Overview
The ABB REF620 is a compact feeder management relay designed to protect and control incoming and outgoing feeders in medium‑voltage substations.
It combines overcurrent, earth‑fault, and advanced protection functions with breaker control, monitoring, and communication capabilities.
As part of the Relion® family, the REF620 is optimized for IEC 61850 digital substations, offering scalable functionality and easy integration into modern grid automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Feeder Protection & Control Relay |
| Model Number | REF620 DIS0010 |
Key Features
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Integrated protection, control, and monitoring in one compact device.
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Advanced earth‑fault protection with high sensitivity and selectivity.
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Breaker control and supervision for single or double busbar configurations.
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IEC 61850 compliance with GOOSE messaging for fast peer‑to‑peer communication.
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Redundant Ethernet options (PRP, HSR, RSTP) for high reliability.
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Large LCD display with single‑line diagram for intuitive operation.
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Scalable I/O via ABB RIO600 remote units.
Typical Applications
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Utility substations: Protecting incoming and outgoing feeders.
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Industrial power distribution: Ensuring reliable feeder protection in plants.
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Renewable energy integration: Managing feeders in distributed generation networks.
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Smart grids: IEC 61850-based digital substations requiring fast communication.
FAQ
Q1: What is the primary function of the REF620 DIS0010?
A1: It protects, controls, and supervises medium‑voltage feeders in utility and industrial networks.
Q2: Which communication protocols are supported?
A2: It supports IEC 61850, Modbus®, DNP3, and IEC 60870‑5‑103.
Q3: Does it support redundancy?
A3: Yes, it offers PRP/HSR Ethernet redundancy and RSTP ring topology.
Q4: Can it be expanded for more I/O?
A4: Yes, via ABB RIO600 remote I/O units.
Q5: Where is it typically used?
A5: In substations, industrial plants, and smart grids requiring reliable feeder 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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