Documentation

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Instruction Manual

SEL-387L Line Current Differential Relay

Data Sheet

SEL-387L Line Current Differential Relay

Flyer

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

Literature

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Literature

Flyers

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

SEL-9220 Fiber-Optic Adapter for SEL-300 Series Relays

Family of IEEE C37.94 - Improve Safety and Protect Equipment by Upgrading to Fiber-Optic Teleprotection Links

Data Sheets

SEL-387L Line Current Differential Relay

Instruction Manuals

SEL-387L Line Current Differential Relay

Ordering Information

Publications

Application Guides

Maintaining Switched-Mode Relay Responsiveness in an RSTP Network

Defining DCE and DTE: Null Modem Cable and Straight-Through Cable Applications

Applying the SEL-387L and SEL-311L to Protect a Two-Terminal Line With Different Current Transformer Ratios

Technical Papers

Getting the Lines Crossed—How a Three-Phase Series Fault Caused a Sequence of Relay Operations

Drawings