ABB REC650 1MRK006500-AB Bay Control IED

Product Overview

The ABB REC650 1MRK006500-AB is a dedicated Intelligent Electronic Device (IED) for bay control and supervision. It is designed for sub-transmission and distribution substations requiring reliable control of breakers and disconnectors. This unit provides integrated synchrocheck, energizing check, and comprehensive interlocking logic. 

Technical Specifications

• Part Number: 1MRK006500-AB.

• Series: Relion® 650.

• Function: Bay Control, Interlocking, and Supervision.

• Communication: IEC 61850 Editions 1 & 2, DNP 3.0, IEC 60870-5-103.

• Redundancy: Supports PRP and HSR protocols.

• Hardware: 6U height, 1/2 x 19" rack-mount format.

• Control Objects: Supports control of multiple breakers and disconnectors per bay.

• Safety Functions: Integrated synchrocheck and phasing verification.

Key Features and Engineering Advantages

• Pre-Configured Efficiency: The 1MRK006500-AB variant often comes with standard configurations that significantly reduce engineering time and commissioning costs.

• Advanced Interlocking: Sophisticated logic prevents operator errors, such as opening a disconnector under load or closing into an un-synchronized source.

• Zero-Loss Communication: Dual Ethernet ports support HSR and PRP, ensuring the control system remains functional even during a network failure.

• High-Resolution Monitoring: Captures detailed event logs and disturbance recordings, essential for post-fault analysis in the distribution grid.

• Cyber-Secure Design: Features role-based access control and security logging to protect the substation control network from unauthorized access.