Eaton Power Xpert PXR 20D User Manual

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MN012007EN
PXR TRIP UNITS FOR POWER DEFENSE MOLDED CASE CIRCUIT BREAKERS MN012007EN March 2019 www.eaton.com
Contents
1. INTRODUCTION TO THE POWER XPERT
®
RELEASE TRIP UNIT ...........1
1.1 Protection settings overview .........................................1
1.2 Metering features ..................................................4
1.3 Health monitor ....................................................5
1.4 Communication features .............................................5
1.5 Control features ....................................................5
2 PXR USER INTERFACE ............................................6
2.1 Key interface elements .............................................6
2.2 PXR 25, PXR 25 Motor Protection, and 20D display with keypad .............8
2.3 PXR 20 with rotary switches .........................................9
2.4 PXR 10 simplified rotary switches ....................................9
2.5 PXR 10 motor protection simplified rotary switches ......................10
3 LINE PROTECTION SETTING DESCRIPTION ..........................10
3.1 Long delay pickup and time setting ...................................10
3.2 Short delay pickup and time settings ..................................11
3.3 Instantaneous pickup setting ........................................11
3.4 Ground fault settings ..............................................11
3.5 Motor Protection settings description .................................13
3.6 Maintenance Mode protection (ARMS) ................................15
3.7 Override ........................................................16
3.8 Zone selective interlocking (ZSI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.9 Operating temperature .............................................17
4 COMMUNICATION FUNCTIONALITY ...............................17
4.1 Integrated Modbus - remote terminal unit (RTU) .........................17
4.2 USB port ........................................................18
4.3 External communications adapter modules (CAMs) ......................18
5 EXTERNAL WIRING OF THE TRIP UNIT ..............................19
5.1 Wiring table .....................................................19
5.2 Auxiliary power ...................................................19
5.3 General purpose relay mapping ......................................20
5.4 Neutral voltage sensor .............................................21
6 POWER XPERT
®
PROTECTION MANAGER - CONFIGURATION SOFTWARE 22
6.1 Set point configuration through PXPM ................................22
6.2 Remote control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
6.3 Testing the breaker and trip unit ......................................25
6.4 Record keeping ..................................................27
7 EVENT, ALARM, AND TRIP RECORDING WITH WAVEFORM CAPTURE ....28
7.1 Trigger and data log matrix ..........................................29

Eaton Power Xpert PXR 20D Specifications

General

Brand	Eaton
Model	Power Xpert PXR 20D
Category	Circuit breakers
Language	English