Manuals / American Power Conversion / Computer Equipment / Power Supply

American Power Conversion MX28B4800 DC Bolt-in Circuit Breakers, 6-4 Bolt-in Circuit Breakers

Models: MX28B2400 MX28B4800

1 70

Page 22

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

Page 17

Page 22

Image 22

American Power Conversion MX28B4800, MX28B2400 manual DC Bolt-in Circuit Breakers, 6-4 Bolt-in Circuit Breakers

Contents

MX28B1200/2400 MX28B1200/4800 48 VDC POWER SYSTEMS User’s Manual Document # 990-1148ATable of Contents OPERATION 4 COMMISSIONING AND PREVENTIVE MAINTENANCEREMOTE MONITORING LIMITED PRODUCT WARRANTY PREVENTIVE MAINTENANCESPECIFICATIONS 9 APC WORLDWIDE CUSTOMER SUPPORTDate Revision HistoryRevision Description1.1. Warning Symbols 1 Safety First1.2. General Precautions 2 Introduction 2.2. How to Use This Manual2.1. General Information MX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual Figure 2.2-1 MX28B-1200 -48 VDC Power Plant Rectifier BayPage MX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual Figure 2.2-2 MX28B Block DiagramPage 3.1. Unpacking Equipment 3 Installation3.2. Mechanical Installation Room / LocationMounting Power Bus ConnectionsFigure 3.2-1 Floor Mounting Dimensions Page Figure 3.2-4 Splice Plate InstallationMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual Figure 3.2-2 MX28B-1200-2400 has a maximumCircuit Breaker/LVD Ribbon Cable Connections Figure 3.2-5 Circuit Breaker / LVD Expansion BoardFuse Alarm Ribbon Cable Connections 3.3. AC Power ConnectionsVentilation Figure 3.3-1 AC Input Wiring 3.4. Battery Connections Planning the Battery InstallationConnecting the Battery Cables Figure 3.4-1 Battery Cable Connection LocationsFigure 3.4-2 Battery Probe Connection 3.5. DC System GroundingFigure 3.4-3 Battery Probe Installation 3.6. DC Power Output Over-Current Protection DC Plug-in Circuit BreakersFigure 3.6-1 DC Distribution Front Cover Opened Figure 3.6-2 Plug-in Circuit Breakers Figure 3.6-3 Plug-in Circuit Breaker KitsDC Bolt-in Circuit Breakers Figure 3.6-4 Bolt-in Circuit BreakersTelecom Fuses Figure 3.6-5 Telecom Fuses3.7. Installation of Circuit Breakers and Fuses Plug-in Circuit Breaker InstallationBolt-in Circuit Breaker Installation Figure 3.7-2 Circuit Breaker Alarm WiringAMBIENT TEMPERATURE Telecom Fuse InstallationGMT Fuse Installation Figure 3.7-3 GMT Fuse Temperature De-rating ChartCircuit Breaker Connections 1 to 50 Amps 3.8. Load ConnectionsCable Size Considerations Circuit Breaker Connections 60-100 AmpsFront Panel DB9 Connection 3.9. Monitoring and Relay Output ConnectionsGMT Fuse Connections “Smart” Cable DB9 ConnectionRJ45 Ethernet Connector Relay Output Connectionsnon-alarm state 3.10. External Alarm Input ConnectionsExternal Alarm Source Alarm Terminals3.11.Rectifier Module Installation Battery Visual and Safety Inspection 4 Commissioning and Preventive MaintenanceElectrical Installation 4.1. Pre-Commissioning Inspection4.2. Commissioning AC Power UpInitial Set-up Rectifier Test DC Power UpBattery Power Up LVD TestUser Inputs Battery Temperature CompensationCircuit Breaker/ Fuse Test Output Relays4.3. Final Inspection Rectifier alarms reporting AC Input PowerDC Output Power 5 OperationSystem Voltage Control 5.3. System ManagementSystem Output Capacity System CurrentBattery Charging and Protection 5.5. Battery ManagementSystem Status and Alarm Reporting 5.4. DC DistributionBattery/Load Low Voltage Disconnect 5.6. Controls and IndicatorsFront Panel User Interface Parameter Locations, Descriptions, and Default Values MX28B-1200 + STATUS ALARMS SYSTEM MODULES BATT PIN OEMPARAMETER NAME Parameter Locations, Descriptions, and Default ValuesDEFAULT SETTINGS DESCRIPTIONMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual PageMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual PageMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual PageMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual PageMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual PageMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual PageMX28B1200/2400 MX28B1200/4800 -48 VDC User’s Manual PageDESCRIPTION DEFAULT SETTINGSPARAMETER NAME DISPLAY SCREENSS e c o n d L e v e l Control Unit Menu StructureT o p L e v e l T h i r d L e v e lS e c o n d L e v e l T o pL e v e l T h i r d L e v e lT o p L e v e l MX28B1200/2400 MX28B1200/4800 -48 VDC User’s ManualPage S e c o n d L e v e lS e c o n d L e v e l T o pL e v e l T h i r d L e v e lS e c o n d L e v e l T o pL e v e l T h i r d L e v e lT o p L e v e l MX28B1200/2400 MX28B1200/4800 -48 VDC User’s ManualPage S e c o n d L e v e lFront Panel LED Indicators 5.7. Alarm Outputs Output RelaysSection 5.8. External Alarm Inputs Input Relays 6.1. Description 6.3. Command and Monitoring Protocol6 Remote Monitoring 6.2. Physical Connections7.1. Equipment 7 Preventive MaintenanceSystem Visual and Safety Inspection 7.2. InspectionRectifier Current Test 7.3. TestSystem Voltage Test Battery Visual and Safety InspectionBattery Current Test Rectifier Alarm TestSystem Temperature Test Rectifier Current Share TestBattery Preventive Maintenance Procedure Battery Temperature TestLVD Test 7.4. Final Inspection 1MRF28H54BV Rectifiers 8 Specifications8.1. AC Input 1MRF28H54BV50 Rectifiers8.3. Controls and Indicators RectifiersPower Shelf Control Unit 8.5. Environmental 8.4. Mechanical8.6. Compliance Toll Free 9 APC Worldwide Customer SupportUS and Canada WorldwideWarranty Procedure 10 Limited Product WarrantyTerms of Warranty Warranty Obligations - Repair or Replacement