
0.80
0.25
461
26.46
757
6/10 kV (Um 12 kV)
3×25 + 3×16/3E + 3×2.5ST + ÜL
6/10
6.4
45.7
48.7
3,580
1,125
0.780
0.32
0.33
131
3.58
487
3×25 + 3×25/3E + 3×2.5ST + ÜL
6/10
6.1
47.2
52.7
4,200
1,125
0.780
—
—
139
3.58
527
3×35 + 3×16/3E + 3×2.5ST + ÜL
6/10
7.6
47.8
50.8
4,130
1,575
0.554
0.36
0.31
162
5.01
508
3×35 + 3×25/3E + 3×2.5ST + ÜL
6/10
7.2
49.0
54.6
4,650
1,575
0.554
—
—
172
5.01
546
3×50 + 3×25/3E + 3×2.5ST + ÜL
6/10
9.1
50.8
54.8
4,890
2,250
0.386
0.42
0.30
202
7.15
548
3×70 + 3×35/3E + 3×2.5ST + ÜL
6/10
10.8
55.1
59.1
5,680
3,150
0.272
0.47
0.28
250
10.01
591
3×95 + 3×50/3E + 3×2.5ST + ÜL
6/10
12.7
60.0
64.0
7,130
4,275
0.206
0.54
0.27
301
13.59
640
3×120 + 3×70/3E + 3×2.5ST + ÜL
6/10
14.3
63.9
67.9
8,450
5,400
0.161
0.59
0.26
352
17.16
679
3×150 + 3×70/3E + 3×2.5ST + ÜL
6/10
16.0
68.9
72.9
9,840
6,750
0.129
0.66
0.25
404
21.45
729
3×185 + 3×120/3E + 3×2.5ST + ÜL
6/10
17.7
73.0
77.0
11,408
8,325
0.106
0.74
0.25
461
26.46
770
8.7/15 kV (Um 18 kV)
3×25 + 3×16/3E + 3×2.5ST + ÜL
8.7/15
6.4
49.1
53.1
3,985
1,125
0.780
0.22
0.36
139
3.58
531
3×35 + 3×16/3E + 3×2.5ST + ÜL
8.7/15
7.6
50.4
54.4
4,481
1,575
0.554
0.29
0.33
172
5.01
544
3×50 + 3×25/3E + 3×2.5ST + ÜL
8.7/15
9.1
53.9
57.9
5,300
2,250
0.386
0.33
0.31
215
7.15
579
3×70 + 3×35/3E + 3×2.5ST + ÜL
8.7/15
10.8
57.6
61.6
6,380
3,150
0.272
0.38
0.30
265
10.01
616
3×95 + 3×50/3E + 3×2.5ST + ÜL
8.7/15
12.7
63.1
67.1
7,652
4,275
0.206
0.43
0.29
319
13.59
671
3×120 + 3×70/3E + 3×2.5ST + ÜL
8.7/15
14.3
67.4
71.4
8,940
5,400
0.161
0.47
0.28
371
17.16
714
3×150 + 3×70/3E + 3×2.5ST + ÜL
8.7/15
16.0
72.0
76.0
10,400
6,750
0.129
0.54
0.27
428
21.45
760
3×185 + 3×120/3E + 3×2.5ST + ÜL
8.7/15
17.7
75.6
79.6
11,865
8,325
0.106
0.58
0.26
488
26.46
796
12/20 kV (Um 24 kV)
3×25 + 3×16/3E + 3×2.5ST + ÜL
12/20
6.4
52.6
56.6
3,900
1,125
0.780
0.20
0.37
139
3.58
566
3×35 + 3×16/3E + 3×2.5ST + ÜL
12/20
7.6
53.6
57.6
5,090
1,575
0.554
0.25
0.35
172
5.01
576
3×50 + 3×25/3E + 3×2.5ST + ÜL
12/20
9.1
56.8
60.8
5,730
2,250
0.386
0.28
0.33
215
7.15
608
3×70 + 3×35/3E + 3×2.5ST + ÜL
12/20
10.8
61.0
65.0
6,840
3,150
0.272
0.32
0.31
265
10.01
650
3×95 + 3×50/3E + 3×2.5ST + ÜL
12/20
12.7
66.0
70.0
8,080
4,275
0.206
0.36
0.30
319
13.59
700
3×120 + 3×70/3E + 3×2.5ST + ÜL
12/20
14.3
69.9
73.9
9,650
5,400
0.161
0.39
0.29
371
17.16
739
3×150 + 3×70/3E + 3×2.5ST + ÜL
12/20
16.0
71.0
75.0
10,932
6,750
0.129
0.43
0.28
428
21.45
750
3×185 + 3×120/3E + 3×2.5ST + ÜL
12/20
17.7
78.7
82.7
12,417
8,325
0.106
0.47
0.27
488
26.46
827
14/25 kV (Um 30 kV)
3×35 + 3×16/3E + 3×2.5ST + ÜL
14/25
7.6
57.6
61.6
5,502
1,575
0.554
0.21
0.37
172
5.01
616
3×50 + 3×25/3E + 3×2.5ST + ÜL
14/25
9.1
61.4
65.4
6,517
2,250
0.386
0.24
0.35
215
7.15
654
3×70 + 3×35/3E + 3×2.5ST + ÜL
14/25
10.8
65.0
69.0
7,526
3,150
0.272
0.27
0.33
265
10.01
690
3×95 + 3×50/3E + 3×2.5ST + ÜL
14/25
12.7
70.0
73.9
8,790
4,275
0.206
0.30
0.32
319
13.59
739
3×120 + 3×70/3E + 3×2.5ST + ÜL
14/25
14.3
73.9
77.8
10,137
5,400
0.161
0.33
0.30
371
17.16
778
3×150 + 3×70/3E + 3×2.5ST + ÜL
14/25
16.0
78.9
82.8
11,679
6,750
0.129
0.36
0.29
428
21.45
828
3×185 + 3×95/3E + 3×2.5ST + ÜL
14/25
17.7
82.5
86.4
