American Power Conversion MX28B4800, MX28B2400 manual 2 MX28B-1200-2400 has a maximum

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Figure 3.2-2 MX28B-1200-2400 has a maximum	Figure 3.2-3 The MX28B1200-4800 can be
capacity of 2400 Amps.	expanded to 4800 Amps.

Figure 3.2-4 Splice Plate Installation

MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual

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Contents VDC Power Systems Table of Contents Commissioning and Preventive Maintenance APC Worldwide Customer Support Limited Product Warranty Revision History Revision Date DescriptionSafety First General PrecautionsHow to Use This Manual IntroductionGeneral Information 1 MX28B-1200 -48 VDC Power Plant Rectifier Bay 2 MX28B Block Diagram Installation Mechanical InstallationUnpacking Equipment Room / LocationPower Bus Connections Mounting2 MX28B-1200-2400 has a maximum Circuit Breaker/LVD Ribbon Cable Connections 5 Circuit Breaker / LVD Expansion BoardAC Power Connections Fuse Alarm Ribbon Cable ConnectionsVentilation 1 AC Input Wiring Battery Connections Planning the Battery InstallationConnecting the Battery Cables 1 Battery Cable Connection Locations2 Battery Probe Connection DC System GroundingDC Power Output Over-Current Protection DC Plug-in Circuit BreakersBreaker Part Number Rating 2 Plug-in Circuit Breakers DC Bolt-in Circuit Breakers 4 Bolt-in Circuit BreakersTelecom Fuses 5 Telecom FusesInstallation of Circuit Breakers and Fuses Plug-in Circuit Breaker InstallationBolt-in Circuit Breaker Installation 2 Circuit Breaker Alarm WiringTelecom Fuse Installation GMT Fuse InstallationLoad Connections Cable Size ConsiderationsCircuit Breaker Connections 1 to 50 Amps Circuit Breaker Connections 60-100 AmpsMonitoring and Relay Output Connections GMT Fuse ConnectionsFront Panel DB9 Connection Smart Cable DB9 ConnectionRJ45 Ethernet Connector Relay Output ConnectionsExternal Alarm Input Connections NO-NC-CRectifier Module Installation Commissioning and Preventive Maintenance Electrical InstallationBattery Visual and Safety Inspection Pre-Commissioning InspectionAC Power Up CommissioningInitial Set-up DC Power Up Battery Power UpRectifier Test LVD TestBattery Temperature Compensation Circuit Breaker/ Fuse TestUser Inputs Output RelaysFinal Inspection Operation Technical DescriptionRectifier Management System Management System Output CapacitySystem Voltage Control System CurrentBattery Management System Status and Alarm ReportingBattery Charging and Protection DC DistributionControls and Indicators Battery/Load Low Voltage DisconnectFront Panel User Interface Status Alarms System Modules Batt PIN OEM Parameter Locations, Descriptions, and Default ValuesAlarm Item No AlarmsAddress SwitzerBatt HT Alm Batt HT Thr70.0 C Batt HV AlmCir Bkr 1 Alm m+ MajorCir Bkr 72 Almm+ Comp HkneeFuse 1 Alm Fuse 16 AlmHw Batt C Almm+ MinorLVD Reset LVD Option48.00 LVD TripOut-Rly 1 Dly m+ SecOut-Rly 6 Dly m+ Relay MajorDisable Rect 1 DescMRF28H54 Rect 1ofN Almm+Sys HV Alm Sys HV ThrSys LT Alm Sys LT ThrTime 90025SYS MS System Module SET-ALM Setup DA Control Unit Menu StructureV e l C o n d L e v e l I r d L e v e l U r t h L e v e l SYS Sysin Modrec AM Info Modfuse LM Alias Fuse MOD Modlvd Modlvd LM Param Alarm Outputs Output Relays Front Panel LED IndicatorsSection External Alarm Inputs Input Relays Command and Monitoring Protocol Remote MonitoringDescription Physical ConnectionsPreventive Maintenance System Visual and Safety InspectionEquipment InspectionTest System Voltage TestRectifier Current Test Rectifier Alarm Test System Temperature TestBattery Current Test Rectifier Current Share TestBattery Temperature Test Battery Preventive Maintenance ProcedureFinal Inspection Specifications AC Input1MRF28H54BV Rectifiers 1MRF28H54BV50 RectifiersVDC RectifiersPower Shelf Control Unit Mechanical EnvironmentalCompliance APC Worldwide Customer Support US and CanadaToll Free WorldwideLimited Product Warranty