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Safety guidelines for handling CT circuits and external resistors.
Overview of the 7SR45 relay, its features, and capabilities.
Details on ordering options, functional and terminal diagrams.
Describes the relay's HMI including LCD, keypad, and LEDs.
Explains safety symbols, alerts, and parameter editing procedures.
How to view the relay's software version and build information.
Details instantaneous and time-delayed overcurrent protection elements.
Covers derived and measured earth fault protection elements.
Describes the SOTF function for high-speed tripping during energization.
Configuration of general alarms and procedures for resetting outputs and LEDs.
Details current inputs, binary I/O, and operational power modes.
Information on maintenance tasks like output testing and internal relay failure.
Overview of relay menus (Setting, Instrument, Fault Data) and UI operations.
Detailed steps for navigating and editing settings in the relay.
Viewing current values, binary input/output status, and battery profile.
How to view stored fault records and their details.
General technical specifications including product family, inputs, outputs.
Details on design, enclosure, and weight of the relay.
Results of electrical tests and environmental performance under various conditions.
Information on safety tests, IP ratings, and functional test results.
Step-by-step guide for installing the 7SR45 relay in a protection panel.
Instructions for replacing the relay's battery when damaged or exhausted.
Final steps after installation, including removing the battery strip.
Solutions for common problems like no power, password issues, communication.
Guidelines for selecting appropriate CTs for the 7SR45 relay based on impedance.