Product Details
Product Description
The ABB REU610 voltage relay is a compact and reliable solution for monitoring, measuring, and protecting electrical systems. It integrates advanced supervision functions with disturbance recording and a clear operator interface, making it suitable for a wide range of industrial and utility applications.
Key Features
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Inputs
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Four energizing inputs for phase-to-phase voltage and residual voltage measurement
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Two standard digital inputs with three optional extensions
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Supports both phase-to-phase and phase-to-earth voltage monitoring
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Outputs
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Three power output contacts (PO1, PO2, PO3) with optional latch configuration
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Two standard signal outputs (SO1, SO2) plus three optional outputs (SO3–SO5)
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Eight switchgroups (SGR1–SGR8) for routing internal and external trip signals
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Configurable minimum pulse length of 40 ms or 80 ms
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Disturbance Recording
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Records instantaneous values and RMS curves
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Logs up to eight user-selectable digital signals
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Triggering available on rising or falling edges of digital inputs
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Front Panel & Interface
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Alphanumeric LCD display (2 × 16 characters) with backlight and automatic contrast control
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Three fixed LED indicators (green, yellow, red) and eight programmable red LEDs
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User-friendly navigation with arrow keys, clear/cancel, and enter buttons
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Optically isolated serial communication port with activity LED
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Two-level password protection for settings and communication security
Application Scenarios
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Voltage protection in medium-voltage substations
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Monitoring and supervision in industrial power distribution systems
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Integration into automation schemes requiring disturbance recording
FAQ
Q: Can the REU610 record both analog and digital signals? A: Yes, it records RMS curves and instantaneous values along with up to eight digital signals.
Q: Is the relay suitable for phase-to-earth voltage measurement? A: While primarily designed for phase-to-phase measurement, it also supports phase-to-earth voltage monitoring.
Q: How secure is the device against unauthorized access? A: It features two levels of password protection for both settings and communication.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.