Eaton Electrical Magnum Transfer Switch manual Design Configuration

Models: Magnum Transfer Switch

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Instructional Booklet

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Effective: March 2007

Fixed and Drawout Magnum Transfer Switches

Basic Transfer Switch (Power Panel)

The basic transfer switch is designed for use with customer fur- nished logic. It is similar in design to the automatic version, except the intelligence circuit (logic panel) and voltage selection panel are omitted. All control devices are the customer’s responsibility.

Source 2

Source 1

Load

Figure 2. Typical Load Transfer Switch (Switching Device Type) Schematic.

Non-Automatic Transfer Switch (Electrically Operated)

Non-automatic transfer switches are manually initiated, electrically operated devices for applications where automatic load transfer is not required.

Bypass Isolation Transfer Switch

The bypass isolation switch is designed for applications where maintenance, inspection, and testing must be performed while maintaining continuous power to the load (Figures 3 and 4). This is typically required in critical life support systems and standby power situations calling for safe system maintenance with no power disruptions. Such a design allows for the quick removal of the different switching devices for inspection, maintenance, or replacement.

The ATS, non-automatic transfer switch (electrically operated), and bypass isolation transfer switch are the available types for the configuration described in this manual.

Operation of the ATS and the bypass isolation switch only are dis- cussed in this manual (Sections 5 and 7 respectively).

1.2.2 Design Configuration

The Eaton transfer switch is a rugged, compact design utilizing insulated case switches or insulated case circuit breakers to trans- fer essential loads from one power source to another. Open tran- sition switching devices are interlocked to prevent both switching devices from being closed at the same time. The versatile design, in addition to standard transfer functions, offers an optional inte- gral thermal and short circuit protection in either or both switching devices.

The switching devices are in a compact vertical arrangement. The logic can be easily disconnected from the switching device with- out disturbing critical connections. The enclosure is free standing, and, by using the specially supplied cleats, the switch is seismic approved (Option 42). The terminals are mounted in the rear of the switch, permitting rear, top, bottom, or side cable or bus bar entrance.

The switching devices have a high withstand rating (Table 1). The high-speed, stored-energy switching mechanism guarantees a transfer time of less than 5 cycles.

Figure 3.Typical Bypass Isolation Switch.

For more information visit: www.Eaton.com

IB01602011E

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Eaton Electrical Magnum Transfer Switch Typical Load Transfer Switch Switching Device Type Schematic, Design Configuration

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.