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Rubber sheathed flexible cable with movable metal shield for monitoring in coal mine

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Classification:

Mining cables

Summary:

Mvfp-0.38/0.66 is suitable for the control system of frequency conversion device of coal mine with rated voltage of 0.38/0.66kv as power supply cable or electrical connection, only suitable for fixed laying, not suitable for frequent moving, winding, bending, retracting and releasing.

Product Description
Parameter

1. Product executive standard

Enterprise standards.

2. Product application scope

Mvfp-0.38/0.66 is suitable for the control system of frequency conversion device of coal mine with rated voltage of 0.38/0.66kv as power supply cable or electrical connection, only suitable for fixed laying, not suitable for frequent moving, winding, bending, retracting and releasing.

Mvfp-0.66/1.14 is suitable for the control system of frequency conversion device of coal mine with rated voltage of 0.66/1.14kv as power supply cable or electrical connection, only suitable for fixed laying, not suitable for frequent moving, winding, bending, retracting and releasing.

Mvfp-1.9 / 3.3 is suitable for the control system of frequency conversion device of coal mine with rated voltage of 1.9/3.3kv as power supply cable or electrical connection, only suitable for fixed laying, not suitable for frequent moving, winding, bending, retracting and releasing.

3. Product use characteristics

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

3.2. The maximum allowable working temperature of conductor is 90 ℃, and the maximum temperature of conductor in case of short circuit (the short circuit time shall not exceed 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 copper, conforming to the 5th soft copper conductor of GB / T 3956.

4.2. Insulating material: the insulating rubber based on ethylene propylene rubber shall meet the requirements of xj-30a type in gb7594.8, but 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

1.9/3.3kv main core: code or color yarn identification, ground wire: black.

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.

型号	电压	规格	参考外径	参考重量
MVFP	0.38/0.66KV	316+34	31.9	1682.5
MVFP	0.38/0.66KV	325+36	36.9	2326.4
MVFP	0.38/0.66KV	335+36	39.4	2765.1
MVFP	0.38/0.66KV	350+310	45.5	3775.9
MVFP	0.38/0.66KV	370+316	50.1	4793.1
MVFP	0.38/0.66KV	395+316	56.0	6009.7
MVFP	0.38/0.66KV	3120+325	59.1	7113.4
MVFP	0.38/0.66KV	3150+325	65.2	8577.5
MVFP	0.38/0.66KV	3185+335	69.2	10114.8
MVFP	0.66/1.14KV	316+34	34.1	1862.6
MVFP	0.66/1.14KV	325+36	39.0	2516.8
MVFP	0.66/1.14KV	335+36	41.9	3008.3
MVFP	0.66/1.14KV	350+310	47.6	4007.9
MVFP	0.66/1.14KV	370+316	51.6	4969.6
MVFP	0.66/1.14KV	395+316	57.7	6262.1
MVFP	0.66/1.14KV	3120+325	60.2	7438.7
MVFP	0.66/1.14KV	3150+325	65.2	8873.7
MVFP	0.66/1.14KV	3185+335	71.3	10460.0
MVFP	1.9/3.3KV	316+34	38.7	2426.7
MVFP	1.9/3.3KV	325+36	41.6	2989.3
MVFP	1.9/3.3KV	335+36	46.3	3598.7
MVFP	1.9/3.3KV	350+310	49.5	4467.0
MVFP	1.9/3.3KV	370+316	55.3	5601.7
MVFP	1.9/3.3KV	395+316	59.5	6782.8
MVFP	1.9/3.3KV	3120+325	64.4	8047.4
MVFP	1.9/3.3KV	3150+325	68.5	9469.6
MVFP	1.9/3.3KV	3185+335	73.1	11027.3

Key words:

Rubber sheathed flexible cable with movable metal shield for monitoring in coal mine

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