SEL-387E

Overview

Documentation

Support

Documentation

Instruction Manual

SEL-387E Current Differential and Voltage Relay

Data Sheet

SEL-387E Current Differential and Voltage Protection Relay

Flyer

SEL-387E Current Differential and Voltage Relay

Application Guides

Defining DCE and DTE: Null Modem Cable and Straight-Through Cable Applications
Differential Protection of Transformers With an In-Zone Grounding Bank on the Delta Side
Introduction to SEL Relays for New Users
Maintaining Switched-Mode Relay Responsiveness in an RSTP Network
SEL Fiber-Optic Device Compatibility Guide
Selecting Transformer Compensation Settings for the SEL-387, SEL-487E, and SEL-787 Relays
Troubleshooting Transformer Relay Installations With Synchrowave Event

Case Studies

RTD Enhances Protection and Reduces Maintenance at Vital Dam and Hydroelectric Power Plant

Certificates

IEC 61850 Conformance and Interoperability Statement - SEL-387E Current Differential and Voltage Relay
IEC 61850 KEMA Conformance Certificate - SEL-387E
Model Implementation Conformance Statement for the IEC 61850 interface in SEL-387E
Protocol Implementation Conformance Statement for the IEC 61850 interface in SEL-387E
Protocol Implementation eXtra Information for Testing (PIXIT) for the IEC 61850 interface in the SEL-387E
TISSUES Implementation Conformance Statement for the IEC 61850 interface in the SEL-387E

Data Sheets

SEL-387E Current Differential and Voltage Protection Relay

Flyers

Conformal Coating
SEL-387E Current Differential and Voltage Relay
SEL-9220 Fiber-Optic Adapter for SEL-300 Series Relays

Guideform Specifications

SEL-387E Current Differential and Voltage Relay
SEL-387E Current Differential and Voltage Relay

Instruction Manuals

SEL-387E Current Differential and Voltage Relay

Ordering Information

SEL-387E Connectorized Relay
SEL-387E Relay
Wiring Harness for Connectorized SEL-387E

PDF

SEL-387E Panel Drawing

Settings Sheets

SEL-387E Settings Sheets

Technical Papers

A Call to Action: Say YES to Restricted Earth Fault Protection
Getting the Lines Crossed—How a Three-Phase Series Fault Caused a Sequence of Relay Operations
Work Smarter, Not Harder: Using Software Tools to Diagnose REF Installation Errors