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General| Brand | ABB |
|---|---|
| Model | REF601 |
| Category | Protection Device |
| Language | English |
Overview of the application manual's content and purpose.
Explains safety and information icons used throughout the manual.
Introduces the REF601/REJ601 feeder protection relay and its features.
Details the release history of different product versions and their updates.
Describes the pre-configured functions and overall operation of the relay.
General statement directing users to the product guide for detailed technical specifications.
Details the functionality, principle of operation, and settings for overcurrent protection.
Covers earth fault protection functionality, operational principles, and setting ranges.
Explains the auto-reclose function, its initialization logic, and operational control.
Describes the six output contacts and their configurable operating modes.
Introduces the local Human-Machine Interface (LHMI) elements and its usage.
Guides users through navigating the relay's menus and submenus via the LHMI.
Details how to access and modify protection and communication parameters via the LHMI.
Provides instructions for safely unpacking and checking the relay for transit damage.
Specifies the types of wires and cross-sections recommended for control and CT wiring.
Presents the connection diagrams for both conventional CT and sensor variants of the relay.
Explains proper earthing procedures and sensor cable shield bonding for reliable operation.
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