A3(400S50, 950g)

1-AF-400S50-3K-en

The AF-400S50-3K is a rugged, high-density DC-DC power supply engineered for demanding applications such as tethered drone brushless motor systems. With a compact footprint (167×99×53 mm) and IP67 protection, it delivers reliable performance in harsh environments.
Key Specifications:

•
Input: 360–410Vdc (max 415Vdc)

•
Output: 44–51.2Vdc / 65A (3000W continuous, 3400W peak)

•
Peak Efficiency: Up to 98%

•
Cooling: Forced air cooling

•
Protections: Output overcurrent, short-circuit, overvoltage, and overtemperature protection

•
Parallel Capability: Supports current sharing and redundant operation

•
Weight: ≤0.95kg

•
Operating Temperature: -40°C to +55°C

•
MTBF: ≥100,000 hours

The module features seamless battery transition with no voltage transients, low ripple (<280mVp-p), and fast dynamic response. Its modular design ensures high reliability and ease of integration.
Perfect for industrial power systems requiring compact size, high efficiency, and robust environmental performance.

Tethered System A3 400S50

Tethered System 950g weight

A3 Tethered System with warranty

A3(400S50, 950g) Images