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General| Poles | 1P, 2P, 3P, 4P |
|---|---|
| Rated Frequency (f) | 50/60 Hz |
| Standards | IEC 60898-1, IEC 60947-2 |
| Mounting Type | DIN rail |
| Tripping Curve | B |
| Type | E1B |
Details the process for installing the fixed part of withdrawable circuit-breakers.
Guidance on connecting the circuit-breaker to the main power circuit, including terminal shapes and busbar positioning.
Key checks and preparatory steps required before putting the circuit-breaker into service.
Details the manual and electrical procedures for closing and opening the circuit-breaker.
Explains the procedure for safely racking the circuit-breaker in and out of its position.
Important safety warnings and precautions to be observed before performing maintenance.
Provides step-by-step procedures for preliminary checks, general inspection, and contact wear checking.
Critical safety information and warnings related to the use and handling of protection releases.
Details the technical specifications of the PR121/P unit, including general, electrical, and environmental characteristics.
Provides essential steps for connecting, checking, and preparing the PR121/P unit for operation.
Offers solutions for common service conditions and hypothetical faults encountered with the PR121/P unit.
Details the technical specifications of the PR122/P unit, including general, electrical, and environmental characteristics.
Lists the eight independent protection functions provided by the PR122/P unit.
Guidance on making correct electrical connections for the PR122/P unit, including VT and current sensor connections.
Instructions for performing auto-tests and trip tests to verify the PR122/P unit's functionality.
Detailed procedures for installing and uninstalling electronic releases for the PR122/P unit.
Guides on navigating menus to change parameter values, including procedures requiring confirmation.
Details how to access and navigate the protection menus for configuring functions like L, S, and S2.
Access and use of the test menu for checking circuit-breaker status, auto-tests, and trip tests.
Explains the meaning of LED indicators (warning, alarm) for various operational states and faults.
Provides a comprehensive list of error and warning messages displayed by the unit.
Lists the 15 independent protection functions provided by the PR123/P unit.
Guidance on making correct electrical connections for the PR123/P unit, including VT and current sensor connections.
Instructions for performing auto-tests and trip tests to verify the PR123/P unit's functionality.
Detailed procedures for installing and uninstalling electronic releases for the PR123/P unit.
Guides on navigating menus to change parameter values, including procedures requiring confirmation.
Details how to access and navigate the protection menus for configuring functions like L, S, S2, and D.
Access and use of the test menu for checking circuit-breaker status, auto-tests, and trip tests.
Provides a comprehensive list of error and warning messages displayed by the unit.
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