Schweitzer Engineering SEL-551 Overcurrent and Reclosing Protection Relay Circuit Breaker and 13 environments when installed

and 13 environments when installed in appropriately rated enclosures

and an SD card slot for additional storage

The controller provides both Ethernet and RS-232 communication ports

Ideal for automation

and 1794-TB37DS

Schweitzer Engineering SEL-551 Overcurrent and Reclosing Protection Relay Circuit Breaker and 13 environments when installedDescription The Schweitzer Engineering SEL 551 is an overcurrent and reclosing relay designed to provide integrated feeder protection, monitoring, and control for electrical distribution systems. It combines multiple protective relay functions, control logic, and communication capabilities into a single compact device, reducing panel complexity and installation costs. The SEL 551 delivers dependable overcurrent protection, automatic reclosing, and