7/8''s Fire-retardant feeder cable
USD $3.39 - $3.99 /Kilometer
Min.Order:1 Kilometer
Zhejiang Detong Technology Co., Ltd.
7/8''s Fire-retardant feeder cable
Type Type No. | |||||
Standard cable HHTAY-50-21 Fire-retardant cable HHTAYZ-50-21 | |||||
Construction |
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Inner conductor | Material | Helical corrugated copper tube |
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Diameter(mm) | 9.4±0.1 |
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Insulation | Material | Foamed PE |
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Diameter(mm) | 22.7±0.25 |
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Outer conductor | Material | Annular corrugated copper tube |
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Diameter(mm) | 24.9±0.25 |
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Jacket | Material | LLDPE or fire-retardant PE | |||
Min.thickness(mm) | >1.0 |
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Diameter(mm) | 27.5±0.25 |
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Mechnical Characteristics |
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Bending radius(mm) | Single bend | 80 |
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Repeated bend | 125 | ||||
Tensile strength(N) | 1020 | ||||
Cable weight(kg/km) | 430 |
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Recommended temperature(℃) | Storage | -70~+85 |
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Installation | -40~+60 |
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Operating | -55~+85 |
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Electrical Characteristics | |||||
Inner conductor DC resistance(Ω/km) | 2.97 | ||||
Outer conductor DC resistance(Ω/km) | 1.31 | ||||
Characteristic impedance(Ω) | 50±1.5 | ||||
Capacitance(p F/m) | 75 | ||||
Velocity(%) | 88 | ||||
Dielectric strength(KV) | 6.0 | ||||
Insulation resistance(MΩ/km) | >1×104 | ||||
Peak power rating(KV) | 90.0 | ||||
Peak voltage(V) | 3100 | ||||
Cut-off frequency(GHz) | 5.2 | ||||
Attenuation and Average power(Maximum attenuation value shall be 105% of the nominal attenuation value) | |||||
Frequency (MHz) | Attenuation (@20℃,d B/100m) | Average power(kv) | |||
200 | 1.87 | 4.61 | |||
450 | 2.88 | 2.99 | |||
800 | 3.94 | 2.19 | |||
900 | 4.22 | 2.06 | |||
1000 | 4.46 | 1.94 | |||
1500 | 5.60 | 1.54 | |||
1800 | 6.21 | 1.39 | |||
2000 | 6.59 | 1.31 | |||
2200 | 6.95 | 1.23 | |||
2500 | 7.50 | 1.15 | |||
3000 | 8.35 | 1.04 | |||
VSWR | |||||
800MHz~1000MHz | 1.10 | ||||
1700MHz~2500MHz | 1.13 | ||||
2500MHz~3000MHz | 1.15 |