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ABB RET521 TRANSFORMER PROTECTION TERMINAL

SKU: RET521
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Technical specifications

  • Manufacturer: ABB

  • Condition：New with Original Package

  • Product Type: TRANSFORMER PROTECTION TERMINAL

  • Country of Origin: USA

  • Payment:T/T, Western Union

  • Shipping port: Xiamen

  • Warranty: 12 months

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100% Original and Authentic
100% Brand New, Ready to ship
Support Refund, 7X24h Service
1-Year Warranty on All Products

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 Description

The ABB RET521 Transformer Protection Terminal delivers precise and reliable protection for power transformers in industrial and utility applications. It continuously monitors transformer parameters and detects abnormal conditions to prevent equipment damage. Moreover, its modular design allows easy integration into existing substation automation systems. In addition, the terminal provides configurable protection functions and user-friendly interface, enabling engineers to optimize system performance efficiently.

Technical Specifications

Parameter Specification
Model RET521
Function Transformer Protection Terminal
Protection Functions Differential, Overcurrent, Earth Fault, Thermal, Voltage, Frequency
Input Voltage Up to 690 V AC
Current Input Up to 5 A / 1 A (CT secondary)
Communication Protocols IEC 61850, Modbus, DNP3
Relay Outputs 6 configurable digital outputs
Digital Inputs 6 configurable digital inputs
Operating Temperature –25°C to +55°C
Mounting Panel or DIN rail mount
Power Supply 24–48 V DC / 110–230 V AC options
Dimensions 144 × 144 × 130 mm
Certifications CE, IEC, UL, IEEE compliance

 

FAQ

Q1: What types of transformer protection does RET521 provide?
A1: It provides differential, overcurrent, earth fault, thermal, voltage, and frequency protection functions.

Q2: Which communication protocols are supported?
A2: The terminal supports IEC 61850, Modbus, and DNP3 for flexible system integration.

Q3: Can RET521 operate in harsh environments?
A3: Yes, it operates reliably between –25°C and +55°C with robust industrial design.

Q4: How many relay outputs and digital inputs are available?
A4: It features 6 configurable digital outputs and 6 configurable digital inputs.

Q5: What mounting options are available?
A5: RET521 can be mounted on panels or DIN rails, depending on installation requirements.

 

Other Attributes

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

 

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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.