Insulation resistance between the main conductors and between the main conductors and the earth wire, converted to +20°C, should not be less than 160 mΩ·km.
Product Standard: mt818.9-1999.
3. MyQ type cable, consisting of 2 to 12 main cores, is then sheathed with a black chlorinated polyethylene rubber or black chloroprene rubber jacket after being stranded.
4. Conductor Core: Made of soft copper wire, its performance meets gb/t3956-1997.
5. Insulation: Uses XJ-00A type rubber as specified in GB7594.2-1987.
6. Core Identification: Up to four cores use insulated color coding for identification, while cores above four use printed numbering for identification.
7. Cable Making: Cable is twisted to the right.
9. The standard UYQ type finished cables are non-flame-retardant, while the flame-retardant UYQ type finished cables meet the requirements of MT386-1995.
10. Cable Marking: The cable surface is imprinted with the model, voltage, specifications, and manufacturer's name.
uyq myq 0.3/0.5
Mobile lightweight elastomer flexible cable for coal mine use
Usage: Underground coal mine tunnel lighting, conveyor belt interlock and control, and signal equipment power connection
gb12972.9-91 mt818.9-2009
This product is suitable for coal mine cables rated at 0.3/0.5kV and below.
Cable characteristics
Rated voltage u0/u is 0.3/0.5 kV.
The long-term allowable operating temperature for the cable conductor is 65°C.
