SEL-387L

Overview

Documentation

Support

Configure and order

Documentation

Instruction Manual

SEL-387L Line Current Differential Relay

Data Sheet

SEL-387L Line Current Differential Relay

Flyer

SEL-387L - Superior Differential Protection. Zero Settings.

Application Guides

Applying the SEL-387L and SEL-311L to Protect a Two-Terminal Line With Different Current Transformer Ratios
Defining DCE and DTE: Null Modem Cable and Straight-Through Cable Applications
Maintaining Switched-Mode Relay Responsiveness in an RSTP Network

Data Sheets

SEL-387L Line Current Differential Relay

Flyers

Family of IEEE C37.94 - Improve Safety and Protect Equipment by Upgrading to Fiber-Optic Teleprotection Links
SEL-387L - Superior Differential Protection. Zero Settings.
SEL-9220 Fiber-Optic Adapter for SEL-300 Series Relays

Instruction Manuals

SEL-387L Line Current Differential Relay

Ordering Information

SEL-387L Relay

Technical Papers

Getting the Lines Crossed—How a Three-Phase Series Fault Caused a Sequence of Relay Operations
Locating Faults by Using Incremental Quantities: Introduction, Application Considerations, and Performance

White Papers

Time as a Threat Vector: Security Risks in Line Current Differential (87L) Protection Systems