ABB 468S3575-1E Overcurrent Relay Single Phase

ABB 468S3575-1E is a single-phase overcurrent relay in ABB's Circuit Shield family, identified as Type 50D. The device is designed for DC operation and specifies a 48/125 VDC supply, with the part number 468S3575-1E explicitly described as a Circuit Shield Type 50D Overcurrent Relay, Single Phase 48/125VDC. Distributor listings label this model as discontinued, reflecting its status in current inventories. As part of the Circuit Shield 50D lineage, ABB literature also references related 50H variants within the same family of overcurrent protection relays, illustrating its place in ABB’s legacy protection portfolio. This relay is intended for overcurrent protection in single-phase circuits within ABB protection architectures, adhering to the 48/125 VDC input specification typical of Circuit Shield devices.