ABB RET620 Transformer Protection and Control

 Product Description

RET620 is a dedicated transformer management relay for the protection, control, measurement and supervision of both power and step-up transformers, including power generator-transformer blocks, in utility and industrial power distribution systems. RET620 is also ideal for voltage regulation.

The ABB RET620 Transformer Protection and Control relay is a high-level protection and control system for medium voltage installation transformers. The relay is equipped with state-of-the-art protection algorithms and functionality to ensure safe and efficient transformer operation. The RET620 offers high-performance, dependable protection, monitoring, and control functionality, and is highly suitable for application in power distribution systems, industrial plants, and substations.

Technical Specifications

• Part Number: RET620
• Function: Transformer Protection and Control Relay
• Input Voltage: 110/220V AC/DC
• Frequency Range: 50/60 Hz
• Protection Functions:
  • Differential Protection (87T)
  • Overcurrent Protection (50/51)
  • Earth Fault Protection (50N/51N)
  • Overvoltage/Undervoltage Protection (27/59)
  • Thermal Overload Protection (49)
  • Fault Recorder
  • Tap Changer Control
  • Fault Detection Algorithms
• Communication Protocols:
  • IEC 61850
  • Modbus RTU
  • DNP3
• Operating Temperature: -20°C to +60°C
• Dimensions: 192 mm (W) x 186 mm (H) x 230 mm (D)
• Mounting: DIN rail or panel mounting options
• Environmental Protection: IP40 (front), IP20 (terminals)
• Display: 128x64 LCD display for monitoring and configuration
• Power Supply: 24V DC or 110/220V AC
• Auxiliary Relays: 6 configurable auxiliary relays
• Inputs/Outputs:
  • 6 analog inputs (current/voltage)
  • 6 digital inputs
  • 4 digital outputs
  • 2 configurable relay outputs
• Self-Testing: Built-in self-diagnostic functions to ensure the relay is operating correctly
• Event Log: Stores up to 500 events with timestamps for easy fault analysis

Other Attributes

• Series: ABB Advant OCS
• Country of Origin:  Germany/Finland/Sweden
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of ABB

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TEL: +86 18030205725     E-MAIL: manskiwong@cambia.cn

Question 1: Is Our Price Competitive?

NEW-GEN 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?

We offer a standard one-year warranty for all new and original items.

Question 3: What Payment Methods Do We Accept?

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?

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?

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?

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?

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.