REB650 offers an optimum ‘off-the-shelf’ ready-made solution for applications requiring high impedance differential protection. The type tested REB650 is delivered equipped and configured with complete protection functionality, and with default parameters for easy handling of the product – from ordering, engineering and commissioning to reliable operation.
The REB650 IED continues Hitachi Energy's strong track record in high impedance differential busbar protection applications, starting from analog relay RADHA and other similar relays from previous generations. To date, these relays have been successfully serving utilities for over 50 years.