Protection and control REX640
All-in-one protection for advanced power generation and distribution applications
REX640 is a powerful, all-in-one protection and control relay for advanced power generation and distribution applications. REX640 offers unmatched flexibility throughout its entire life cycle – from ordering through testing and commissioning, to upgrading the functionality of its modular software and hardware to meet new application requirements. As a member of ABB’s Relion® protection and control family of relays, REX640 further reinforces Relion’s position as the range of relays to rely on.
Scope
- All-in-one protection and control
Benefits
- Complete application coverage with one device for optimal flexibility and cost-effectiveness
- Ready-made application packages for convenient and smooth ordering
- Fully modular hardware and software for maximum flexibility throughout the entire relay life cycle
- Easy adaption to changing protection requirements
- Ready-made application-based LHMI pages – saving both time and efforts
- Increased situational awareness and optimal usability with application-driven LHMI
Features
- Freely configurable relay for flexible tailoring to application-specific requirements
- IEC 61850 Edition 1 and Edition 2 - certified by DNV/GL (KEMA) – with redundancy support based on HSR and PRP
- Ability to receive four streams of sampled measured values (SMVs) and send one via IEC 61850-9-2 LE-based process bus communication
- Synchronizer functionality for both generator and non-generator breakers
- Four supervised arc sensor inputs, either loop or lens-type
- Centralized account management with role-based access control
- Relative humidity in installation location up to 95%, non-condensing