UAVMODEL
AF-400S24-1.5K Power Module
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Overview
1. This power supply features a compact size, lightweight, and high waterproof rating.
2. It has a long service life, fast dynamic response, and high efficiency.
3. It seamlessly switches between batteries and other power supplies, eliminating voltage transients.
4. It utilizes a highly reliable modular design.
5. It is widely used for powering tethered lighting drones.
Functional Description
Input range: 360-400Vdc, output: 24Vdc/62.5A, rated power: 1400W, peak power: 1500W. The power supply includes output overcurrent protection, output short-circuit protection, output overvoltage protection, and overtemperature protection.
Usage Environment
| Minimum | Typical values | Maximum | unit | Remarks/Conditions | ||||||
| Operating temperature | -40 |
一 |
+55 | ℃ | Forced air cooling | |||||
| Storage temperature | -55 | 25 | +105 | ℃ | ||||||
| Relative humidity | 5 |
一 |
95 |
% |
No condensation | |||||
| Storage humidity | 5 | 一 |
95 |
% | No condensation | |||||
| Atmospheric pressure | 54 |
一 |
106 | kPa | ||||||
| Altitude |
一 |
一 |
5000 | m | ||||||
| IP rating | IP55 |
Enter basic properties |
||||||||
Enter basic properties
| project | Minimum | Typical values | Maximum | unit | Remarks/Conditions | |||||
| Input voltage range | 360 | 390 | 400 | Vdc | ||||||
| Maximum input voltage | 410 | 415 | 420 | Vdc |
Power supply is not damaged under these conditions. |
|||||
| Maximum input current |
一 |
一 |
4.3 |
A |
Vin = 360Vdc, output rated load." |
|||||
| Input surge current |
一 |
一 |
50 |
A |
Vin = 410Vdc, output full load." |
|||||
| Startup | 360 | 390 | 400 | V |
Startup at rated power." |
|||||
Output basic characteristics
|
project |
Minimum | Typical values | Maximum | unit |
| Output voltage 1 range |
22.5 |
24 |
25.5 |
Vdc |
|
OUT load regulation |
一 | 一 | ±3 |
% |
|
OUT Load Regulation |
- |
- |
±5 |
% |
|
|
|
Efficiency |
95 |
97 |
97.5 |
% |
Input 380-400Vdc, output full load |
|
|
Ripple and Noise |
- |
110 |
280 |
mVp-p |
20MHz bandwidth limit |
|
|
OUT Current |
- |
58 |
62.5 |
A |
|
|
|
Output Voltage Overshoot |
- |
- |
±5 |
% |
|
|
|
transientresponse |
Overshoot amplitude |
- |
- |
±5 |
% |
Ta=25℃ , 50%-75%-50%, di/dt=0.1A/µs Load step change |
|
|
Recovery time |
- |
- |
200 |
µs |
|
|
Temperature coefficient |
- |
- |
±0.02 |
%/℃ |
|
|
Protection features
|
Items |
Minimum |
Typical values |
Maximum |
unit |
Remarks/Conditions |
|
Input overvoltage protection |
435 |
440 |
445 |
V |
|
|
Input undervoltage protection |
290 |
300 |
305 |
V |
|
|
Output overcurrent protection |
|
50 |
|
A |
Locked, restarted normally |
|
Output short-circuit protection |
YES |
Locked, restarted normally |
|||
|
Overtemperature protection |
YES |
Self-recovery |
|||
|
Power supply paralleling |
Passive current sharing in parallel |
|
|||
Other specifications
|
Items |
Requirements |
Remark |
|
Triple-proof design |
PCB coated with conformal coating |
|
|
Heat dissipation |
Forced air cooling |
|
|
MTBF |
≥100KH |
|
|
Weight |
≤380g |
|
|
Power indicator |
One green light stays on during operation; otherwise, it turns off. |
|
Safety features
|
Project |
Level |
Standard (or test conditions) |
||
|
Insulation Withstand Voltage
|
Input to output |
3000 |
Vdc |
No breakdown or arcing. Test conditions: 5mA/min, rise rate 500V/s |
|
Input to ground |
1500 |
Vdc |
||
|
Output to ground |
500 |
Vdc |
||
|
Insulation Resistance |
Input to output |
≥50 |
MΩ |
Under normal atmospheric pressure, relative humidity is 90%, test voltage: 500Vdc |
|
Input to chassis |
≥50 |
MΩ |
||
|
Output to chassis |
≥50 |
MΩ |
||
EMC characteristics
|
Project |
Grade (standard) |
Notes (Indicator Requirements) |
|
|
IEC61000-4-5,LEVEL 3 |
See Note 1) A for criteria. Input differential mode: ±1kV, common mode: ±2kV. External filtering circuit required. Line-to-line ±1kV, line-to-ground ±2kV. See Note B for criteria. |
|
Surge |
IEC61000-4-4 LEVEL 3 |
Both input and output must meet: |
|
EFT |
GB/T 17626.2-2006 |
Contact discharge: ±6kV. See Note B for criteria. |
|
Air discharge: ±8kV. See Note B for criteria. |
||
|
|
EN55022 |
Apply Class A EMC filter. |
|
ESD |
EN55022 |
Apply Class A EMC filter. |

Input and Output Wire Specifications:
1. Input (Positive): Brown, 12AWG, 105°C, 300V; Input (Negative): Orange, 12AWG, 105°C, 300V
2. Output (Positive): Brown, 10AWG, 105°C, 300V; Output (Negative): Orange, 10AWG, 105°C, 300V

