Power/signal cable – Type 4591
Construction characteristics
Shielded twisted triad: 1.50 mm² bare copper conductor insulated with PE. Three conductors twisted together with tinned copper drain wire and aluminium/polyester foil (1 each)
Shielded twisted pairs: 0.50 mm² bare copper conductor insulated with PE. Two conductors twisted together with a tinned copper drain wire and aluminium/polyester foil (8 each)
Filling compound: The cable is filled with cable filling compound
Outer jacket: Polyurethane jacket, black
Mechanical characteristics
Diameter: 19.00 mm ±0.50 mm
Weight in air: 460 kg/km nom
Weight in seawater: 170 kg/km nom
Min. bending radius, static: 125 mm
Min. bending radius, dynamic: 185 mm
Depth rating: 5,000 m
Electrical characteristics
Operating voltage: 1,000 V DC for 1.50 mm² conductors
600 V DC for 0.50 mm² conductors
Test voltage: 4,000 V DC for 1 min for 1.50 mm² conductor
3,000 V DC for 1 min for 0.50 mm² conductor
Conductor resistance: ≤ 13.7 ohm/km for 1.50 mm² conductor
≤ 41.0 ohm/km for 0.50 mm² conductor
Insulation resistance: ≥ 10,000 Mohm×km (cond. – shield)
≥ 100 Mohm×100 m (shield – shield)
Capacitance: 80 pF/m for 1.50 mm² triad
100 pF/m for 0.50 mm² pair
Impedance: 57 ±5 Ohm for 0.5 mm² pair
Attenuation: 7.0 dB/100 m at 1 MHz
18.0 dB/100 m at 10 MHz
