Eaton Electrical Magnum Transfer Switch manual Operation, Wiring, Engine Start Connection

Page 20

Instructional Booklet

Page 20

Effective: March 2007

Fixed and Drawout Magnum Transfer Switches

CAUTION

IT IS IMPORTANT TO TAKE GREAT CARE WHEN PLACING A DRA- WOUT CIRCUIT BREAKER ON ITS EXTENSION RAILS. IF THE CIR- CUIT BREAKER IS NOT PROPERLY SEATED ON THE EXTENSION RAILS, IT COULD FALL FROM THE RAILS CAUSING EQUIPMENT DAMAGE AND/OR BODILY INJURY.

Carefully lower the circuit breaker down onto the extension rails. Be certain that the circuit breaker’s four molded drawout rail sup- ports are fully seated in the extension rail cutouts on both sides (Figure 22). Do not remove the lifting yoke from the circuit breaker until it is properly seated on the rails.

Once the circuit breaker is on the extension rails and the lifting yoke is removed, proceed with the rest of the circuit breaker installation.

4.8 Wiring

Section 5: Operation

5.1 General

WARNING

THE CLOSED TRANSITION PRODUCT CONTAINS A SPECIAL CON- TACT ARRANGEMENT (OVERLAPPING CONTACTS). MISUSE CAN RESULT IN DEATH, SEVERE PERSONAL INJURY, AND/OR PROPERTY DAMAGE.

A transfer switch provides main contacts to connect and discon- nect the load to and from the Source 1 and Source 2 power sources. A stored-energy type transfer mechanism provides the mechanical motion required to open and close the main contacts (Paragraph 3.2.1).

Each switch can be manually operated. Before a switching device can be closed, the stored energy mechanism must be charged by pumping the handle (Figure 23).

CAUTION

POWER CONDUCTORS AND CONTROL WIRING MAY HAVE VOLT- AGE PRESENT THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. DE-ENERGIZE ALL POWER OR CONTROL CIRCUIT CONDUC- TORS BEFORE BEGINNING TO PERFORM ANY WIRING ACTIVITY TO OR WITHIN THE TRANSFER SWITCH EQUIPMENT.

Power sources, load conductors, and control wiring should be connected to locations as indicated in the Customer Wiring Dia- grams supplied with the transfer switch equipment.

4.8.1 Engine Start Connection

The engine control contact connections are located on the ATC-600/ATC 800 Controller. The engine control contact con- nections of bypass isolation units are located in the door of the enclosure

Note: Prior to making the engine start connection to the switch on bypass isolation units, set the engine generator controls selector switch in the OFF position to prevent an unwanted engine start. A contact closes between these terminal blocks when an engine start signal is provided by the ATS logic.

4.8.2 ALARM CONTACTS (CLOSED TRANSITION ONLY)

Closed transition only ATSs are provided with an extra shunt trip on the Source 1 device. This shunt trip is energized when the Time Delay Utility Parallel (TDUP) times out (preset by user), thus opening the source device. The TDUP timer starts timing when both sources are paralleled. Refer to the IQ Transfer instruction book for additional alarms.

Figure 23. Pumping Handle Charges Stored Energy Mechanism (Closed Transition Shown).

In the closed transition product, a single switching device can be manually closed by following the instructions detailed in Figure

25.An indicator window shows whether the switch is open or closed.

The open transition switching device can be closed by pushing the close button (Figure 24). The other switching device is prevented from closing through a rigid mechanical interlock (Paragraph 3.2.2). An indicator window shows whether the switch is open or closed.

