Skip to content

What are you looking for?


You may also like

ABB REB 500 | Distributed Busbar Protection Relay | Relion SeriesABB REB 500 | Distributed Busbar Protection Relay | Relion SeriesABB REB 500 | Distributed Busbar Protection Relay | Relion Series
ABB REB 500 | Distributed Busbar Protection Relay | Relion Series
ABB REB 500 | Distributed Busbar Protection Relay | Relion Series
ABB REB 500 | Distributed Busbar Protection Relay | Relion Series

ABB REB 500 | Distributed Busbar Protection Relay | Relion Series


Only 10 left - Selling fast

PRODUCT SKU : REB500

PRODUCT TYPE : Busbar Protection Relay

PRODUCT VENDOR : ABB


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Product Description

The ABB REB 500 is a distributed busbar protection relay engineered for medium, high, and extra-high voltage substations. As part of the Relion® product family, it delivers fast, selective, and reliable busbar protection while integrating control and monitoring functions. Its modular architecture supports a wide range of configurations, making it suitable for complex grid applications where scalability and precision are critical.

Technical Specifications

  • Model: REB 500

  • Type: Distributed Busbar Protection Relay

  • Weight: 2.04 kg

  • Busbar Zones: Up to 32 zones supported

  • Bay Capacity: Configurable from 2 to 60 bays

  • Nominal Frequencies: 50 Hz / 60 Hz

  • Operating Temperature: -25°C to +70°C

  • Protection Principles: Low-impedance protection, stabilized differential current, directional current comparison

  • Brand: ABB

  • Compliance: IEC standards for EMC and safety, RoHS compliant

Functional Highlights

  • Scalability: Flexible design supporting small to large substation configurations

  • Advanced Algorithms: Reliable operation even under heavy CT saturation during external faults

  • High-Speed Protection: Ensures rapid fault isolation to minimize system disruption

  • Environmental Resilience: Wide operating temperature range for harsh industrial conditions

  • Integration: Compatible with modern substation automation systems

Application Scenarios

  • Busbar protection in medium-voltage substations

  • High-voltage and extra-high voltage transmission substations

  • Complex grid installations requiring selective and distributed protection

FAQ

Q: How many busbar zones can the REB500 manage?  A: It supports up to 32 busbar zones.

Q: What is the maximum bay capacity?  A: The relay can be configured for 2 to 60 bays.

Q: How does the REB500 handle CT saturation?  A: It uses stabilized differential current algorithms to maintain reliability during external faults.

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.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
Main Components of a SCADA System in Industrial Automation

Main Components of a SCADA System in Industrial Automation

Discover the key components of a SCADA system and how sensors, RTUs, master units, and communication networks integrate to monitor and control industrial processes in real time.

Read more
Key Functions of a SCADA System in Industrial Automation

Key Functions of a SCADA System in Industrial Automation

Explore the four core functions of SCADA—data acquisition, communication, visualization, and control—and understand how this system powers industrial automation, process optimization, and remote supervision.

Read more
Instrumentation Earthing in Industrial Automation Systems

Instrumentation Earthing in Industrial Automation Systems

In industrial automation, earthing provides a safe, low-resistance path for electrical fault currents. It protects both equipment and personnel by diverting excessive current directly into the ground. Proper earthing is fundamental to PLC, DCS, and control system reliability, ensuring stable operation even under fault conditions.

Read more