Communication Cable Introduction

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Communication Cable Introduction

Communication Cable Introduction

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Mine communication cable is suitable for ac rated voltage 500 v or 1000 v dc railway signal control, audio transmission and the following or some automatic devices with various cable fixed installation. Mine communication cable standards: GB/T2476-1993.

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Communication Cable Introduction

Mine communication cable is suitable for ac rated voltage 500 v or 1000 v dc railway signal control, audio transmission and the following or some automatic devices with various cable fixed installation.
Mine communication cable standards: GB/T2476-1993.

Communication Cable Performance

1.The dc resistance: 20 and 0.5 mm copper wire, less than or equal to 95 Ω/km.
2.Insulated electrical strength: 1 min 1 kv no breakdown between conductors and conductors shield 1 min 3 kv is not breakdown.
3.Insulation resistance: each wire with the rest of grounding wire core, HYA cable than 10000M
Ω.km, HYAT cable than 3000MΩ.km.
4.Capacitance: mean 52
± 2nF/km.
5.The far end crosstalk defense: 150 KHZ specified when the combination of the average power is greater than 69 db/km.
Communication cable Executive standard: YD/T322-1996.
Communication cable structural characteristics: HYA local telecommunication cable chromatography insulation, integrated aluminum sheath (ie, longitudinal shielded ribbon cable and the sheath bonded into one, forming a seal protection layer), with excellent electrical performance, construction convenient features.

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