Huayuan Gaoke Cable Co.,Ltd.
MICC Mineral Insulation Cable,MI Mineral Insulation Cable,Heavy Duty Cable
Model No.: MICC
Inorganic Mineral Insulated Fireproof Cable MICC
Usage
The inorganic construction of mineral insulated cable makes it extremely fire and heat resistant. With an operating limit equal to the melting point of copper, 1982ºF, 1083ºC - it can easily withstand high temperatures and heavy current overloads. It emits no smoke or toxic substances and allows no flame propagation. In contrast, a third party test proved standard conduit and wire failed at 425ºF. These fireproof properties make it the best choice for connecting motor operated valves, control stations, plant shutdown systems, instruments and power devices that must remain operational under actual fire conditions.
Mineral insulated cable and cable assemblies are extremely reliable as power and control cables in hospitals, hotels, high rise buildings for emergency generators, fire pumps, smoke and vent exhaust fans, communication circuits, multiplex alarm systems and instrumentation.
Other applications include wiring connections to electric heaters on boilers, tanks and furnace wiring, metal smelters and lumber kilns, where regular pvc insulation hardens and cracks and has to be replaced regularly.
The cable is solid and constructed with an extruded copper sheath that makes it impervious to liquids. Neither water, process liquids or corrosive solutions can migrate into the system. In copper and brass corrosive environments, or for direct burial an extruded outer HDPE jacket may be specified to provide additional protection. PVC boots cover the brass connectors. Epoxy end termination`s provide lifetime sealing to moisture ingress.
Industrial applications include light fitting connections in oil tanks that are periodically washed out with kerosene.
M.I cable assemblies are US Coast Guard approved and are currently used to connect warning beacons, fog horns and lanterns on offshore platforms. They also solve many electrical wiring problems on oil tankers and marine vessels that operate under the worst of climatic conditions.
Mineral insulated cable does not deteriorate at low temperatures and assemblies are unaffected by continuous, even extreme changes in temperature.
Daily temperature changes cause condensation and moisture to accumulate in exposed conduit above the seal packing, causing rust and corrosion to build up and block the conduit drain. In cold temperatures this moisture can freeze, splitting the conduit or seal and possibly damaging the instrument or electrical device, especially if the wiring is top entry.
Because MI cable assemblies are solid and completely moisture resistant, this risk is eliminated. Industrial applications include power wiring to motors in LNG tanks, freezer rooms and instrument connections in harsh climates such as Alaska and Canada.
Magnesium oxide, the insulation in mineral insulated cable, provides superior radiation resistance over any other material and for this reason, MICC cable assemblies are an excellent choice for nuclear power plant applications.
Standards: IEC331 and BS 6387 CWZ
DIMENSIONS
Number and Conductor Size | Cable Diameter | Current Ratings | Nominal | Weight | |||
Bare Cable | LSF | Bare Cable | LSF | Lenght | Bare Cable | LSF | |
Served Cable | Served Cable | Served | |||||
Cable | |||||||
mm² | mm | mm | A | A | m | Kg/Km | Kg/Km |
2x1.0 | 5.1 | 6.4 | 17.5 | 19.5 | 800 | 104 | 125 |
2x1.5 | 5.7 | 7 | 22.5 | 25 | 800 | 130 | 153 |
2x2.5 | 6.6 | 7.9 | 30 | 33 | 600 | 179 | 205 |
2x4.0 | 7.7 | 9.2 | 40 | 44 | 450 | 248 | 287 |
3x1.0 | 5.8 | 7.1 | 15 | 16.5 | 800 | 135 | 159 |
3x1.5 | 6.4 | 7.7 | 19 | 21 | 650 | 168 | 193 |
3x2.5 | 7.3 | 8.8 | 25 | 28 | 500 | 224 | 261 |
4x1.0 | 6.3 | 7.6 | 14.5 | 16 | 700 | 161 | 187 |
4x1.5 | 7 | 8.3 | 19 | 21 | 550 | 202 | 230 |
4x2.5 | 8.1 | 9.6 | 25 | 28 | 400 | 278 | 319 |
7x1.0 | 7.6 | 9.1 | 10 | 11 | 650 | 233 | 271 |
7x1.5 | 8.4 | 9.9 | 12.5 | 14 | 530 | 291 | 333 |
7x2.5 | 9.7 | 11.2 | 17 | 19 | 400 | 407 | 455 |
7.Structure
6.Fire Performance
Product Categories : Fire-Proof Cable