Eaton NRX Series Instruction Leaflet
Also see for Series NRX: InstallationInstallation instructionsInstruction leafletInstruction leafletInstruction leaflet
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Effective June 2014IL0131065ENH01Instructional Leaflet IL0131065ENInstallation/Removal Instructionsfor Series NRX Drawout SecondaryTerminal Block Alignment BracketWARNING(1) ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD BE PERMITTED TOWORK ON THE EQUIPMENT.(2) ALWAYS DE-ENERGIZE PRIMARY AND SECONDARY CIRCUITS IF ACIRCUIT BREAKER CANNOT BE REMOVED TO A SAFE WORK LOCATION.(3) DRAWOUT CIRCUIT BREAKERS SHOULD BE LEVERED (RACKED) OUT TOTHE DISCONNECT POSITION.(4) ALL CIRCUIT BREAKERS SHOULD BE SWITCHED TO THE OFF POSITIONAND MECHANISM SPRINGS DISCHARGED. FAILURE TO FOLLOW THESESTEPS FOR ALL PROCEDURES DESCRIBED IN THIS INSTRUCTION LEAFLETCOULD RESULT IN DEATH, BODILY INJURY, OR PROPERTY DAMAGE.WARNINGTHE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCT LABELSHAVE TO BE FOLLOWED. OBSERVE THE FIVE SAFETY RULES:– DISCONNECTING– ENSURE THAT DEVICES CANNOT BEACCIDENTALLY RESTARTED– VERIFY ISOLATION FROM THE SUPPLY– EARTHING AND SHORT-CIRCUITING– COVERING OR PROVIDING BARRIERS TOADJACENT LIVE PARTSDISCONNECT THE EQUIPMENT FROM THE SUPPLY. USE ONLYAUTHORIZED SPARE PARTS IN THE REPAIR OF THE EQUIPMENT. THESPECIFIED MAINTENANCE INTERVALS AS WELL AS THE INSTRUCTIONSFOR REPAIR AND EXCHANGE MUST BE STRICTLY ADHERED TO PREVENTINJURY TO PERSONNEL AND DAMAGE TO THE SWITCHBOARD.Section 1: Removal and InstallationAnd Removal of Drawout Terminal BlockAlignment BracketIMPORTANTKEEP IN MIND THAT SECONDARY TERMINAL BLOCKS ASSOCIATEDWITH DRAWOUT CIRCUIT BREAKERS ARE DIN RAIL MOUNTED ONTHE BREAKER’S DRAWOUT CASSETTE (FIGURE 11). ACCESSORYSECONDARY PLUGS PLUG INTO A SECONDARY PLUG HOUSINGMOUNTED ON THE TOP FRONT OF THE CIRCUIT BREAKER (FIGURE 12).AS SUCH, SECONDARY CONNECTIONS ARE AUTOMATICALLY MADEOR DISCONNECTED DURING THE LEVERING (RACKING) PROCESS ASTHE SECONDARY PLUG HOUSING ON THE BREAKER ENGAGES ORDISENGAGES THE SECONDARY TERMINAL BLOCKS MOUNTED ON THEDRAWOUT CASSETTE. FOR THIS REASON, ACCESSORY SECONDARYPLUGS DO NOT HAVE TO BE UNPLUGGED TO ADD OR REMOVETERMINAL BLOCKS. REFER TO FIGURES 3 AND 4 OF SECTION 1 ANDTHE ASSOCIATED COPY FOR ASSISTANCE WITH CONNECTING ORDISCONNECTING ACCESSORY SECONDARY PLUGS.Note:N Many illustrations use the NF Frame cassette forillustrative purposes only. The RF Frame cassette is handled ina similar fashion.Figurt 1. Casstoot-MNunotd Ttrminal BlNcks NF FramtInstructions apply to:1600 NRX SUB-TITLE IMAGE (12/15/2010)Strits NRX, Typt NF FramtANSI, UL1066, UL489/IEC, IZMX16, IZM91Strits NRX, Typt RF FramtIEC, IZMX404000 NRX RF DRAWOUT SUBTITLE IMAGE (12/15/2010) |
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