Overview
The ABB REB611 is a modern busbar protection relay designed for single busbar applications in utility substations and industrial power systems. It provides fast fault detection and secure isolation, ensuring reliable operation of critical electrical infrastructure. Moreover, the relay integrates advanced communication protocols such as IEC 61850, enabling seamless interoperability with digital substations. In addition, the REB611 is delivered preconfigured and factory‑tested, reducing engineering time and simplifying commissioning.
This relay belongs to ABB’s Relion® 611 series, known for dependable protection and control solutions. Therefore, it is trusted by utilities and industries worldwide to safeguard busbars, transformers, and associated equipment against short‑circuits and earth‑faults.
Technical Data
| Parameter | Specification |
|---|---|
| Model | REB611 |
| Function | Busbar protection, control, supervision |
| Operating Temperature | -10 °C to +55 °C |
Typical Applications
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Protection of single busbars in utility substations where reliability is critical.
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Restricted earth-fault protection for transformers, motors, and reactors in industrial plants.
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Backup protection relay in multipurpose applications requiring dependable fault detection.
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Integration into digital substations with IEC 61850 communication and redundancy protocols.
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Retrofit projects replacing older electromechanical relays with modern numerical solutions.
FAQ
Q1: What is the ABB REB611 used for?
A1: It protects and supervises single busbars, ensuring fast fault detection and isolation.
Q2: Can REB611 be applied beyond busbar protection?
A2: Yes, it also provides restricted and residual earth-fault protection for transformers, motors, and reactors.
Q3: How does REB611 simplify commissioning?
A3: It is delivered preconfigured and factory-tested, reducing engineering effort and setup time.
Q4: What communication protocols are supported?
A4: REB611 supports IEC 61850 and redundancy protocols such as HSR and PRP for reliable communication.
Q5: Is REB611 part of a larger product family?
A5: Yes, it belongs to ABB’s Relion® 611 series, which includes relays for feeder, transformer, and motor protection.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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