SEL-551 Overcurrent Reclosing Relay

Description

Item is used, but is still in good condition. Item is surplus inventory recovered from a decommissioned plant.
This item was not tested for proper operation.
Major Features and Benefits
➤ Phase, ground, and negative-sequence overcurrent protection
➤ US and IEC time-overcurrent curves
➤ Multiple-shot reclosing relay with sequence coordination
➤ Enhanced SELOGIC® control equations to create traditional or advanced schemes
➤ Local/remote control logic to switch schemes, operate circuit breakers, etc.
➤ Sequential Events Recorder (SER) log and event reports stored in nonvolatile memory
➤ Hardware options for mounting, terminals, output contacts, and communications
➤ Demand ammetering
➤ Supports ASCII, SEL LMD, and Modbus RTU protocol