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General| Rated Current (In) | 16 A |
|---|---|
| Tripping Characteristic | S |
| Rated Short-Circuit Breaking Capacity (Icu) | 6 kA |
| Mounting Type | DIN rail |
| Rated Voltage | 230/400 V AC |
| Breaking Capacity | 6 kA |
| Number of Poles | 2 |
| Mounting | DIN rail |
| Rated Operational Voltage | 230 V AC |
| Standards | IEC/EN |
Outlines preparatory operations and checks before commissioning the circuit-breaker.
Explains manual and electrical methods for operating the circuit-breaker, referencing Figures 25-27.
Details the process of inserting and removing the circuit-breaker from its compartment, referencing Figures 28 and 29.
Covers essential safety precautions and general maintenance guidelines before starting work.
Details the scheduled maintenance program and preliminary operations required.
Guides on inspecting the circuit-breaker and checking/adjusting contact wear.
Provides a table of possible causes and remedies for various operating anomalies.
Introduces the PR121, PR122, and PR123 releases and their key features.
Covers essential safety information and limitations on dielectric stiffness tests.
Explains how the PR121/P is powered, including self-supply and auxiliary options.
Details the available protection functions and the unit's measuring capabilities.
Covers initial setup, trip tests, and how to modify protection settings.
Explains powering options and environmental conditions for the PR122/P.
Explains zone selectivity for 'S' and the 'MCR' protection function.
Details earth fault types, phase unbalance, and overtemperature protection.
Covers connection procedures, VT wiring, and initial tests for the PR122/P.
Provides tables listing error and warning messages displayed by the unit.
Covers unit description, available protections, and electrical ratings.
Details binary inputs/outputs and the 15 available protection functions.
Explains measurement capabilities, RMS calculation, and frequency/harmonic monitoring.
Details 'L' and 'S' protections, including thermal memory and start-up thresholds.
Explains the 'I', 'G' (earth fault), and 'Iinst' protection functions.
Explains zone selectivity for 'S' and the directional protection 'D' function.
Details start-up threshold and zone selectivity for directional protection.
Explains 'I' (instantaneous short-circuit) and 'MCR' (closing on short-circuit) protections.
Details earth fault types, phase unbalance, and overtemperature protection.
Describes load control and voltage-based protections (UV, OV, RV, U).
Covers connection procedures, VT wiring, and initial tests for the PR123/P.
Details initial settings, password management, and procedures for replacing the release.
Describes the display, icons, pushbuttons, and how to navigate menus.
Details how to change parameters, including date, protection curves, password, and system settings.
Provides a general layout showing how to access the main menu pages.
Guides on accessing protection menus and explains the parameter/function table.
Details the settings menu, password protection, and key configurable values.
Describes the test menu, CB status, and available tests.
Details the meaning of various LED signals and their patterns.
Describes electrical signals and provides tables for error and warning messages.
A table to help diagnose and resolve faults and malfunctions.
Instructions on how to report suspected faults to ABB SACE.
Covers enabling the data logger, setting sampling frequency, and stop events.
Introduces residual current protection and details available settings and thresholds.
Provides instructions for commissioning and testing the residual current protection function.
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