Eaton Magnum PXR Technical Product Guide

iv
Table of contents
MAGNUM PXR PRODUCT GUIDE PA013006EN September 2022 www.eaton.com
3 PXR trip unit and communication modules (continued)
Measurement ............................................................ 35
Table of metering data in the PXR 20 and PXR 25 ............................. 35
Mechanical trip flag pop-out indicator ....................................... 36
Bell alarm/overcurrent trip switch (OTS) ..................................... 36
Making current release .................................................. 36
Fixed internal instantaneous override trip .................................... 36
Long time memory (LTM) ................................................ 36
Over temperature trip ................................................... 36
Arcflash reduction maintenance system ........................................ 37
Power Xpert Protection Manager software (PXPM) ............................... 38
4 Magnum PXR accessories
Overview ................................................................ 39
Plug-in electrical accessories ................................................. 39
Shunt trip (ST) ......................................................... 39
Spring release and latch check switch ....................................... 40
Undervoltage release ................................................... 41
Auiliary switch ......................................................... 42
Internal electrical accessories ................................................ 42
Mechanical trip flag pop-out indicator ....................................... 42
Overcurrent trip switch (bell alarm) ......................................... 43
Motor operator ........................................................ 43
Typical Magnum breaker control circuit diagram ............................... 44
Mechanical accessories ..................................................... 45
Operations counter ..................................................... 45
Off key lock ........................................................... 45
Cassette lock .......................................................... 45
Pushbutton and prevent close cover ........................................ 45
Lock-off cover ......................................................... 46
Cassette safety shutters ................................................. 46
Cassette cell switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Door escutcheon ....................................................... 47
IP55 waterproof cover ................................................... 47
Mechanical interlock .................................................... 47
Accessories and peripheral devices ........................................... 49
Levering tool .......................................................... 49
Motorized remote racking device (MR2) ..................................... 49
Magnum external remote racking device (MRR1000) ........................... 49
Universal remote power racking system (Type RPR-2) .......................... 50
Lifting yoke and floor lifting device ......................................... 50
Test cabinet ........................................................... 50
Auxiliary power module .................................................. 50
Secondary injection testing via PXPM ...................................... 51
Time delay undervoltage module .......................................... 52

Eaton Magnum PXR Specifications

General

Brand	Eaton
Model	Magnum PXR
Category	Circuit breakers
Language	English