Mining communication cable MHYV1 * 6 * 7/0.52 mining telephone cable

Description :

　　Mining communication cable model: MHYV MHY MHYA32 MHJKV MHYV 1 × 2 2 × 2 1 × 4 5 × 2 × 7/0.28 Mining communication cable is used for level tunnels, inclined tunnels, and electromechanical chambers

　　MHJKV 4/0.28 copper wire+3/0.28 steel wire 1 × 2 2 × 2 mining communication cable used for tunnels with high mechanical damage and inclined tunnels

　　MHY 1/0.8 20 × 2 30 × 2 50 × 2 × 0.8 mining communication cable is used for damp inclined shafts and horizontal tunnels

　　MHYA32 30 × 2 50 × 2 80 × 2 × 0.8 steel wire armored PVC sheathed mining communication cable for vertical and inclined shafts

　　Main technical performance and indicators of mining communication cables: DC resistance of conductor at 20 ℃ Ω/km 7/0.28 ≤ 45 7/0.283 steel 4 copper ≤ 73 1/0.8 ≤ 36.7 intrinsic attenuation (800~1000HZ) dB/km ≤ 1.1 ≤ 1.3 ≤ 0.95 Insulation resistance of cable core at 20 ℃ M Ω. km ≥ 3000 wire pair working capacitance (800~1000HZ) uF/km ≤ 0.06 Near end crosstalk attenuation (800~1000HZ) dB/500m ≥ 70 inductance (800~1000HZ) uH/km ≤ 800 Resistance to AC power frequency voltage 1.5KV/1min Long term allowable working temperature of the conductor for mining communication cables: -40~+50 ℃; When the average relative humidity is ≤ 95% (+25 ℃), the allowable temperature for attachment and installation should not exceed -10 ℃. The minimum bending radius is 10 times the outer diameter of MHYV and MHJKV cables, and 15 times the outer diameter of other types of cables.

AfterSalesService :

• Communication cable for mine