Manufacturer: Schweitzer Engineering Laboratories, Inc SEL
Categories: Relays
Name/Model: SEL-411L Line Differential Protection and Control System
Description: Apply the SEL-411L Relay for complete protection and control of any transmission line. The SEL-411L provides differential protection with both phase- and sequence-based operating elements for sensitivity and high-speed operation.
More Info
Contact Name: Brian Smyth
Contact E-mail:
Self Tested?: Yes
    Firmware Version: R120 (X506)
    Test Version: Rev 2.6 (2009)
    Date Tested: 2017-03-08
    Level Tested: Level 2
Independently Tested?: No
Record Last Modified: 2020-04-06 02:04:59 PM