ABB REM611 Motor Protection and Control Relay

Overview

The ABB REM611 is a motor protection and control relay designed for various synchronous and asynchronous motors. Part of ABB's Relion® 611 series, it provides advanced protection, control, measurement, and monitoring functions. Its design is compact, making it suitable for both new installations and retrofits. The ABB REM611 is ideal for applications requiring high reliability, flexibility, and fast response times.

Technical Specifications

Communication Protocols

• IEC 61850 standard for station automation.

• GOOSE messaging for interoperability.

• HSR/PRP functionality for network redundancy.

Environmental Specifications

• Operating temperature: -25°C to +55°C.

• Storage temperature: -40°C to +70°C.

• Compact design suitable for new and retrofit installations.

Product Benefits

• Preconfigured functions for motor protection to reduce setup time.

• Factory-tested to minimize engineering and commissioning time.

• HSR/PRP self-healing communication with an optional second Ethernet bus.

• Withdrawable plug-in unit for easy installation and testing.

Product Features

• Motor protection and control for a variety of drives.

• Web-based HMI with I/O matrix for visual selection and configuration.

• Standard configurations for quicker relay setup and commissioning.

• Supports IEC 61850 Editions 1 and 2 including binary GOOSE messaging.

• Preconfigured solutions for utility distribution and industrial applications.

Rated Frequency and Current Inputs

• Rated frequency: 50/60 Hz.

• Current inputs:

• Half-wave value: 250 A to 1250 A.

• Continuously: 4 A to 20 A.

• For 1 second: 100 A to 500 A.

• 0.2/1 A and 1/5 A.

• Thermal withstand:

• Dynamic current withstand:

Rated Voltage and Contact Specifications

• Rated voltage: 24...250 V DC.

• Continuous contact carry: 5 A.

• Make and carry for 3.0 s: 15 A.

• Make and carry for 0.5 s: 30 A.

• Breaking capacity (L/R < 40 ms): 1 A/0.25 A/0.15 A.

Operating Range and Power Consumption

• Operating range: ±20% of rated voltage.

• Current drain: 1.6...1.9 mA.

• Power consumption: 31.0...570.0 mW.

• Threshold voltage: 18...176 V DC.

• Reaction time: 3 ms.