ABB REF620E – Advanced Relay Protection Module for Industrial Automation
The ABB REF620E Relay Protection Module is engineered to deliver precise and reliable protection for power distribution networks in demanding industrial environments. This advanced relay module combines robust construction with cutting-edge communication interfaces to ensure seamless integration and optimal performance in critical electrical systems.


Key Features
- Wide Voltage Range: Supports up to 240V for versatile power distribution applications.
- High Current Capacity: Rated up to 63A to handle demanding electrical loads.
- Dual Communication Protocols: Integrated Modbus and Profibus interfaces for seamless network integration.
- Robust Design: Class 1 protection and IEC-certified surge immunity (IEC 61000-4-5/6) ensure reliability in harsh conditions.
- Compact Footprint: Space-saving 200mm x 150mm x 75mm dimensions with lightweight 2.5 kg design for easy installation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | ABB REF620E |
| Power Requirements | 240V AC, 50/60 Hz |
| Current Rating | Up to 63A |
| Communication Interfaces | Modbus, Profibus |
| Environmental Rating | IEC 61000-4-5 (surge), IEC 61000-4-6 (EMI) |
Application Fields
The ABB REF620E excels in industrial automation systems requiring precision protection, including:
- Power generation and distribution substations
- Heavy manufacturing and process industries
- Petrochemical and offshore energy facilities
- Smart grid infrastructure and renewable energy systems
Its adaptive protection algorithms and industrial-grade construction make it ideal for safeguarding motors, transformers, and critical electrical assets against overcurrent, short circuits, and voltage transients.
Our Product Portfolio
We specialize in premium industrial control solutions from leading brands, including:
- ABB: DSQC robot parts, PM866, AC800PEC controllers
- GE Fanuc: VMIVME-7807 modules, IS200/IS215 series
- Bently Nevada: 3500/44 vibration monitoring systems
- Triconex: 3008/3703 safety controllers
- Foxboro: FCP270/FCP280 controllers, FBM200 modules
Contact our technical team for customized solutions across power, process, and automation industries.



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