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Local telecommunication cables

Communications cable model HYA HYAC HPVV HYV HJVV HYY

Armored communication cable HYA22 HYV22 HYAT22 HYY23 HYYT23 HYA23 HYAT23 HYA53 HYAT53

Steel wire armored communication cable H the YA33 HYAT33 WDZ - HYA53- HYY33 HYYT33 HYY33

Oil-filled communication the cable HYAT HYYT

Implementation of standards: YD/T322-1996

Structural features: HYA local telecommunication cables using all chromatographic insulation, aluminum integrated sheath (ie, longitudinally of the cable, shielded ribbon with jacket bonded into one layer form a seal retainer), with excellent electrical performance, construction and convenient features.

Electrical properties:

(1) DC resistance: 20 ° C, 0.5mm copper, less than or equal to 95Ω/km.

Insulated electrical strength: between conductors 1min 1kv without breakdown conductors and shielding breakdown in the 1min 3kv not

Insulation resistance: each wire to ground and the rest of the wire core of HYA cable greater than 10000MΩ.km HYAT cable greater than 3000MΩ.km.

(4) Capacitance: average of 52 ± 2nF/km

The FEXT defense degree: 150kHz when the average power of the specified combination is greater than 69dB/km.