ABB – SACE PR212/D-M – Modbus Communication / Dialogue Module for Isomax S Break

The SACE PR/D-M is a modular dialogue / communication unit enabling Modbus RTU interface for ABB SACE Isomax S circuit breakers with PR/P electronic releases. It allows two-way communication with SCADA systems, permitting remote reading of breaker status, current/measurements, fault history, and even remote commands (open/close/reset) when paired with the PR/T actuator.