IEC 60502 Mineral Insulated Cable Thermocouple Sheath Fire
Retardant Wire
Mineral insulation cable are primarily used in conduit or
recognized raceways for services, feeders, and branch circuit
wiring. Mineral insulation cable may be used at temperatures not to
exceed 70°C. Voltage rating for Mineral Insulation Cable is
450/750V.
STANDARD
Mineral insulation cable comply with the following:
• IEC 60702
• IEC 60228
• BS 6387
1. Product standards:IEC 60502,AS/NZS 1429.1.
2. Product Application Scope:This product is applicable for rated
voltage 6 kVto 35 kV power distribution network or industrial
equipments.
3. Cable Application Features:
a. Max rated temp of conductor is 90 ℃;
b. When max short circuit in 5s, max conductor temp not exceed 250
℃;
c. Ambient temp no lower than 0 ℃ when installed.
4. Design
BTTZ(MI) 450/750V Copper Conductor Mineral Insulation Copper Sheath
Fireproof Cable
CONSTRUCTION
| Conductor | • Solid copper |
| Insulation | • Mineral (MgO) insulation material |
| Sheath | • Copper Sheath |
| Outer sheath | • |
RECOMMENDED SAMPLE SPECIFICATIONS
Conductors shall be IEC 60228, class 1 solid conductor. Sizes
1.5mm2 through 300mm2. Conductors shall be annealed copper,
insulated with MgO.
TECHNICAL PARAMETER LIST
No. of Conductor x Size mm2 | Overall Diameter mm | Ampacities A | Conductor Nominal Diameter mm | Max. Conductor Resistance at 20℃ Ω/km | Cross-Sectional Of Copper Sheath mm2 | Approx. Weight kg/km |
| 2×1.0 | 5.1 | 17 | 1.13 | 18.1 | 5.3 | 104 |
| 2×1.5 | 5.7 | 22 | 1.38 | 12.1 | 6.2 | 130 |
| 2×2.5 | 6.6 | 30 | 1.78 | 7.41 | 8.1 | 179 |
| 2×4.0 | 7.7 | 38 | 2.25 | 4.61 | 10.6 | 248 |
| 3×1.0 | 5.8 | 15 | 1.3 | 18.1 | 6.6 | 135 |
| 3×1.5 | 6.4 | 19 | 1.38 | 12.1 | 7.7 | 168 |
| 3×2.5 | 7.3 | 25 | 1.78 | 7.41 | 9.4 | 224 |
| … | … | … | … | … | … | … |
| 7×2.5 | 12.1 | 19 | 1.78 | 7.41 | 21.7 | 562 |
BTTZ(MI) 450/750V Copper Conductor Mineral Insulation Copper Sheath
Fireproof Cable
