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General| Breaking Capacity | 65 kA |
|---|---|
| Mounting Type | Fixed |
| Standards Compliance | IEC 60947-2 |
| Mounting | Fixed |
| Rated Voltage | 690 V |
| Voltage | 690 V |
| Voltage Rating | 690 V |
Overview of protection functionality available in the PXR family trip units.
Details the electrical system information metered by the trip unit.
Explains the innovative algorithm for determining trip unit health status.
Details built-in communication features and protocols for trip units.
Explains how trip units allow full control of the breaker via I/O or communications.
Details status indicators, USB port, pickup indicators, and reset button.
Illustrates the PXR 25/20D display and keypad for configuration.
Explains the use of rotary switches for protection settings on PXR 20.
Details the simplified rotary switch configuration for PXR 10.
Describes the simplified rotary switch configuration for PXR 10 motor protection.
Details settings for long delay pickup (Ir) and time delay (tr).
Explains short delay pickup (Isd) and time delay (tsd) settings.
Describes the instantaneous pickup (li) setting for immediate tripping.
Covers ground fault detection, pickup, and time settings.
Addresses NEC requirements and UL standards for ground fault testing.
Covers overload, short circuit, and specific motor protection functions.
Explains the Arc Flash Reduction Maintenance System (ARMS).
Details the Zone Selective Interlocking (ZSI) function for selectivity.
Discusses operating temperature limits and over-temperature protection.
Describes the integrated Modbus RTU communication port and its usage.
Details the micro-B USB port for connecting to configuration software.
Explains the use of CAMs for connecting to field bus networks.
Provides a table of wire colors, short names, and notes for connections.
Details the requirements for auxiliary power to ensure full functionality.
Explains how general purpose relay contacts can be configured for functions.
Describes the module for measuring voltages in Y-connected systems.
Details how to view and edit set points using the PXPM configuration screen.
Explains software features for resetting units, changing time, and capturing waveforms.
Describes various built-in test modes like secondary injection and continuity.
Details PDF reports for configuration and test results generated by PXPM.
Details what data is captured and what triggers the capture for events.
Describes the algorithm for determining breaker health status.
References available counters and data for real-time monitoring.
Explains how to reset health counters using PXPM or the display.
Instructions for replacing the CR1216 coin-cell battery.
Details on changing the Electronic Trip Unit (ETU) in the field.
Schema for identifying trip unit catalog numbers and styles.
Provides comprehensive tables of available protection settings for various PXR models.
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