American Power Conversion MX28B4800, MX28B2400 manual DC Bolt-in Circuit Breakers

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DC Bolt-in Circuit Breakers

Bolt in Breakers in a variety of sizes up to 700 Amps are available. Triple pole breakers are available in sizes ranging from 400-700 Amps. Double pole breakers are available in sizes ranging from 250-400 Amps. Single pole breakers are available in sizes ranging from 100-225 Amps. Small breakers (half the size of a single pole breaker) are available in sizes ranging from 1-100 Amps.

Two different panels are available for breaker mounting. AAB-0647 has cutout holes for 4 triple pole breakers. Each hole will accept one triple pole breaker, 1 double and one single pole breaker or 3 single pole breakers. AAB-0648 has cutout holes for 6 double pole breakers. Each hole will accept one double pole breaker or 2 single pole breakers. Each double breaker hole will accommodate 4 small breakers ranging in size from 1 to 100 Amps. See Figure 3.6-4 for details.

Figure 3.6-4 Bolt-in Circuit Breakers

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 PrecautionsIntroduction How to Use This ManualGeneral Information 1 MX28B-1200 -48 VDC Power Plant Rectifier Bay 2 MX28B Block Diagram Unpacking Equipment InstallationMechanical Installation Room / LocationPower Bus Connections Mounting2 MX28B-1200-2400 has a maximum Circuit Breaker/LVD Ribbon Cable Connections 5 Circuit Breaker / LVD Expansion BoardFuse Alarm Ribbon Cable Connections AC Power 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 InstallationCircuit Breaker Connections 1 to 50 Amps Load ConnectionsCable Size Considerations Circuit Breaker Connections 60-100 AmpsFront Panel DB9 Connection Monitoring and Relay Output ConnectionsGMT Fuse Connections Smart Cable DB9 ConnectionRJ45 Ethernet Connector Relay Output ConnectionsExternal Alarm Input Connections NO-NC-CRectifier Module Installation Battery Visual and Safety Inspection Commissioning and Preventive MaintenanceElectrical Installation Pre-Commissioning InspectionCommissioning AC Power UpInitial Set-up Rectifier Test DC Power UpBattery Power Up LVD TestUser Inputs Battery Temperature CompensationCircuit Breaker/ Fuse Test Output RelaysFinal Inspection Technical Description OperationRectifier Management System Voltage Control System ManagementSystem Output Capacity System CurrentBattery Charging and Protection Battery ManagementSystem Status and Alarm Reporting DC DistributionBattery/Load Low Voltage Disconnect Controls and IndicatorsFront Panel User Interface Status Alarms System Modules Batt PIN OEM Parameter Locations, Descriptions, and Default ValuesAddress Alarm ItemNo Alarms Switzer70.0 C Batt HT AlmBatt HT Thr Batt HV AlmCir Bkr 72 Almm+ Cir Bkr 1 Alm m+Major Comp HkneeHw Batt C Almm+ Fuse 1 AlmFuse 16 Alm Minor48.00 LVD ResetLVD Option LVD TripOut-Rly 6 Dly m+ Out-Rly 1 Dly m+Sec Relay MajorMRF28H54 DisableRect 1 Desc Rect 1ofN Almm+Sys LT Alm Sys HV AlmSys HV Thr 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 Front Panel LED Indicators Alarm Outputs Output RelaysSection External Alarm Inputs Input Relays Description Command and Monitoring ProtocolRemote Monitoring Physical ConnectionsEquipment Preventive MaintenanceSystem Visual and Safety Inspection InspectionSystem Voltage Test TestRectifier Current Test Battery Current Test Rectifier Alarm TestSystem Temperature Test Rectifier Current Share TestBattery Temperature Test Battery Preventive Maintenance ProcedureFinal Inspection 1MRF28H54BV Rectifiers SpecificationsAC Input 1MRF28H54BV50 RectifiersVDC RectifiersPower Shelf Control Unit Environmental MechanicalCompliance Toll Free APC Worldwide Customer SupportUS and Canada WorldwideLimited Product Warranty