ABB RET620 Transformer Protection and Control Relay

Overview

The ABB RET620 is a Transformer Protection and Control Relay designed to protect, monitor, and control transformers in both utility and industrial power distribution systems. It provides a comprehensive suite of protection, control, and measurement functions to ensure the safe and efficient operation of transformers, including generator-transformer blocks. The relay is highly scalable, part of ABB’s Relion® 620 product family, and features a flexible, withdrawable design.

Technical Specifications

Manufacturer: ABB
Model Number: RET620
Product Type: Transformer Protection and Control Relay
Rated Voltage: 100–240 V AC/DC
Current Transformer Inputs: 1 A or 5 A
Number of I/O Modules: Up to 12
Communication Interfaces: Ethernet, RS-485
Operating Temperature Range: -40°C to +70°C
Weight: 5 kg

Protection Functions:

Differential protection
Overcurrent protection
Earth fault protection
Over/undervoltage protection
Frequency protection
Thermal overload protection

About Us

✨ With 13 years of global supply experience, we bring you exceptional service.

🌍 We directly source authentic licensed products from abroad, ensuring competitive prices, reliable after-sale warranties, and an extensive selection of models backed by ample inventory.

💥 Contact us for orders of more than 1 product, and we’ll be delighted to offer you a discount.

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🛠️ Need spare parts? Let us know, and we’ll gladly assist you further. Your inquiry is eagerly awaited.

📧 Contact Us

E-mail: [email protected]

🕒 Business Hours: 24/7

🏢 Address: No.601, Hongwen Liuli, Siming District, Xiamen, China

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