1. Product executive standard

MT 818-2009 / enterprise standard.

2. Product application scope

Mc-0.38/0.66 is applicable to the power connection of the shearer and similar equipment with rated voltage of 0.38/0.66kv.

Mcp-0.38/0.66 is applicable to the power connection of the shearer and similar equipment with rated voltage of 0.38/0.66kv.

Mcp-0.66/1.14 is applicable to the power connection of shearer and similar equipment with rated voltage of 0.66/1.14kv.

Mcp-1.9 / 3.3 is applicable to the power connection of 1.9/3.3kv shearer and similar equipment with rated voltage.

3. Product use characteristics

3.1. Rated voltage: 0.38/0.66kv, 0.66/1.14kv, 1.9/3.3kv.

3.2. Maximum allowable working temperature of Conductor: 90 ℃, maximum temperature of conductor in case of short circuit (short circuit time not more than 5S) is 250 ℃.

3.3. The minimum bending radius of cable is 6 times of cable diameter.

3.4. The normal applicable ambient temperature of the cable is - 25 ℃ ~ + 65 ℃.

3.5. The flame retardant performance of the cable shall meet the requirements of flame retardant performance in MT 818-2009.

3.6 power frequency withstand voltage of cable: 0.38/0.66kv voltage: 3.0kv/5min without breakdown, 0.66/1.14kv voltage: 3.7kv/5min without breakdown, 1.9/3kv voltage: 6.8kv/5min without breakdown.

4. Main technical indexes of cable

4.1. Conductor structure: Tinned Soft Copper conductor, conforming to the 5th soft copper conductor of GB / T 3956.

4.2. Insulating material: the performance of EPDM based insulating rubber shall meet the requirements of xj-30a type in GB / T 7594.8, and the tensile strength shall not be less than 6.5MPa.

4.3. Core identification: 0.66/1.14kv and below main core: red, white, blue, ground wire: black, control line: white insulation plus black code

1.9/3.3kv and above main core: code or color yarn identification, ground wire: black, control wire: white insulation plus black code.

4.4. Sheath: the sheath rubber or other materials with similar performance using neoprene as the base material shall meet the requirements of xh-03a in GB / T 7594.7, and the tear strength shall not be less than 5.0n/mm.