100 in stock
ABB RET620 Transformer Protection and Control Relay
ABB RET620 Transformer Protection and Control Relay
Brand/Manufacturer: ABB
Order Number: RET620
Type: Control Relay
Country of Origin: Sweden
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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In-stock & ready for fast delivery. Shipping policy.
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Description
The ABB RET620 is a high-performance protection and control relay designed specifically for power transformers and generator-transformer units. Part of the Relion® 620 series, it delivers a comprehensive set of functionalities for protection, control, measurement, and monitoring in substations and industrial distribution systems.
Key Features and Capabilities
• All-in-One Functionality
Integrates protection, control, measurement, and monitoring in a single compact device—streamlining system design and simplifying operation.
• Advanced Transformer Protection
Supports two-winding transformer protection with fast and secure differential protection featuring inrush restraint. Includes a range of protection features such as:
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High/low impedance restricted earth fault protection
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Overcurrent and undervoltage protection
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Overexcitation and thermal overload protection
• Automatic Voltage Regulation (AVR)
Optional AVR function supports on-load tap changer control.
• Arc Flash Protection
Available with optional integrated arc protection for enhanced safety.
• Flexible System Integration
Suitable for a wide range of transformer configurations (Y-Δ), with one or two circuit breakers, across single or double busbar systems.
• Extensive Communication Support
Supports multiple communication protocols for seamless integration into substation automation systems:
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IEC 61850 (Editions 1 and 2), including HSR/PRP redundancy, GOOSE messaging, and Sampled Values (IEC 61850-9-2)
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Modbus®
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DNP3
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IEC 60870-5-103
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Time synchronization via IEEE 1588 v2 PTP and other methods
• Intuitive User Interface
Equipped with a large LCD display and user-editable single-line diagrams. Operable via both local panel and web-based HMI.
• Pluggable Design
Facilitates easy installation, maintenance, and testing.
• Scalable I/O Options
Expandable I/O capacity through connection with ABB’s RIO600 remote I/O units.
• Configurable and Ready-to-Use
Ships with pre-engineered configurations and can be quickly tailored using ABB’s functional configuration tools.
Typical Applications
• Power Transformers (Two-Winding)
Provides comprehensive protection, including differential and thermal overload functions.
• Generator-Transformer Units
Safeguards the transformer component in generator-transformer assemblies.
• Industrial Distribution Systems
Delivers reliable transformer protection in demanding industrial environments.
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Why You Can Trust Us:
We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.
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Trusted by Global Clients
Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.
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Uptime Is Our Priority
Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.
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Experts in Sourcing Rare Parts
Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.
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One-Stop Automation Supply
We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.
Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson