Unknown 64528A-1A05-1A06-1A07 Circuit Board Module

Circuit Board Module marked as 64528A-1A05-1A06-1A07, used as part of an industrial control or power system. Features discrete components including resistors, diodes, and relays, mounted on a single-sided PCB. Likely designed for signal conditioning, relay control, or logic interfacing. Manufactured in the USA. Component type: Circuit Board Module Model/Marking: 64528A-1A05-1A06-1A07 Board type: Single-sided printed circuit board (PCB) Components: Resistors, diodes, relays, connectors Relay types: CWA 3919TEA-2532 / 3919TEC2-2536 (plug-in style) Inputs/Outputs: Multiple labeled connections (L1, L2, L3, L4, R1, etc.) Application: Industrial control, relay logic, signal interface Construction: Fiberglass PCB with through-hole mounted components Country of manufacture: USA Please review pictures carefully and let us know if you have any questions!