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Eaton Electrical Magnum Transfer Switch manual Voltage Selection Adjustment

Models: Magnum Transfer Switch

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Instructional Booklet

Fixed and Drawout Magnum Transfer Switches

Effective: March 2007

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4.6 Voltage Selection Adjustment

Certain devices, such as the voltage selection panel, sensing relays, and timers need to be set and/or calibrated prior to placing the transfer switch equipment into service. Adjustments for logic

devices are described in the separate instructional document dedi- cated to the specific logic being used. Voltage selection adjust- ments are described here

SECONDARY TERMINALS

7

120V.1.5A

 

 

 

 

 

 

 

 

 

 

7

8

9

10

 

 

 

 

 

 

 

 

 

 

 

 

 

TOP:

8

 

 

 

 

 

 

 

 

 

 

 

5-

 

 

 

 

 

 

 

 

 

 

 

 

BOTT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

OM:

480V

 

3-

 

 

120V

 

21A

 

 

 

 

 

 

 

600

1

 

 

0.

10

 

 

 

 

 

 

 

208V

 

 

 

 

 

 

 

 

 

 

 

 

6-

 

V

4-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMM

ON

 

 

 

 

 

 

 

 

 

 

240V

2-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

0V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

3

PRIMARY

1

TERMINALS

6

4

2

600V

6

 

480V

5

7

 

240V

4

SECONDARY 1

120V, 300VA

 

 

208V

3

INTERMITTENT 50%

DUTY CYCLE

 

 

120V

2

8

9

 

 

60Hz

 

SECONDARY 2

 

 

120V, 25VA

 

 

10

0V

1

 

Figure 21. Voltage Selection Adjustment.

WARNING

DISCONNECT ALL SOURCES OF POWER OR DISCONNECT P7/S7 PRIOR TO PERFORMING THE FOLLOWING. FAILURE TO DO SO MAY CAUSE SERIOUS INJURY OR DEATH.

•Remove the transformer pack cover by loosening the 4 screws located at each corner of the transformer pack assembly.

•The transformers are factory set on the 600 volt tap. (See illus- tration above for location of various taps and voltages)

•Detach the spade connector from the 600 volt tap and place on the tap that is suitable for your application.

.

CAUTION

BE SURE THAT THE CORRECT VOLTAGE IS SELECTED TO MATCH THE SYSTEM VOLTAGE. AN IMPROPER SELECTION AND/OR CON- NECTION COULD RESULT IN EQUIPMENT DAMAGE.

•After changing the taps on both transformers, replace the trans- former pack cover and tighten all four screws.

4.7Mounting the Switching Device in the Drawout Mechanism

In structures equipped for drawout circuit breakers, a bolted-in cassette with movable extension rails supports the circuit breaker (Figure 22). The extension rails must first be pulled all the way out. Once the rails are fully extended, the circuit breaker can be carefully placed on the extension rails.

Figure 22. One Side of Drawout Circuit Breaker Properly Seated on Extension Rails.

IB01602011E

For more information visit: www.Eaton.com

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Eaton Electrical Magnum Transfer Switch manual Voltage Selection Adjustment
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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.