ABB - All-in-one protection relay for advanced applications

REX640 is the outcome of a long-standing evolution and builds on ABB's strong heritage of freely configurable multifunctional relays.
REX640 covers the full range of utility and industrial applications and can manage multiple applications simultaneously. This guarantees flexible, versatile and cost-efficient protection solutions.
The fully modular design allows full customization freedom and unequalled flexibility in modification over the lifetime of the relay. REX640 is ready to adapt to changing protection requirements, anytime.
As a member of ABB's RelionĀ® protection and control family of relays, REX640 further reinforces Relion's decade-long position as the range of relays to rely on.

Relion advanced protection & control.
Protecting your electrical assets? today and tomorrow