MHYS32-80×2×0.7 Mining Armored Communication Cable Technical Analysis
I. Model Definition and Structure
MHYS32‌：
Coal mine cables (compliant with MT 818-2009 standard)
HYS: Polyethylene Insulation (H) + Steel-Polyethylene Bonded Sheath (YS)
32: Steel wire armor (3) + outer poly sheath (2), tensile strength ≥ 50 kN/m².
80×2×0.7: 80 pairs of twisted pair cables (each pair with 2 cores, conductor diameter 0.7mm), copper conductor design, suitable for high-capacity communication transmission.
II. Key Performance Parameters
Parameter item Technical Specifications Standard Basis
Conductor Resistance ≤0.5 Ω/km (at 20℃) MT 818.14-1999‌
Operating Temperature -20°C to 70°C (long-term) MT 818-2009‌
Armored characteristics Steel wire armored (tensile strength ≥ 50 kN/m²) MT 386-1995‌
Applicable Scenarios Vertical shafts, inclined shafts, etc., with higher mechanical damage environments MT 818-2009‌
Section 3: Application Scenarios
Underground Coal Mines: Vertical and Inclined Shaft Communication Systems (Steel Wire Armored for Tensile and Impact Resistance)
Tunnel Engineering: High-capacity signal transmission (supports multi-path communication with 80 pairs of twisted wires).
Permanent Installation: Wet environments requiring mechanical protection (such as electrical and mechanical control rooms).