Liebert 4000, 3000, 6000 A, 1500 user manual Rectifiers

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4.4Rectifiers

The rectifiers provide isolated, filtered and regulated DC power, from either a single-phase AC source (Helios Rectifier 100/48) or a three-phase AC source (Helios Rectifier 200I/48 or 200E/48), for charging a positive grounded battery.

The nominal output is adjustable over the range of -46 to -59.5 V to float a 23 or 24 cell battery string.

The rectifiers are equipped with AC input and DC output circuit breakers, a digital ammeter, potentiometers for the adjustment of thresholds, and LED indicators for alarm indications.

The rectifiers use high frequency switching technology and forced air-cooling.

Refer to the appropriate rectifier user manual listed in 6.0 - Reference Documents for detailed operation information on the Helios Rectifier 100/48, the Helios Rectifier 200I/48, or the Helios Rectifier 200E/48.

4.5AC Junction Box

! WARNING

PREVENTING ELECTRICAL SHOCKS

WHEN OPENING THE DOOR OR WIRING THE AC INPUT OF THE RECTIFIERS INSIDE THE JUNCTION BOX, ENSURE THAT THE ASSOCIATED AC BREAKERS, LOCATED IN THE AC SERVICE PANEL, ARE IN THE OFF POSITION AND THAT A WARNING TAG CLEARLY INDICATES THAT THESE BREAKERS ARE TO REMAIN OFF UNTIL THE AC WIRING HAS BEEN COMPLETED. DO NOT INSERT FUSES, OR OPERATE CIRCUIT BREAKER OR SWITCHES TO ON UNTIL THE WIRING IS COMPLETED AND YOU ARE INSTRUCTED TO DO SO.

The AC junction box is part of the rectifier cabinet used for the Helios Rectifier 200E/48. It is located at the top of the cabinet for top fed systems, or at the bottom of the cabinet for bottom fed systems.

The AC junction box provides AC connection interface for up to six rectifiers and facilitates the addition and/or replacement of rectifiers in a working system. The AC supply from the AC service panel is hard wired inside the box at the time of the initial installation. Detailed cabling and con- necting guidelines for the AC junction box can be found in 5.0 - Maintenance.

The rectifiers are provided with a factory-installed AC cord equipped with a male connector. This male connector is plugged into a matching female receptacle at the rear of the AC junction box. For the complete procedures for adding or replacing a rectifier, refer to 5.0 - Maintenance. Note that caps are provided to protect the unused female receptacles.

4.6Distribution Panels

All distribution panels provide local alarm indication on the panel itself, and alarm extension to the controller for additional indication on the controller and the cabinet and further extension to remote alarm facilities.

4.7Terminating Assemblies (Optional)

Terminating assemblies are optional devices used to facilitate the connecting of loads to distribu- tion fuses or circuit breakers larger than 199 A. These assemblies can be used in top fed systems only (they cannot be used on bottom fed systems). Each terminating assembly provides connection facilities for up to six loads without having to route the cables inside the cabinet during installa- tion.

Two terminating assemblies can be used on an auxiliary distribution cabinet, while only one ter- minating assembly can be used on a main control and distribution cabinet.

