Copper Division

BARE COPPER

Temper Size Range Type of Copper
Annealed (soft) Half Hard (mm) Cu Copper
Max Width 75 Grade: ETP & OFC, Purity: 99.97 % (min)
Min Width 3 Conductivity (%IACS): 100% (min.)

ENAMELLED ROUND COPPER

Temper Type of Enamel Diameter Range Specification
'B', 105oC / 120oC Polyvinyl Acetal (PVA / PVF) Copper:0.50 to 5.50 mm IEC-60317-12
NEMA MW-15
‘F’, 155oC Polyester IEC-60317-03
IS-13730-03
‘H’, 180oC Polyesterimide IEC-60317-08
IS-13730-08
‘C’, 200oC Polyesterimide (base coat)
+
Polyamide-imide (top coat)		 IEC-60317-13
IS-13730-13 / NEMA MW-35

FIBRE GLASS /DAGLAS COVERED ROUND & FLAT WIRE - COPPER

Temper Type of Enamel Diameter Range Specification
‘F’, 155oC Single /Double Layer of Glass Fibre Yarn & Impregnated with Class ‘F’ / ‘H’ / ‘C’ Varnish Round Wire: 1-5 mm Flat Wire Size: Min. Size: 3 x 2 mm Max. Size: 25 x 6 mm IEC-60317-31
IS-13730-31
‘H’, 180oC IEC-60317-32
IS-13730-32
‘C’, 200oC IEC-60317-33
IS-13730-33
NEMA MW 41 & 43,50

PAPER COVER ROUND & RECT. /FLAT COPPER

Temp. Class Type of Insulation Size Range Specification
105o C Electrical Grade: Kraft Paper Crepe Paper
Thermally Upgraded		 Round Wire: 1 to 5 mm
Flat Wire: 6- 120 sq. mm
Min. Size: 3 x 2 mm
Max. Size: 20 x 6 mm		 IEC - 60317-27
IS-13730-27
NEMA MW 31 & 33

ENAMELLED RECTANGULAR / FLAT WIRE - COPPER

Temp. Class Type of Enamel Size Range Specification
'B', 105oC/120oC Polyvinyl Acetal (PVA/PVF) Area:
3 - 56 Sq. mm

Min. Size:
3x1 mm (Cu)
3x2 mm (Al)
Max. Size:
14 x 4 mm		 IEC-60317-18
NEMA MW-18
‘F’, 155oC Polyester IEC-60317-16
IS-13730-16
‘H’, 180oC Polyesterimide IEC-60317-28
IS-13730-28
‘C’, 200oC Polyesterimide (base coat)                     +
Polyamide-imide (top coat)		 IEC-60317-29
IS-13730-29/
NEMA MW- 36

NOMEX COVERED ROUND & RECT. / FLAT COPPER

Temp. Class Type of Insulation Size Range Specification
200oC Nomex Paper
(Aramida paper)		 Round Wire: 1 to 5 mm
Flat Wire: 6 – 120 sq. mm
Min. Size: 3 x 2 mm
Max. Size: 20 x 6 mm		 IEC-60317-52 & 53
IS-13730-52 & 53
NEMA MW 60 & 61

KAPTON COVERED ROUND & RECT. / FLAT COPPER

Temp. Class Type of Insulation Size Range Specification
220oC Kapton / Apical
(Polymide Film)
(50%, 66% Overlapping) 		Round Wire: 2 to 10 mm
Flat Wire: 5 – 80 sq. mm
Min. Size: 3.3 x 1.5 mm
Max. Size: 20 x 4.0 mm		 IEC-60317-43
IEC-60317-44
IS-9148
NEMA MW 62 & 63

Copper Product

  • Paper covered / bare round copper conductors
  • Paper covered / bare copper strips
  • Enameled copper strips
  • Glass fiber lapped varnish bonded copper strips
  • Enameled & glass fiber lapped varnish bonded copper strips
  • Kapton insulated copper strips
  • Copper Bus Bars
  • Copper P.V Ribbon
SWG DIA
(mm)		 AREA
(MM2)		 WT.
kg/km		 RES.
km
20 0.914 0.656 5.830 26.294
19 1/2 0.966 0.733 6.512 23.539
19 1.020 0.817 7.261 21.113
18 1/2 1.120 0.985 8.754 17.511
18 1.220 1.168 10.387 14.758
17 1/2 1.320 1.368 12.160 12.607
17 1.420 1.583 14.072 10.894
16 1/2 1.520 1.814 16.123 9.507
16 1.620 2.060 18.315 8.370
15 1/2 1.730 2.349 20.886 7.339
15 1.830 2.629 23.371 6.559
14 1/2 1.930 2.924 25.995 5.897
14 2.030 3.235 28.758 5.330
13 1/2 2.180 3.731 33.165 4.622
13 2.340 4.298 38.212 4.012
12 1/2 2.490 4.867 43.268 3.543
12 2.640 5.471 48.638 3.152
11 1/2 2.790 6.111 54.323 2.822
11 2.950 6.831 60.732 2.524
10 1/2 3.100 7.544 67.065 2.524
10 3.250 8.292 73.712 2.080
9 1/2 3.450 9.343 83.063 1.845
9 3.660 10.516 93.483 1.640
8 1/2 3.860 11.696 103.98 1.474
8 4.060 12.940 115.03 1.333
7 1/2 4.270 14.313 127.24 1.205
7 4.470 15.685 139.44 1.099
6 1/2 4.670 17.120 152.20 1.007
6 4.880 18.694 166.19 0.922
5 1/2 5.130 20.659 183.66 0.835
5 5.380 22.721 201.99 0.759
4 1/2 4.640 24.971 221.99 0.691
4 5.890 27.233 242.10 0.633
3 1/2 6.150 29.691 263.95 0.581
3 6.400 32.154 285.85 0.536
2 1/2 6.710 35.344 314.21 0.488
2 7.010 38.575 342.93 0.447
1 1/2 7.320 42.062 373.93 0.410
1 7.620 45.581 405.21 0.378