Acrison M-4-289 Power Supply Board

Industrial power supply module designed for Acrison equipment. Features a heavy‑duty transformer, multiple rectification and filtering stages, and robust terminal block connections for reliable low‑voltage DC power delivery within feeder and control systems.
Technical Specifications
Manufacturer: Acrison
Model Number: M‑4‑289 (visible on PCB label)
Board Type: Power supply PCB
Transformer: Encapsulated AC transformer (label visible: “Triad Magnetics F‑229Z”)
Transformer Specifications (visible): 115VAC primary, 50/60 Hz
Power Components: Multiple large electrolytic capacitors, rectifier diodes, voltage regulation components
Terminal Block: 12‑position screw terminal strip
Indicator: Red LED (power indicator)
Construction: Through‑hole components on green fiberglass PCB
Protective Components: Multiple resistors, ceramic capacitors, and discrete semiconductors
Mounting: Four mounting holes on corners
Back‑Side Markings: “M‑4‑289” printed on PCB, hand‑written inspection label “B.B.S.”
Country of Manufacture: USA Please review pictures carefully and let us know if you have any questions!