Mobile rubber sheathed flexible cable MY3 * 4+1 * 4 for coal mines

Mobile rubber sheathed flexible cable MY3 * 4+1 * 4 for coal mines

Mobile flexible cables with rated voltage of 0.66/1.14KV and below
1. Execution standard: MT818.5-2009
2. Usage: This product is a series of mining rubber sheathed flexible cables. Suitable for connecting power lines to mobile coal mining units and other equipment with rated voltage of 0.66/1.14KV and below.
3. Working conditions:
The rated voltage Uo/U is 0.38/0.66 and 0.66/1.14KV
The long-term operating temperature of cable conductors is 65 ℃
The small bending radius of the cable is 6 times the diameter of the cable
4. Model name and purpose
MY-0.38/0.66 Mobile rubber sheathed flexible cable with rated voltage of 0.38/0.66KV for power connection of various underground mobile mining equipment used in coal mines
MYE-0.38/0.66 Mobile Elastic Flexible Cable for Coal Mines with Rated Voltage of 0.38/0.66KV Power Connection for Various Underground Mobile Mining Equipment
MYP-0.38/0.66 Mobile Shielded Rubber Sleeve Flexible Cable for Coal Mines with Rated Voltage of 0.38/0.66KV Power Connection for Various Underground Mobile Mining Equipment
MYPE-0.38/0.66 Mobile Shielded Elastic Flexible Cable for Coal Mines with Rated Voltage of 0.38/0.66KV Power Connection for Various Underground Mobile Mining Equipment
MYP-0.66/1.14 Mobile shielded rubber sheathed flexible cable for coal mines, rated voltage 0.66/1.44KV, power cable for various underground mobile coal mining equipment

5. Other requirements and test methods shall be executed in accordance with MT818.5-2009 standard
1. The insulation resistance between the main cores of cable insulation and between the main cores and the ground wire shall not be less than 100M Ω· km when converted to+20 ℃.
2. The transition resistance of the main core shielding layer shall not exceed 3k Ω when converted to 20 ℃.
3. Product standard: MT818.5-2009.
4. The MYP cable consists of three main cores with insulation shielding and a ground wire wrapped in a semi conductive rubber layer, which is twisted around the semi conductive rubber layer to form a cable. Squeeze black chlorinated polyethylene rubber sheath or thick black chloroprene rubber sheath outside for safer manufacturer.
5. Conductive core: Made of soft copper wire, its performance complies with GB/T3956-1997.
6. Insulation: XJ-00A rubber according to GB7594.2-1987 is used.
7. Core identification: Insulation color separation identification is used, with the main core being red, green, and white.
8. Ground wire: covered with a semi conductive rubber.
9. Insulation shielding: Cover the insulation surface with a semi conductive tape.
10. Cabling: Three main cores and one ground wire are twisted in the right direction around a semi conductive rubber pad core to form a cable.
11. Sheath: XH-03A rubber according to GB7594.7-1987 is used. The oxygen index of the sheath rubber is ≥ 40.
12. The flame retardant performance of the finished cable meets the requirements of MT386-1995.
13. Cable marking: The surface of the cable is printed with the model, voltage, specifications, and manufacturer.

Mobile rubber sheathed flexible cable MY3 * 4+1 * 4 for coal mines