Astec Open-Frame AC/DC Switching Power Supply, closely matching components from the LPS25 or LPS45 series (part number reference 042-]
Key Visible Features
Brand & Model: Manufactured by Astec (now part of Artesyn/Advanced Energy), labeled with part numbers and a high-voltage caution symbol.
Capacitors: Features a large primary Nichicon electrolytic capacitor marked 150 alongside smaller secondary filtering capacitors.
Transformers & Coils: Includes mounted magnetic transformers and copper-winding inductors for step-down voltage conversion.
Heat Sinks: Silver aluminum brackets serve as heat sinks for internal switching transistors or diodes.
Connections: Standard multi-pin input/output power headers located along the edges of the PCB.