Eaton NRX Series Instruction Leaflet

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Eaton NRX Series Instruction Leaflet Manual pdf 1 page image

Instruction Leaflet IL019238EN Effective July 2019Section 1: General informationThis instructional leaflet is expressly intended tocover the Installation of a Power Xpert Release™(PXR™) trip unit kit into the Series NRX RF andNF power circuit breakers. These circuit breakersmay be supplied as part of complete switchboardassemblies or as separate components and asfixed and/or drawout products.UL 489: PD-RFIEC: PD-RF, IZMX40UL 489: PD-NF, Series NRX NFIEC: PD-NF, IZMX16UL 1066/ANSI: Series NRX NFInstructions noteThese instructions apply to Series NRX type RFand NF low-voltage power (air) circuit breakerswith PXR for the following application scenarios:1. Replacing a PXR 20 with a new PXR 20trip unit.2. Replacing a PXR 25 with a new PXR 25trip unit.3. Upgrading a PXR 20 to a PXR 25 trip unit.This manual does not cover replacing a Digitrip™trip unit with a PXR trip unit or changing a PXRtrip unit to a Digitrip trip unit.Series NRX breaker PXR trip unitfield installation instructionsContentsSection 1: General information . . . . . . . . . . . . . . .1Section 2: Trip unit replacement . . . . . . . . . . . . . .3Section 3: PXR 25 trip unit upgrade . . . . . . . . . . .6Section 4: Testing/quality check . . . . . . . . . . . . . . 10Appendix A: Label application details . . . . . . . . . 10

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