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
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Model: REB 500
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Type: Distributed Busbar Protection Relay
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Weight: 2.04 kg
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Busbar Zones: Up to 32 zones supported
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Bay Capacity: Configurable from 2 to 60 bays
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Nominal Frequencies: 50 Hz / 60 Hz
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Operating Temperature: -25°C to +70°C
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Protection Principles: Low-impedance protection, stabilized differential current, directional current comparison
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Brand: ABB
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Compliance: IEC standards for EMC and safety, RoHS compliant
Functional Highlights
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Scalability: Flexible design supporting small to large substation configurations
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Advanced Algorithms: Reliable operation even under heavy CT saturation during external faults
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High-Speed Protection: Ensures rapid fault isolation to minimize system disruption
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Environmental Resilience: Wide operating temperature range for harsh industrial conditions
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Integration: Compatible with modern substation automation systems
Application Scenarios
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Busbar protection in medium-voltage substations
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High-voltage and extra-high voltage transmission substations
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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.
Tech & Buying Guide
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