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Contents Helios DC System 4000/48 Page Table of Contents Reference Documents 7.0 List of Terms MaintenanceOperation Figures Tables Applicability of This Document Purpose of This DocumentRectifier cabinets Main cabinet Aux dist. cabinet DescriptionApplications Control and Distribution cabinet 1200A Rectifier cabinet Control and Distribution Cabinets Typical ConfigurationsControl and distribution cabinets Rectifier cabinetsAuxiliary distribution cabinets Rectifier Cabinet Capacity Type Qty Cabled top or bottomElectrical Specifications of the Cabinets Mechanical Specifications of a CabinetMechanical specifications of the cabinet empty Framework type Height Depth Width WeightElectrical Specifications of the Conventional Controller Mechanical Specifications of the Conventional ControllerMechanical specifications of the Conventional Controller Height Depth Width WeightMechanical specifications of the fuse panels Fuse Panels Mechanical specifications of the fuse panelsDistribution Panels Fuse sizes available for the 20 QFF 0-5 a fuse panelsFront view of the 16 QFF 0-5 a & 6 TPN 5-30 a fuse panels Front view of the 16 QFF 0-5 a & 12 ABS 5-30 a fuse panelsFuse sizes available for the 4 RS100P 70-100 a fuse panels Fuse sizes available for the 8 TPN 5-30 a fuse panelsFuse sizes available for the 4 TPL 225-600 a fuse panels DC power TPLFuse sizes available for the 18 TPS 1-70 a fuse panel DC power TPSElectrical specifications of the fuse panels Electrical specifications of the fuse panelsMechanical specifications of the circuit breaker panels Fuses Busbar Panel number Quantity CapacityNominal CPC Std Trip CPC Mid Trip Current Front view of the 24 Plug-In 1-100 a circuit breaker panelNominal current Front view of the 4 70-250 a circuit breaker panelFront view of the 2 400 a circuit breaker panel Electrical specifications of the circuit breaker panels Electrical specifications of the circuit breaker panelsLength Width Thickness Externally Mounted Battery Return BusbarMechanical specifications of a single lamination Perspective view of the a terminating assemblies Terminating Assemblies OptionalShelf model Height Depth Width Weight MPS300 and MPA100 Power ShelvesRectifiers Electrical Specifications of the Power ShelvesMechanical specifications of the Helios Rectifier 100/48 Electrical specifications of the Helios Rectifier 100/48 Electrical specifications of the Helios Rectifier 100/48Front view of the Helios Rectifiers 200I/48 and 200E/48 Distortion THD StandardsTotal harmonic Mechanical Specifications 600 a and 1200 a Battery Disconnect Unit OptionalElectrical Specifications Mechanical specifications of the Helios Monitor 3000/48Mechanical Specifications of Fully Equipped Power Cabinets Overall Power System SpecificationsMechanical specifications of the AC junction box Mechanical specifications of fully equipped power cabinetsElectromagnetic compliance EMC Environmental Specifications OperatingElectrostatic discharge ESD immunity TransportationVisual indicators Visual indicatorsGeneral Front PanelAlarm Description Transmitted alarmsPotentiometers PotentiometersDIP switches SwitchesSwitches DIP switch modulesTest points FusesFuse Test pointsTerminal blocks Rear PanelTB3 TB4 TB1 TB2 Connectors Rectifiers 600 a and 1200 Battery Disconnect Units Optional Calibration Storage CleaningHelios Monitor 3000/48 Controller and Rectifiers Fan unit replacement Air filter replacementFault diagnosis TroubleshootingAddition or Replacement of a Rectifier Addition / Replacement ProceduresAdding a Helios Rectifier 200I/48 or 200E/48 Adding a Helios Rectifier 100/48AC connections in a Helios Rectifier 200E/48 Cover Rect Replacing a Helios Rectifier 100/48 Replacing a RectifierReplacing a Helios Rectifier 200I/48 or 200E/48 Removal of the old string Adding or Replacing a Battery StringReplacing a distribution circuit breaker Replacement of a Distribution Fuse Block or Circuit BreakerReplacing a Cabinet Alarm Lamp Manual No Description Reference DocumentsDC or dc AC or acFt-lb GRD or GrndPsi In.-lbList of Terms Technical Support 1500, 3000, 4000 & 6000 a DC Power System
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The Liebert 3000 is a cutting-edge power protection solution designed to provide reliable and efficient backup power for critical applications. This uninterruptible power supply (UPS) system is engineered to safeguard sensitive electronic equipment from power disturbances, ensuring uninterrupted operations in data centers, telecommunications, and industrial environments.

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