Mobile Light Flexible Cable for Coal Mine with Rated Voltage of 0.3/0.5kV

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1. Scope of Application
This product is suitable for coal mine roadway lighting, interlocking and control of conveyor and power connection of signal equipment.

2. Standards Implemented
MT818.1-2009 Cables for Coal Mines Part 1: Flexible Mobile Cables - General Provisions;
MT818.9-2009 Cable for Coal Mine Part 9: Mobile light flexible cable for coal mine with rated voltage of 0.3/0.5kV

3. Features
The conductor of this cable adopts the same-direction structure, which not only improves the flexibility of the cable, but also reduces the outer diameter of the cable. XJ-30A ethylene-propylene insulation rubber is used for power wire core insulation; Metal fiber braided reinforcement layer is used outside the power wire core to improve the mechanical properties of the cable; XH-03A chloroprene rubber is used as the outer sheath, and the flame retardant grade meets the requirements of MT386-2011 Test Methods and Judgment Rules for Flame Retardancy of Flame Retardant Cables for Coal Mines. By adopting the above materials and technologies, the safety and reliability of cable operation are ensured.

4. Model and Name of Cable

Model voltage	Name	Use
MYQ-0.3/0.5	Mobile light rubber sheathed flexible cable for coal mine	Underground tunnel lighting, conveyor interlocking and control and signal equipment power connection

5. Cable Structure Diagram

6. Cable Working Conditions
6.1 The rated voltage Uo/U is 0.3/0.5kV.
6.2 The long-term allowable working temperature of cable conductor is 90℃.
6.3 The minimum bending radius of cable is 6 times of the cable diameter.

7. Power Frequency Voltage Test

Table 1