
Main features
1) It has greatly extended the operation time of UAV, and supports continuous operation for 24 hours and uninterrupted immediate secondary operation;
4) 640W or 1280W high-power and high-intensity lighting unit can be optional, and the effective lighting area can reach more than 10000 m2;
5) Comprehensive input and output protection function, operation, fault record and data storage, support wired communication and mobile phone synchronization;
6) The two modes of tether and release can be switched freely and quickly, which greatly expands the application scenarios and functions of the DJI M300 UAV.
| Material | multi-strand silver-plated copper wire, composite fluoroplastic insulation layer, high-temperature resistant copolymer sheath, high modulus tensile aviation grade fiber braid |
| Working current | 3~5A |
| DC resistance | 10.6 ± 0.2 Ω, 100m loop @ 20 ºC |
| Tensile strength | ≥ 100kg, resistance to repeated retraction and release ≥ 1000 times |
| Insulation strength | ≥ 3000Vdc, no breakdown for 1min |
| Mooring length | 110 ± 2m (support customized line length) |
| Outer diameter | 2.6 ± 0.2mm |
| Weight | 11.5 ± 0.5g/m |
| Input voltage | 580~750Vdc wide range input, constant voltage output |
| Output voltage | 25 ± 0.3Vdc or 50± 0.5Vdc, supporting output voltage customization |
| Output power | 3000W (rated long-term output), 3500W (peak value ≤ 30s) |
| Installation method | reserved installation lug and fixed with screws |
| Heat dissipation mode | built-in fan active heat dissipation, reserved air duct forced air cooling |
| Interface | input XT60, output XT90, support interface customization |
| Size | 158 × 134× 50 ± 0.5mm (excluding mounting lug and interface) |
| Weight | 1.1 ± 0.5kg |

Ground module
| Input voltage | 176~300Vac @ full load output, 85~176Vac @ half load output, 50/60Hz |
| Output voltage | 400~750Vdc adjustable, factory default 750Vdc |
| Output power | 4000W |
| Data display | 4.3 inch touch screen displays current, voltage, temperature, cable length, operation record, fault record and other data |
| Alarm function | in case of system fault, the display screen will scroll to display fault information, and the fault warning light will flash red and beep |
| Communication function | Modbus TCP communication (standard product has no open interface), supporting wired communication and mobile phone synchronous display |
| Retraction speed | 0~2m/s, 10 gears adjustable |
| Retrieving and releasing tension | the retracting and releasing tension is divided into 10 gears, which can be adjusted |
| Working mode | passive reel out cable, active reel in cable, automatic tether cable winding, and button forced reel in |
| Carrying transportation | support the carrying on back or hand |
| Interface | input pin socket with switch |
| Buttons and switches | high-voltage output button, cable reel in forced button, AC input switch, alarm lamp |
| Size | 450 × 350 × 210 ± 0.5mm (excluding knapsack components and external connectors) |
| Weight | 13.5 ± 0.3kg (including tethered cable, excluding external accessories) |
A. Input over-voltage and under-voltage protection: turn-off protection, fault elimination and self-recovery;
B. Output overcurrent protection: constant current step-down protection, fault elimination and self-recovery;
C. Output short circuit protection: output current limiting operation, fault elimination and self-recovery;
D. Output over-temperature protection: the shell temperature is 95 ± 2.5 ºC, and the cooling is self-recovery;
E. Output overvoltage protection: automatically shut down and lock, restart and power on for recovery.









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