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Underground Voice Communication Leaky Feeder Cable Low Smoke Halogen Free Jacket
MSHA certified leaky feeder cable, Meet IEC1196 and EN50117.
The leaky feeder cable has a radiation pattern of 360 degrees around the cable and can be strapped directly to a centenary cable, water or air pipe. The standard length is 350m or 500m with a yellow outer jacket.
As an option, the cable can be manufactured according to order with a blue color outer jacket and low smoke halogen free jacket is also available.
Description & Specifications:
This leaky feeder cable is of 75 ohm with oxygen free copper as inner conductor. Evenly spaced copper wire for outer conductor, the common color of outer jacket is yellow, but blue or orange color is also available.
Oxygen free copper
Inner conductor diameter:2.31±0.05mm(0.091±0.002 inches)
Gas expanded polyethylene
Diameter over dielectric: 9.53±0.2mm(0.375±0.008 inches)
1. Annealed oxygen free copper wire
16 strand x 0.6±0.05mm(0.024±0.002 inches)
2. Tape for tightening copper wires
Flame retardant Jacket
Inner jacket: black PE
Outer jacket: PVC or low smoke zero halogen
Impedance : 75±3 ohms
Attenuation @160 MHZ--4.2dB/100m
DC resistance inner conductor＜4.5 ohm/km
DC resistance outer conductor＜4.1 ohm/km
Capacitance-- 54 pF/m
Insulation resistance＞10.4m ohm/km
MIN. bend radius--150mm
Operating temperature---40 to +70 centigrade
Cable length/roll—350m or 500m±2% as per customer’s preference
Reel size (Flange* Hub* Traverse): 56cm x 28cm x 50cm or 69cm x31cm x 50cm