Product Description

ABB PROTECTION AND CONTROL REX640 NUMERICAL RELAY

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 Relion protection and control family of relays, REX640 further reinforces Relion 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