SEL-551

No longer in production

No longer in production

SEL-551

Overcurrent/Reclosing Relay

The SEL-551 Overcurrent/Reclosing Relay is no longer available for purchase. We recommend using the SEL-751 Feeder Protection Relay or the SEL-851 Feeder Protection Relay in its place. SEL will continue to support and warranty the SEL-551.SEL-551/551C, SEL-851, and SEL-751 Comparison

SEL-551 Details

Configuration

acSELerator QuickSet SEL-5030 Software

QuickSet is a tool for engineers and technicians to quickly and easily configure, commission, and manage power system devices. QuickSet includes a Graphical Logic Editor and a device template tool to reduce configuration time and streamline deployment. Learn more and download on the SEL-5030 software page.

Visualization & Analysis

SEL-5601-2 Synchrowave Event Software

Synchrowave Event helps engineers diagnose a protective relay’s behavior during a power system fault. It is a powerful and easy-to-use solution for displaying and analyzing SEL relay event reports and COMTRADE files. Learn more and download on the SEL-5601-2 software page.