AH047644U003 Trigger Board Card is a three-phase trigger board (PCB) used as a spare part in Parker Eurotherm SSD drive families, with documented compatibility across three-phase converters in the 545 and 547 series and the 546 and 548 2Q configurations. It serves as a trigger board within the drive's control electronics to coordinate the converter's operation. Online catalogs label it as SSD 047644 Trigger Board, confirming it as a replacement PCB for SSD drives. The AH047644U003 designation appears across Parker Eurotherm spare-parts listings, underscoring its place in the SSD product family.
