Eaton Magnum PXR - Page 4

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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