13,095
8,325
0.106
0.39
0.29
488
26.46
864
18/30 kV (Um 36 kV)
3×50 + 3×25/3E + 3×2.5ST + ÜL
18/30
9.1
67.4
71.4
7,487
2,250
0.386
0.20
0.37
215
7.15
714
3×70 + 3×35/3E + 3×2.5ST + ÜL
18/30
10.8
71.1
75.1
8,549
3,150
0.272
0.22
0.35
265
10.01
751
3×95 + 3×50/3E + 3×2.5ST + ÜL
18/30
12.7
76.5
80.4
10,091
4,275
0.206
0.25
0.34
319
13.59
804
3×120 + 3×70/3E + 3×2.5ST + ÜL
18/30
14.3
79.9
83.8
11,268
5,400
0.161
0.27
0.33
371
17.16
838
3×150 + 3×70/3E + 3×2.5ST + ÜL
18/30
16.0
84.4
89.3
12,887
6,750
0.129
0.29
0.31
428
21.45
893
Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Ampacity for cables laid on the floor at 30 °C ambient temperature (DIN VDE 0298-4 Table 15): 131–461 A at 3.6/6 & 6/10 kV; 139–488 A at 8.7/15 to 18/30 kV.
Not covered here? Send your drawing — an engineer replies within 2 business hours.
What does the designation (N)3GHSSYCY mean under DIN VDE 0250-605?
(N) denotes alignment with DIN VDE 0250-605; 3G is the 3GI3 cross-linked EPR phase insulation; H is the inner/outer semiconductive rubber field-control system; the first S is the individual concentric copper wire screen (/3E) over each phase core; the second S is the overall concentric copper monitoring screen (ÜL) over the first inner sheath; the first Y is the PVC inner/intermediate sheath; C is the galvanized steel wire braid armour; and the final Y is the red flame-retardant PVC (DMV6 / YM5) outer sheath.
Why is the minimum flexible ambient temperature +5 °C for (N)3GHSSYCY?
Unlike rubber-sheathed trailing cables (such as NTSCGEWÖU or (N)TSCGECEWÖU, which remain flexible down to -25 °C or -35 °C), (N)3GHSSYCY uses thermoplastic PVC (DMV6 / YM5) for its inner, intermediate and outer sheaths. Below +5 °C, plasticized PVC stiffens and can crack under bending stress; once installed in a fixed position, however, the cable operates safely down to -40 °C.
How do the two concentric copper screens (/3E and ÜL) work together with the steel wire braid armour?
Each of the three EPR-insulated MV phase cores has its own concentric copper screen (/3E) to control the radial electric field and conduct phase-to-earth fault currents. Over the laid-up cores and first inner sheath sits the overall concentric copper monitoring conductor (ÜL), which is isolated from the outer galvanized steel wire braid armour (C) by a second PVC intermediate sheath. In underground mining and tunnelling, this double-screen + steel-braid arrangement ensures that any rockfall or mechanical penetration contacts the outer armour and ÜL monitoring screen before reaching a live MV phase.
When should I specify (N)3GHSSHCH instead of (N)3GHSSYCY?
Specify (N)3GHSSHCH when the tunnel, metro cavern or underground mine ventilation plan mandates low-smoke zero-halogen (LSZH) cabling to IEC 60754-1/2 and IEC 61034. (N)3GHSSYCY provides identical electrical and mechanical armour performance at a lower cost where PVC sheathing (IEC 60332-1-2 flame retardancy) is permitted.
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(N)3GHSSYCY Mining and Tunnelling Power Cable
Selected sizes:
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