ABB RET620 Transformer Protection and Control Relay

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ABB RET620 Transformer Protection and Control Relay

ABB RET620 Transformer Protection Relay – Advanced digital relay for transformer protection and control. IEC 61850 compliant, brand new, and OEM certified. Supplied by Evaflux Private Limited.

Description

Description

The ABB RET620 Transformer Protection and Control Relay is a next-generation digital relay engineered for comprehensive protection, control, measurement, and supervision of power transformers. Part of ABB’s Relion® 620 series, the RET620 is purpose-built to safeguard two-winding and three-winding power transformers in utility substations and industrial power distribution systems.

Designed with IEC 61850 compliance, the RET620 combines proven protection functions with modern communication capabilities, making it a critical element of smart grid and substation automation systems. With advanced features such as differential protection, overcurrent, voltage protection, and on-load tap changer (OLTC) monitoring, the RET620 ensures high-speed fault detection and system reliability, even under the most demanding electrical conditions.

Now available from Evaflux Private Limited, the ABB RET620 relay is brand new, high-quality, and ready to deploy in modern electrical networks that demand safety, performance, and digital readiness.


🔧 Key Features of ABB RET620 Transformer Protection Relay

  • Complete Transformer Protection
    Provides differential protection (87T), restricted earth fault (REF), overcurrent (50/51), voltage protection, and thermal overload protection.

  • 📶 IEC 61850 Compliant
    Fully supports substation communication standards with GOOSE messaging and MMS reporting.

  • ⚙️ Built-In Control Functions
    Includes breaker control, disconnector control, and interlocking logic for comprehensive transformer bay control.

  • 🧠 Intelligent Monitoring
    On-load tap changer (OLTC) monitoring, temperature supervision, and real-time diagnostics to optimize asset performance.

  • 💻 Advanced User Interface
    Graphical display with local HMI, customizable LEDs, and web-based remote access for efficient commissioning and operation.

  • 🔧 Plug-and-Play Design
    Compact, pre-configured for fast installation and commissioning — reduces engineering time and effort.

  • 🛡️ Rugged Industrial Construction
    Designed for harsh substation environments with high EMC immunity, temperature tolerance, and mechanical durability.

  • 🔌 Flexible Communication Protocols
    Supports IEC 61850, Modbus, DNP3, IEC 60870-5-103, and SPA for integration into existing and new SCADA systems.


🏭 Applications of ABB RET620

The ABB RET620 is suitable for:

  • Power Utility Substations

  • Industrial Electrical Networks

  • Renewable Energy Plants

  • Oil & Gas Facilities

  • Mining & Metal Processing

  • Chemical and Pulp Industries

  • Data Centers and Large Campuses


🛒 Why Choose Evaflux Private Limited?

At Evaflux Private Limited, we specialize in genuine ABB protection relays and automation systems, offering products like the RET620 with full OEM warranty, expert technical support, and rapid delivery across India and abroad.

Whether you’re modernizing your grid or installing a new transformer bay, we ensure that ABB’s proven protection technology is delivered with industry-leading service and support.


📞 Contact Information

Evaflux Private Limited
📞 Phone: +91 7303573946
📧 Email: support@evaflux.com

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