ABB REM620 Motor Protection and Control Relay Brand New

Product Description

The ABB REM620 is an advanced motor protection and control relay designed for medium- and large-sized asynchronous and synchronous motors. It delivers reliable protection, measurement, and supervision in demanding industrial environments. Moreover, its differential protection capabilities safeguard critical motors from internal faults, ensuring operational continuity. The REM620 integrates seamlessly into ABB’s substation automation solutions, supporting IEC 61850 communication standards for robust data exchange.

Its plug-in unit design enables fast installation and maintenance, while the large graphical display provides an intuitive view of motor status and single-line diagrams. In addition, users can access real-time monitoring via a web-based HMI or locally through the built-in interface. The device supports flexible bus and breaker configurations, making it adaptable to diverse plant layouts.

Functional Highlights

• Comprehensive Motor Protection: Covers overcurrent, earth-fault, thermal overload, under/overvoltage, under/overspeed, and breaker failure protection.
• Differential Protection: Safeguards critical motors against internal faults.
• Advanced Communication: Supports IEC 61850, Modbus, DNP3, and IEC 60870-5-103 protocols with redundancy via HSR and PRP.
• Flexible Installation: Single- or double-bus options with one or two breakers, accommodating various switchgear setups.
• User-Friendly Interface: Large LCD with editable single-line diagrams, intuitive HMI, and web access.
• Remote I/O Expansion: Compatible with ABB RIO600 modules for distributed control and monitoring.
• Industrial Reliability: Designed for continuous operation in harsh manufacturing, chemical, steel, and power industries.

Technical Specifications

Protection Functions

• Differential protection
• Overcurrent protection
• Earth-fault detection
• Thermal overload
• Under/overvoltage
• Under/overspeed
• Breaker failure

Supported Motors

• Medium and large asynchronous motors
• Synchronous motors

Communication Protocols

• IEC 61850 Editions 1 and 2
• IEC 61850-9-2 LE
• Modbus®
• DNP3
• IEC 60870-5-103

Redundant Ethernet Options

• PRP (Parallel Redundancy Protocol)
• HSR (High-availability Seamless Redundancy)

I/O Expansion

• Supports ABB RIO600 remote I/O modules

User Interface

• Large LCD with single-line diagram
• Local HMI access
• Web browser interface

Mounting Options

• Single-bus or double-bus
• Supports one or two breakers
• Multiple switching devices

Installation & Maintenance

• Plug-in unit for fast installation
• Simplified testing and configuration

Typical Applications

The REM620 is ideal for industrial applications requiring reliable motor protection and control. Common use cases include:

• Manufacturing plants with heavy-duty motors
• Chemical and process industries
• Steel production facilities
• Utility and power generation stations
• Critical motors requiring continuous supervision and differential protection

Support & Reliability

ABB provides comprehensive lifecycle services for REM620, including:

• Preventive maintenance and diagnostics
• Software and firmware updates
• Integration support for substation automation
• Technical guidance for optimal motor performance

FAQ

Q1: What types of motors can REM620 protect? A1: REM620 protects medium- and large-sized asynchronous and synchronous motors.

Q2: Does REM620 support differential protection? A2: Yes, it provides differential protection for critical motors and internal faults.

Q3: Which communication protocols are supported? A3: It supports IEC 61850 (Editions 1 & 2), IEC 61850-9-2 LE, Modbus, DNP3, and IEC 60870-5-103.

Q4: Can I expand I/O capabilities? A4: Yes, it supports ABB RIO600 remote I/O modules for distributed control and monitoring.

Q5: Is the relay suitable for harsh industrial environments? A5: Yes, REM620 is designed for continuous operation in steel, chemical, and power industries.