Arcteq protection realys

Arcteq's AQ-200 and AQ-300 series of protection IEDs are developed to cover any application in transmission or distribution network protection and control. These high-performance product lines offer a variety of solutions for a variety of situations: line distance and differential protection, distributed or centralized busbar protection, machine protection and feeder protection.

https://www.arcteq.fi/applications/protection-relays/