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Brand Name : Kitefly
MOQ : 1~5unit
Price : negotiable
Payment Terms : T/T,L/C,Western Union
Place of Origin : china
Delivery Time : 1~4week
Supply Ability : 1~5unit
Model Number : WF-1000S50-12K
Certification : ISO Certified Manufacturing | CE Available for EU Market
WF-1000S50-12K Product Introduction
High-power 50 V / 240 A airborne power module for heavy-load tethered drone systems
| Detail Information
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Place Of Origin: |
China |
Document: |
WF-1000S50-12K-En.Pdf |
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Supply Ability: |
1~5 unit |
Certification: |
ISO |
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Highlight: |
12 kW airborne power module, 50 V / 240 A onboard power supply, high-current tethered drone power supply |
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| Product Description
The WF-1000S50-12K is a 12 kW airborne DC-DC power module designed for high-power tethered drone systems that require a stable 50 V / 240 A output. Compared with lighter airborne converters, this model is built for customers facing a different problem: how to keep a 50 V platform supplied when payload demand, mission duration, and output current all move into the heavy-load range. With a 900-1000 Vdc input architecture, XT150 low-voltage output, and current-sharing bus support, it is better suited to high-current onboard power conversion in demanding tethered drone applications.
Why this model stands out
• High-current 50 V output: delivers 240 A rated output current for platforms that cannot be adequately served by smaller airborne converters.
• Built for higher onboard power demand: the 12 kW rating makes it a more suitable choice for heavy-load tethered drone missions where payload power consumption is substantially higher.
• High-voltage input architecture: supports 900-1000 Vdc input, matching high-voltage tethered system design requirements.
• Integration-friendly output side: uses XT150 (2+4) output with CSB+ / CSB- current-sharing bus definition for higher-power system integration.
• Outdoor-oriented protection design: IP65 enclosure level, moisture-proof, mildew-proof, and salt-fog-resistant treatment support tougher field environments.
Typical customer pain points this model addresses
• Smaller airborne modules run out of output current too quickly. This 240 A model is better aligned with customers building high-power 50 V platforms.
• Long-duration missions expose environmental weaknesses. The module is specified for outdoor humidity, salt fog, and wide-temperature operation.
• High-power systems need more than just voltage conversion. Connector definition and current-sharing bus support matter when the system level power architecture becomes more complex.
Core Specifications
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Model |
WF-1000S50-12K |
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Input voltage range |
900-1000 Vdc |
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Rated input voltage |
950 Vdc |
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Maximum input current |
16 A at 900 Vdc, Po = 12 kW |
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Rated output voltage |
50 Vdc |
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Output voltage range |
49.5-50.5 Vdc |
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Rated output current |
240 A |
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Rated output power |
12 kW |
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Peak conversion efficiency |
>=97% |
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Voltage regulation accuracy |
±1% |
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Output ripple and noise |
<= ±2% Vo (20 MHz bandwidth) |
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Output rise time |
<=200 ms |
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Startup delay |
<=5 s |
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Dynamic recovery time |
<=2 ms |
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Cooling method |
Self-contained air cooling |
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Operating temperature |
-40 C to +55 C |
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Storage temperature |
-40 C to +80 C |
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Protection level |
IP65 |
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Dimensions |
204 x 239 x 139 mm |
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Weight |
5700 g |
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Input connector |
XT60 |
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Output connector |
XT150 (2+4) |
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Current-sharing bus |
CSB+ / CSB- |

Protection and safety features
• Input under-voltage protection: 730-770 Vdc, with recovery at 780-800 Vdc.
• Input over-voltage protection: 1030-1070 Vdc, with recovery down to 1030-1000 Vdc.
• Output over-voltage protection: 52-55 Vdc, self-recoverable.
• Output over-current protection: 255-300 A, self-recoverable.
• Short-circuit protection: long-term short-circuit capability with self-recovery.
• Over-temperature protection: 70 C shell temperature, with recovery at 60 C.
• Electrical safety: 2500 Vdc withstand voltage between input and output / enclosure, and insulation resistance >=10 Mohm @ 500 Vdc.
FAQ
What kind of tethered drone system is WF-1000S50-12K best suited for?
This model is best suited for high-power tethered drone architectures that require a stable 50 Vdc output and substantially higher onboard current than smaller airborne modules can provide. It is more relevant when the application is constrained by output current capacity rather than by minimum airborne weight.
Why would a customer choose this 12 kW module instead of a lighter airborne power supply?
The trade-off is straightforward: this model is heavier, but it provides a much higher 50 V output capability at 240 A. That matters when the platform, payload, or total mission power demand moves beyond the practical range of smaller 6 kW or 8 kW airborne modules.
Does WF-1000S50-12K support higher-power system integration?
Yes. The output connector definition includes CSB+ and CSB- for a current-sharing bus, which is relevant when customers are evaluating higher-power integration strategies or coordinated power architectures.
Is this module suitable for outdoor humid or salty environments?
The manual specifies IP65 protection, moisture-proof, mildew-proof, and salt-fog-resistant treatment. That makes it more suitable for field deployment than a purely indoor-oriented power module, although system-level waterproofing still depends on the complete aircraft and tethered power assembly.
What should customers pay attention to when selecting this model?
The key selection points are the 900-1000 Vdc input requirement, 50 Vdc output architecture, 240 A output demand, connector matching on both input and output sides, airborne weight allowance, and whether the project truly needs 12 kW class onboard conversion instead of a smaller module.
Related models for selection
• WF-750S50-6K for compact 50 V airborne conversion where lower output power and lower mass are priorities.
• WF-800S50-8K for higher 50 V power than 6 kW while keeping the module smaller than a 12 kW class unit.
• WF-1000S60-8K for platforms that require a 60 V output architecture instead of 50 V.
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Contact for technical selection Kitefly Tethered Email: susy@tetheredsystem.com | Website: www.tetheredsystem.com Application support for tethered drone power, airborne DC-DC modules, and system matching. |
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50V/240A Onboard Power Supply Tethered Drone Parts 5700Grams Weight WF-1000S50-12K Kitefiy Images |