Power/signal cable – Type 4971
Construction characteristics
Power conductors: 2.50 mm² bare copper conductor insulated with PE (2 each)
Shielded twisted pair: 0.50 mm² bare copper conductor insulated with PE. Two conductors twisted together with a tinned copper drain wire and aluminium/polyester foil (1 each)
Outer jacket: Polyurethane jacket, orange
Mechanical characteristics
Diameter: 11.00 mm ±0.30 mm
Weight in air: 160 kg/km nom
Weight in seawater: 65 kg/km nom
Min. bending radius, static: 130 mm
Min. bending radius, dynamic: 165 mm
Depth rating: 3,000 m
Operating temperature range: -20̊ C to 80̊ C
Electrical characteristics
Operating voltage: 600 V DC for 2.50 mm² conductors
300 V DC for 0.50 mm² conductors
Test voltage: 4,000 V DC for 1 min for 2.50 mm² conductors
3,000 V DC for 1 min for 0.50 mm² conductors
Conductor resistance: ≤ 8.0 ohm/km for 2.50 mm² conductors
≤ 41.0 ohm/km for 0.50 mm² conductors
Insulation resistance: ≥ 5,000 Mohm×km for 2.50 mm² conductors
≥ 10,000 Mohm×km for 0.50 mm² conductors (cond. – cond.)
≥ 100 Mohm×100 m for 0.50 mm² conductors (cond. – shield)
Capacitance: 100 pF/m for 0.50 mm² pair at 800 – 1,200 Hz nom
Characteristic impedance (1-10 MHz): 57 ±5 Ohm for 0.50 mm² conductors
Attenuation: 7.0 dB/100 m at 1 MHz
18.0 dB/100 m at 10 MHz
