Asea Brown Boveri 701819-303AC Bridge Rectifier

The 701819-303AC ABB Bridge Rectifier Power Cube is a compact, integrated SCR bridge module designed for phase-controlled AC-to-DC conversion in Reliance Electric MiniPak variable-speed drives. It is intended for 115 VAC service at about ¼ to ¾ hp and for 230 VAC service at about ½ to 1½ hp (and 2–3 hp in higher‑power drive configurations), making it a versatile replacement/upgrade component for legacy drive systems. In typical installations, two units are required per controller to meet higher power demands. The Power Cube naming reflects its role as a plug‑in rectifier module, and it is commonly referenced across ABB, Reliance Electric, Baldor Reliance, and International Rectifier product listings, underscoring its historical lineage within the ABB family. Weight is approximately 0.15 lb (roughly 68 g), and the module ships as a compact, single‑package bridge rectifier with integrated SCRs for DC armature power delivery in motor control applications.