For more information visit: www.Eaton.com

IB01602011E

Page 19 Page 21
Image 20
Page 19 Page 21
Contents Manual for the Fixed and Drawout Magnum Transfer Switches Testing and Problem Solving Maintenance Renewal Parts GuideInstructional Booklet General Information Preliminary Comments and Safety PrecautionsIntroduction Typical Load Transfer Switch Switching Device Type Schematic Design ConfigurationTypical Bypass Isolation Switch Schematic Withstand RatingsGeneral Magnum Switching Device Magnum Fixed and Drawout Switching DevicesMagnum Transfer Switch Configurations Fixed Switching Device for the Magnum Transfer Switch Transfer Switch Catalog Number Identification Using the Style Identification Guide Transfer Switch Catalog Number ExplanationReceiving, Handling, and Storage Equipment DescriptionDrawout Interlocks Power PanelSwitch Interlocks Open Transition Only Left Side View with Panels Removed Drawout Mechanism Voltage Selection PanelLogic Panel Relay Auxiliary Contacts FeaturesNeutrals Transfer Switch Equipment Enclosures EnclosureMounting Location Installation and WiringStandards Unpackaging and Inspection Mounting Procedure Seismic Tested and Approved Product Mounting InstructionsPower Cable Connections Wire Size for Available Power Cable ConnectionsVoltage Selection Adjustment Mounting the Switching Device in the Drawout MechanismEngine Start Connection WiringOperation Automatic Transfer Switch Close Switch by Pushing Close ButtonSwitching Device Positioning Drawout and Fixed Switching DevicesInstalling a Drawout Switching Device Switching Device in the Connect Position Fixed Switching Device Levering and Position IndicationOperator Panel Operation of the Bypass Isolation Transfer SwitchSwitching Device Operation Bypassing the Transfer Switch Automatic OperationSource 1 to Source 1 Bypass Source 2 to Source 2 BypassInto Its Source 2 to Source 1 Bypass Open Transition Only Testing and Problem Solving Manual Operation When in Bypass ModeTesting Problem SolvingTransfer Switch Will Not Automatically Recharge Switches Transfer Switch Appears InoperativeTransfer Switch Will Not Automatically Transfer to Source Maintenance Periodic Maintenance ProceduresMaintenance Procedures IntroductionCover Removal and Replacement Cover Removal and ReplacementRenewal Parts Guide Instructional Booklet Sensing Harness TSMGH02 Kcmil Neutral Terminal Instructional Booklet

Magnum Transfer Switch specifications

The Eaton Electrical Magnum Transfer Switch is a premium solution designed for reliable power management in various applications, ranging from data centers to critical facilities. Known for its robust performance and advanced technology, the Magnum Transfer Switch ensures seamless transitions between utility and backup power sources, thereby enhancing operational continuity.

One of the standout features of the Eaton Magnum Transfer Switch is its unparalleled reliability. The switch is designed with heavy-duty components that provide up to 3,000 amps of continuous current with exceptional fault protection. Its construction is particularly suited for environments where power availability is crucial, ensuring that critical loads remain powered even during grid failures.

The Magnum Transfer Switch incorporates advanced technologies that simplify the operation and monitoring of power systems. It includes microprocessor-based controls that offer users customizable settings and configurations. These smart controls enable automatic transfer operations, ensuring quick response times when switching between power sources. The intelligent diagnostics feature further enhances reliability by offering predictive maintenance alerts, which help in identifying potential issues before they lead to failures.

Safety is a priority with the Magnum Transfer Switch. It is equipped with multiple interlocking features that prevent accidental switchovers and ensure that maintenance can be performed without the risk of electrical accidents. The design adheres to stringent safety standards, providing users with peace of mind.

Flexibility is another characteristic of the Eaton Magnum Transfer Switch. It offers a range of mounting options and configurations to fit diverse installation needs, whether in commercial infrastructures or industrial settings. The switch can be integrated with various power systems, making it a versatile choice for project developers and facility managers.

Additionally, the Magnum Transfer Switch supports eco-friendly initiatives through energy-efficient designs that minimize power loss during transfer operations. This feature is increasingly important as businesses aim to reduce their carbon footprint and enhance sustainability.

In summary, the Eaton Electrical Magnum Transfer Switch stands out for its reliable performance, advanced technologies, and robust safety measures. It is a versatile solution that meets the demands of modern power management, ensuring that critical systems operate continuously, even in the face of unexpected power interruptions. With its combination of efficiency, safety, and flexibility, the Magnum Transfer Switch remains a trusted choice for professionals in various industries.
Top Page Image Contents