PDK41604 3×0.75 mm² + 2SMF 1000 kg Aerostat Tethered Cable, 750 VDC
Tethered Drone Cables · Tethered Systems

PDK41604 aerostat tether with 3×0.75 mm² copper alloy cores and two single-mode fibres, above 1000 kg breaking force, 75 g/m, rated 750 VDC.
Product introduction
This product is a multifunctional tether designed for aerostats such as tethered balloons, airships and high-altitude observation platforms, combining high-strength mechanical load-bearing capacity with stable power transmission.
The cable provides a breaking force of 1 t while keeping weight at only about 75 g per metre.
Technical data:
Model: PDK41604-3×0.75+2SMF
Conductor construction:
- 3 cores 0.75 mm² high-quality lightweight copper alloy
Breaking force: above 1000 kg
Outer diameter: 7.2±0.3 mm
Cable weight: 75±3.0 g per metre
Rated current: 7-10 A (continuous load)
Rated voltage: 750 VDC
DC resistance: 25 Ω/100 m
Operating temperature range: -40 °C to 105 °C
Ideally suited to:
Aerostats for continuous surveillance and communication
Balloons for scientific research and atmospheric monitoring
Tethered balloons for promotions and events
Any application requiring a reliable, high-strength tether where weight is critical.
It meets the requirements of tethered and moored aerostats, high-altitude equipment power supply and signal transmission at the same time.
It is a suitable choice for weather monitoring, communication relay and security surveillance.
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