Relay Protection ABB

Relays-Online

Please select relay type to configure. Try out our simple step-by-step selection tool to find the right relay type for your needs.

Primary Protection Relays | ABB

ABB''s Relion family of protection and control relays for primary distribution offers a wide range of products for protection, control, measurement and supervision of power distribution systems for IEC

Electronic relays and controls | Products | ABB

ABB has the industry''s most comprehensive range of electronic timers, measuring and monitoring relays, interface relays and power supplies – helping customers source all their critical components

Protection relays

Numerical relays are based on the use of microprocessors. The first numerical relays were released in 1985. A big difference between conventional electromechanical and static relays is how the relays

Multiapplication protection and control

The modular design makes it easy to adapt to changing protection requirements for the lifetime of the device. Continuous access to new incrementally released functionality makes the devices future

Relion REX640 | ABB

ABB Relion REX640 is powerful, freely configurable all-in-one protection and control relay for primary distribution.

Electromechanical relays

ABB electromechanical relays have protected the power system for more than 100 years, and with the proper inspection, maintenance, and testing techniques, these relays can guard the power system

relays.protection-control.abb

ABB Relays-Online makes finding, selecting, ordering, and tracking of your next digital substation product order quick and easy. The modular e-business platform is the one place where you will find

Basic protection relay knowledge

A fast and selective arc fault mitigation for air-insulated LV & MV switchgear and Relion protection and control relays and sensor technology protect staff and plant facilities for many years.

Protection relays — ABB Group

The main purpose of protection relays is to observe the electrical grid and make protection decisions autonomously so that flow of electricity passes safely through the distribution network. ABB''s smart

Frequently Asked Questions

Need Industrial Ethernet Switches, PoE Switches or SD-WAN Appliances?

Prospettiva Cyber Systems delivers end-to-end network infrastructure: managed industrial switches, fiber routers, next-gen firewalls, and data center racks. Request a quote with your project specs – we serve Europe, Africa, and beyond.