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ABOUT
Mineral Insulated Copper Cable (MI Power Cable)
Mineral Insulated Copper cable belongs to electric cable class.
- Outer Sheath: Copper Sheath with a melting point of 1083°C
- Insulation: Magnesium oxide insulator, hardly compressed, with a melting point of 2400°C.
- Conductor: Annealed conductor of 99.9% of pure electrolytic copper wire, with a melting point of 1083°C Applicable
- Covering: Addition LSF (Low Smoke Fumes) outer covering.
- Applicable Standard: IEC/EN 60702 Part 1, BS6387, IEC60331, Categories C, W & Z
- Operating Temperature: Maximum 250°C (But will operate up to a temperature of 1083°C but this will reduce the life of the cable)
- Voltage: 450/750 V (Heavy Duty Grade Cable )
300/500 V (Light Duty Grade Cable)
| Details | Standard Follow | Description |
|---|---|---|
| MI Power Cable | IEC/EN 60702 Part 1 | Mineral Insulated Copper sheathed Cable with Copper Conductor |
| Copper Conductor | IEC 60228 for Class 1 | Copper (>99.9 %) |
| Insulation | IEC/EN 60702 Part 1 | MgO (>99.4 % Pure) |
| Metallic Sheath | ASTM B75 Specification | Seamless Copper Tube (99.9%) |
| Insulation Resistance | IEC/EN 60702 Part 1 | >1000 MΏ for above 100 Mtr coil |
| Testing | ||
| A) Routine Test | IEC/EN 60702 Part 1 | Conductor Resistance, Insulation Resistance, Sheath And Insulation Integrity, Diameter & ovality |
| B) Type Test | IEC/EN 60702 Part 1 | Voltage Test, Resistance of Copper Sheath, Insulation Thickness, Sheath Thickness, Bending test, Flattening test, Fire Resistance |
Technical Specifications for MI Copper Cable
| Type of Cable | No. of Core X Core Size(mm2) | Nominal Outer Copper Sheath Diameter (mm) | LSF Cable Diameter (mm) | Nominal Core diameter (mm) | Maximum Core resistance (Ώ/Km) | Copper Sheath Cross Section (mm2) | Maximum Resistance of Copper Sheath (Ώ/Km) |
| Suitable For (300/500 V) Light Duty Grade Cable | |||||||
| 2 L 1.5 | 2 X 1.5 | 5.70 | 7.00 | 1.38 | 11.49 | 7.12 | 2.42 |
| 2 L 2.5 | 2 X 2.5 | 6.60 | 7.90 | 1.78 | 6.90 | 9.41 | 1.83 |
| 2 L 4 | 2 X 4 | 7.70 | 9.20 | 2.26 | 4.31 | 12.15 | 1.42 |
| 3 L 1.5 | 3 X 1.5 | 6.40 | 7.70 | 1.38 | 11.49 | 8.93 | 1.93 |
| 3 L 2.5 | 3 X 2.5 | 7.30 | 8.80 | 1.78 | 6.90 | 10.68 | 1.61 |
| 4 L 1.5 | 4 X 1.5 | 7.00 | 8.30 | 1.38 | 11.49 | 10.21 | 1.69 |
| 4 L 2.5 | 4 X 2.5 | 8.10 | 9.60 | 1.78 | 6.90 | 12.83 | 1.34 |
| 2 T 1.5 | 2 X 1.5 | 5.70 | 7.00 | 1.38 | 11.49 | 7.12 | 2.42 |
| 2 T 2.5 | 2 X 2.5 | 6.60 | 7.90 | 1.78 | 6.90 | 9.41 | 1.83 |
| 2 L 1.5 | 2 X 1.5 | 5.70 | 7.00 | 1.38 | 11.49 | 7.12 | 2.42 |
| Suitable For (450/750 V) Heavy Duty Grade Cable | |||||||
| 1 H 1.5 | 1 X 1.5 | 4.9 | 6.20 | 1.38 | 12.1 | 5.78 | 4.13 |
| 1 H 2.5 | 1 X 2.5 | 5.3 | 6.60 | 1.78 | 7.41 | 6.44 | 3.71 |
| 1 H 4 | 1 X 4 | 5.9 | 7.20 | 2.26 | 4.61 | 7.70 | 3.09 |
| 1 H 6 | 1 X 6 | 6.4 | 7.70 | 2.76 | 3.08 | 8.93 | 2.67 |
| 2 H 1.5 | 2 X 1.5 | 7.9 | 9.40 | 1.38 | 12.1 | 12.49 | 1.9 |
| 2 H 2.5 | 2 X 2.5 | 8.7 | 10.20 | 1.78 | 7.41 | 14.56 | 1.63 |
| 2 H 4 | 2 X 4 | 9.8 | 11.30 | 2.26 | 4.61 | 17.61 | 1.35 |
| 2 H 6 | 2 X 6 | 10.9 | 12.40 | 2.76 | 3.08 | 20.93 | 1.13 |
| 3 H 1.5 | 3 X 1.5 | 8.3 | 9.80 | 1.38 | 12.1 | 13.62 | 1.75 |
| 3 H 2.5 | 3 X 2.5 | 9.3 | 10.80 | 1.78 | 7.41 | 16.14 | 1.47 |
| 3 H 4 | 3 X 4 | 10.4 | 11.90 | 2.26 | 4.61 | 19.34 | 1.23 |
