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General| Rated Current | 20 A |
|---|---|
| Protection Type | Thermal-Magnetic |
| Amperage | 20 A |
| Poles | 3 |
| Number of Poles | 3 |
| Standards Compliance | IEC 60947-2 |
| Trip Unit | Thermal-magnetic |
| Standards | IEC 60947-2 |
Provides an overview of protection functionality available in the PXR family.
Details electrical system information metered by the trip unit.
Explains the innovative algorithm to determine trip unit health status.
Describes options for built-in communication capabilities.
Outlines the control capabilities for the circuit breaker.
Covers status indicators, USB port, reset, battery, and other controls.
Describes the user interface with display and keypad.
Details the long delay pickup and time settings for protection.
Explains the short delay pickup and time settings.
Describes the instantaneous pickup setting for protection.
Covers ground fault detection, pickup, time, sensing, and testing.
Details specific protection features for motor applications.
Explains the Arc Flash Reduction Maintenance System (ARMS).
Describes the override trip function that trips at withstand rating.
Explains the ZSI functionality for selective tripping.
Details the integrated Modbus RTU port for communication.
Describes the USB port for configuration, testing, and monitoring.
Explains CAMs for field bus connectivity.
Lists wire colors, short names, and notes for external connections.
Explains the benefits and requirements of auxiliary power.
Describes how to map general purpose relays to specific functions.
Details the neutral voltage sensor module and its function.
Details configuring trip units via the PXPM software.
Covers resetting trip units, changing time, and capturing waveforms.
Explains the available built-in test modes for verification.
Describes generating PDF reports for configuration and test results.
Explains event triggers and data logging for troubleshooting.
Explains the algorithm for determining health status.
Refers to available counters and data for health monitoring.
Details how to reset health counters and diagnostics data.
Details the procedure for replacing the trip unit battery.
Mentions the possibility of field replacement of the ETU.
Explains how to identify trip units by catalog numbers and style.
Directs users to tables detailing available protection settings.
Describes parameter viewing and setting via Modbus.
Details Modbus RTU protocol and communication options.
Covers various register maps like status, data, set points, and events.
Explains Modbus diagnostic functions for monitoring the port.
Lists possible error codes returned during Modbus communication.
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