Dimensions:
103mm*53mm*50mm (excluding output wires)
Tolerance for unmarked dimensions: ±0.3mm
User Notices
Please read the warnings and precautions before using this product. Improper operation may result in power supply damage or accidents.
Warning:
When powered on, keep your hands and face away from the product to avoid accidental injury.
Do not modify or disassemble the product yourself, as this may damage the product or cause accidents.
There are high voltage and high temperature areas inside the product. Do not touch internal components to avoid electric shock or burns.
Precautions:
Confirm that the product's input/output terminals and signal terminals are connected correctly according to the product manual. Disconnect the input power before wiring. Use the power supply within the technical specifications. Exceeding this range may cause product damage.
The potential risk of electric shock from the output terminals during use must be considered to ensure that the end user does not come into contact with the product. The end equipment manufacturer must design appropriate protection measures to prevent accidents caused by workers or tools contacting the power terminals during operation.
FAQS
1. HOW DO I PLACE MY ORDER?
- Simply choose your style on the product page then click the “Add To Cart” button and follow the simple steps to complete your order.
- We’ll prepare your order and let you know when it's on its way!
2. HOW LONG WILL IT TAKE TO SHIP MY ORDER?
- Orders typically ship within 5 to 10 business days. For international orders, transit will take an additional 1 to 2 weeks.
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- Tracking numbers can take 3-5 days to appear in the shipping carrier's system. Occasionally, the shipping carrier can lose an order. If the tracking number is still not working within a few days, please contact the shipping carrier.
4. I NEED HELP WITH A LATE ORDER
- Orders typically ship within 5 to 8 business days. For international orders, transit will take an additional 1 to 2 weeks.
- If your order has not arrived after 10 business days (domestic) and 20 business days (international), please contact our team, we are happy to assist.
- Products that need to be customized, production time is 10-25 days to ship, product details will be announced.
5. We accept the following secure payment methods:
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Third-Party Payments:
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Just after your order has been successfully placed.
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8.What delivery?
We cooperate with DHL, FedEx, EMS shipping companies, you can choose freely when placing orders;
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- FedEx :https://www.fedex.com/
- EMS:https://www.ems.com.cn/
- Logistics Tracking:https://www.uavmodel.com/apps/17TRACK
9.Refund issue?
Due to the buyer's own reasons, resulting in a refund. This website will not be responsible for the payment of processing fees including returning shipping cost.
Made-to-order products: Once a customer submits an order, the product will immediately go into production. Given its customized nature and the immediacy of production, such orders become binding upon confirmation and no refunds will be accepted.
All products that require production time are classified as customized products.
10、Answer: Customs clearance responsibility depends on trade terms (e.g., EXW, FOB, DDP). Generally:
- Our Default Terms: The customer (consignee) must handle clearance and pay all duties/taxes.
- Exceptions: If your order states "DDP (Delivered Duty Paid)", we will handle clearance.
11、Answer: Typically required documents:
- ID (e.g., passport) or business tax number;
- Commercial invoice (contact us after purchase);
- Tip: Contact your local customs in advance!
12、Answer: Duties are determined by your country’s customs based on product type, value, and regulations. To estimate costs:
- Check your local customs website;
- Use third-party tools (e.g., Avalara, DutyCalculator).
13、Answer:
- Delays: Contact customs directly to submit documents/payments. We can provide tracking numbers or invoices.
- Destruction: Losses due to unresponsive clearance will be borne by the customer.
- Exceptions: If caused by our documentation errors, contact us for support.
14、Answer: You will receive a commercial invoice and packing list via email. For other documents, contact sales@uavmodel.com (response within 24 hours).
15、Answer: The following products may be seized or rejected:
- Prohibited items in your country (e.g., cosmetics with banned ingredients);
- Products without required certifications (e.g., electronics lacking CE marks);
- Under-declared value (may raise tax evasion suspicions).
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Under such circumstance, here are 3 solutions for you:
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2. Please switch to your other credit/debit cards.
3. If you do not have a PayPal account, please select PayPal still at the checkout page & click the complete order button. Then you'll be directed to a page with access to both PayPal and Debit/Credit card payment (for the latter option, you don't have to register for PayPal).
As following steps:
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Step 2. Click on "Pay with Debit or Credit Card".

Step 3. Fill in your credit card info and complete your order.

Bank transfer information:
Account Number: 63001185921
Holder Name: Xiamen Gaoteng Trading Co., Ltd.
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Bank Location Country: HONG KONG, CHINA
Bank Address: CHATER HOUSE, 8 CONNAUGHT ROAD, CENTRAL, HONG KONG
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Swift/BIC: CHASHKHH (CHASHKHHXXX,If 11 characters are required)
Routing Number: 007863
Bank Code: 007
Branch Number: 863
Please include the following memo/message to receiver when making a payment: [Buyer Name][Invoice/Contract Number][Product]
UAVMODEL
Ownership:
UAVMODEL CO., LTD.;
ZHANGZHOU YICHENG TECHNOLOGY CO., LTD.;
XIAMEN GAOTENG TECHNOLOGY CO., LTD.
Email:Sales@uavmodel.com
Phone: +8613015671328
313, No.25, Jingxia Road, Wenpu Industrial Park, Jiaomei Town, Taiwan Investment Zone,
Unit 2502-3, No.1110, Jimei North Road, Software Park, Torch High-tech Zone, Xiamen

What we really do?
UAVMODEL is a leading UAV airframe manufacturer. Our UAV platforms serve professional needs in industrial inspection, gas and oil, precision agriculture, mapping, public safety, construction, forestry and defense.
10+ Years of Experience
500+ Successful Cases
12+ Industry Awards
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We are committed to the R&D of medium and large UAVs and specialized UAV technologies for complex environments. Our focus includes design, production, testing, sales, and service, providing comprehensive solutions based on our technology.
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