The REF620 is a dedicated feeder management relay providing protection, control, measurement, and supervision in utility and industrial power distribution systems. It is suitable for radial, looped, and meshed networks, with or without distributed power generation.
Scope: The REF620 offers protection for medium voltage substation incoming and outgoing feeders.
Key Benefits:
Comprehensive protection and control functionality, adaptable to sensors or conventional instrument transformers.
Functional scalability, allowing easy customization to application-specific requirements.
Withdrawable plug-in unit design facilitates swift installation and testing.
Large graphical display for customizable Single Line Diagrams (SLDs), accessible locally or via an intuitive web-browser-based HMI.
Extensive life-cycle services.
Key Features:
Wide range of protection and control functionalities for both incoming and outgoing feeders.
Extensive earth-fault protection portfolio, featuring unique multifrequency admittance-based protection for improved sensitivity and selectivity.
Optional functionality packages including advanced fault location, interconnection protection for distributed power generation, capacitor bank protection, basic motor protection, and arc protection.
Supports native IEC 61850 Editions 1 and 2, redundancy with HSR and PRP, GOOSE messaging, and IEC 61850-9-2 LE for streamlined communication.
Compatible with Modbus, DNP3, and IEC 60870-5-103 communication protocols, and various time synchronization methods including IEEE 1588 V2 Precision Time Protocol for high-accuracy synchronization.
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
