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Municipal Telephone Cable
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Municipal Telephone Cable
Municipal Telephone Cable
Standards:
YD/T322-2013
Operating Temperature:
-30℃～+70℃
Characteristics:
Electrical characteristics | |||
D. C Resistance Unbalance | (Max)5% (Avg Max)1. 5% | Insulation Resistance DC100-500V +20℃(Min) | 10000MΩ·km(Non-filling Cable)3000MΩ·km(Filling Cable) |
Impedance(Avg) | 52±2 nF/km(more than 10 pairs)52±4 nF/km(10 pairs) | D. C Resistance20℃(Max) | φ0. 4mm-148. 0Ω/km φ0. 5mm-95. 0Ω/km φ0. 6mm-65. 8Ω/km |
Insulation Dielectric Strength DC | 2kV/3s(Conductor to conductor), 1kV/3s(Conductor to shield) | ||
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