ABB PR120/D-M Module

Core Performance & Industrial Application

The ABB 1SDA058254R1 is the PR120/D-M Modbus communication module (E1-6) for PR122 and PR123 electronic trip units on SACE Emax E1-E6 air circuit breakers.

It mounts on the trip unit to expose measurement, status and protection parameters over Modbus RTU to the plant SCADA/BMS.

Loose/configurable accessory; fits Emax E1, E2, E3, E4, E6; net weight 1 kg; IEC compliant.

It serves as spare replacement on Emax breaker communication retrofits.

Technical Specifications

▶ Product type: Trip-unit communication module

▶ Brand: ABB SACE Emax

▶ Model: PR120/D-M; code 1SDA058254R1; EAN 8015644605414

▶ Protocol: Modbus RTU; for PR122/PR123 trip units

▶ Fit: Emax E1, E2, E3, E4, E6; loose/configurable accessory

▶ Weight: 1 kg; package gross 0.3 kg

▶ Standards: IEC; CE, RoHS, REACH

▶ Feature: Breaker telemetry/status via Modbus bus

▶ Note: Interface cable and trip-unit revision confirmed from nameplate before ordering

▶ Country of origin: Italy

▶ Compliance: CE, IEC certification

Industry Applications

Applied in Emax ACB SCADA integration, breaker status/measurement telemetry and PR120/D-M module spare replacement.

Note: Confirm protocol variant, cable and trip-unit model against nameplate before ordering