Schweitzer Engineering Laboratories SEL-787-2 - User Manual

Schweitzer Engineering Laboratories, Inc. SEL-787-2, -3, -4 Data Sheet
As Many as Four-Terminal Differential and REF Protection
New Features
➤ Disconnect control from the Bay Screens application.
➤ Three-position disconnects for increased safety.
➤ A built-in web server that simplifies access to relay data and supports firmware upgrade.
➤ Faster firmware downloads via the Ethernet port.
➤ IEEE 1588-2008 firmware-based Precision Time Protocol (PTP) provides ease of integration.
➤ EtherNet/IP provides ease of integration for industrial automation applications.
➤ IEC 61850 Test Mode support with standard operating modes On, Blocked, Test, Test/Blocked, and Off for easy
commissioning.
SEL-787-2, -3, -4 Transformer
Protection Relays

Schweitzer Engineering Laboratories SEL-787-2 Specifications