Eaton NRX Series Instruction Manual

Also see for Series NRX: Installation Installation instructions Instruction leaflet Instruction leaflet Instruction leaflet

Contents

3Section 1: IntroductionSeries NRX with PXR – Type NF Low Voltage Power (Air) Circuit Breaker Instruction Manual MN013001EN May 2015 www.eaton.comThe circuit breaker can be identified by a 20-digit catalog number located on the name plate (Figure 2) The drawout cassettecan be identified by a 14-digit catalog number (Figure 2a) An overview of the Catalog number code is provided for refer-enceFigure 2 Series NRX with PXR Catalog Numbering System (Continued on Next Page )Basic Device Selection Overcurrent Protection Breaker Options(Position 1-8) (Position 9-11) (Position 12-20)Positions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20Example N A S 6 1 6 3 W L N D A B A N 4 X N D X(Continued on Next Page)Position9 & 10Electronic Trip UnitSelectionProtection ZSI + COMM ARMSNo Protection - Switch DisconnectorSW NonePXR20LN High Load AlarmInstantaneous OverrideBreaker Health SummaryStandard CAMConnectionOptional Modbus RTU50/60HzLI ZSI --LM LI ZSI W/Modbus --2A LSI ZSI --2B LSI ZSI W/Modbus --2C LSIG+A ZSI --2D LSIG+A ZSI --2E LSIG+A ZSI ARMS2F LSIG+A ZSI W/Modbus ARMSPXR252P Advanced ProtectionMonitoring featuresCAM and Modbus RTUStandard50/60/400Hz capabilityLSI ZSI W/Modbus --2Q LSI ZSI W/Modbus ARMS2R LSIG+A ZSI W/Modbus --2S LSIG+A ZSI W/Modbus ARMS2T LSI ZSI W/Modbus --2V LSI ZSI W/Modbus ARMS2W LSIG+A ZSI W/Modbus --2X LSIG+A ZSI W/Modbus ARMSPosition 1 Breaker Frame SizeN Type NF 630 to 1600 APosition 2 Standard, Mechanism, DeviceQ UL 1066, Stored Energy, Power BreakerY UL 489, Stored Energy, Insulated case BreakerG IEC 60947-2 Stored Energy, Air Breaker - GlobalA IEC 60947-2, Stored Energy, Air Breaker - ChinaPosition 3, 4 Fault Current RatingS4 42 kA at 480 Vac UL or 415 Vac IECS5 65 kA at 480 Vac UL or 415 Vac IECS6 65 kA at 480 UL or 415 Vac IECPosition 5, 6 Frame Rating (Amps)07 630 (UEC Only)08 80010 1000 (UEC Only)13 1250 (UEC Only)16 1600 (On NF: IEC Only)Position 7 Poles, Phasing3 3-Pole, ABC4 4-Pole, NABCPosition 8 Mounting ConfigurationW DrawoutX Drawout – Optimized primary disconnectsZ Drawout , with 3 Form C Cell SwitchesY Drawout – Optimized primary disconnects, with 3 Form CCell SwitchesB Fixed Mount Rear Connect, Mounting Bracket, withSecondary TerminalR Fixed Mount Rear Connect, Surface Mount, with SecondaryTerminal RowT Fixed Mount Front Connect, Surface Mount, Cable Connect,with Secondary Terminal RowF Fixed Mount Front Connect, Mounting Bracket, Bus Connect,with Secondary Terminal RowS Fixed Mount Front Connect, Surface Mount, Bus Connect,with Secondary Terminal Row