STANDARD FUSE WIRE
The fuse wire shall be made from electrolytic tough pitched (ETP) copper (Tinned) conforming to IS: 8130/1984
amended up to date.
- The fuse wire shall be circular and shall have a uniform cross section and free from
Pits, draw mark or any
other harmful surface defects.
- The Tin coating layer shall be uniform, smooth, continuous and firmly adherent to the base copper
material.
- The electrical properties of the material used for making the shall be as given below
Resistivity at 20℃ : 0.017241 Ωmm2/m
Density at 20℃ : 8.89 gm/cm3
Constant mass temp. cofficient of resistance at 20℃ : 0.00393/℃
Cofficient of linear expression : 17×10-6/℃
- DIMENSIONAL CHECK, RESISTANCE based as per IS 9926/1981
Current rating
Amps |
Size
(mm) |
Size±1% Tolerance
(mm) |
Resistance at 20℃
(Ω/m) |
Approx
SWG |
|
|
Min |
Max |
Min |
Max |
|
| 100 |
2.00 |
1.980 |
2.020 |
0.0053 |
0.0056 |
14 SWG |
| 80 |
1.80 |
1.782 |
1.818 |
0.0065 |
0.0069 |
15 SWG |
| 63 |
1.50 |
1.485 |
1.515 |
0.0094 |
0.0099 |
16 SWG |
| 40 |
1.25 |
1.239 |
1.261 |
0.0136 |
0.0143 |
18 SWG |
| 32 |
0.85 |
0.841 |
0.859 |
0.0293 |
0.0311 |
20 SWG |
| 25 |
0.75 |
0.742 |
0.758 |
0.0376 |
0.0400 |
22 SWG |
| 20 |
0.63 |
0.624 |
0.636 |
0.0535 |
0.0566 |
23 SWG |
| 16 |
0.50 |
0.495 |
0.505 |
0.0848 |
0.0898 |
25 SWG |
| 10 |
0.35 |
0.346 |
0.354 |
0.1730 |
0.1834 |
29 SWG |
| 6 |
0.20 |
0.197 |
0.203 |
0.5250 |
0.5644 |
35 SWG |
- Packing: The packing of fuse wire is available in 1 kg, ½ Kgs, 200 Grams or 250
Grams Reel
- Marking: Each package containing Reel of fuse wire shall be clearly
marked with the
following information:
Name of Manufacturer/Supplier : Sonelite Industrial Corporation
Name of Material : TINNED COPPER FUSE WIRE
Current Rated/Size : As per Tender requirement sizes/Amps will be mentioned
Length and Weight : Length of fuse wire will be provided on material
- Persulphate Test: - As per IS: 9926/1981/IS: 10810(PartIV) permissible
mass of copper dissolved in Persulphate Test
Dia from 0.63 mm up to and including 2 mm
3g/m2
Dia from 0.20 mm up to and including 0.50 mm 5g/m2
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