Product Description
Avionic Instruments Inc. 70550-02025-103 Converter. Very good condition. No manual, cables or other accessories. 115/200 V.A.C. 3 Phase 400Hz input, 28 V.D.C. 200 Amperes Output.
The 70550-02025-103 is an aviation electrical converter / power supply unit originally associated with aerospace and helicopter systems:
- It’s typically classified as a converter or power supply used in aircraft power distribution systems.
- In military/aviation parts catalogs it corresponds to NSN 6130-01-202-7175, which is in the Federal Supply Class for Converters Electrical Non-Rotating.
- This part converts three-phase AC power (typically 115/200 V AC at 400 Hz) into 28 V DC output at around 200 amperes – a common power requirement in aircraft electrical systems.
- It’s a heavy electrical unit (often ~24 lbs), designed for integration into aviation power systems.
Purchaser responsible for any certification and proper installation/use. As shown.









