MANUFACTURERS :: Eaton :: Transfer Switches

A critical component of any emergency power system, Eaton's contactor based automatic transfer switch quickly and safely shifts the load circuit from a normal power source to the emergency source, permitting critical loads to continue running with minimal or no outage in momentary losses of power.

Eaton's contactor based automatic transfer switch is the most basic design that will provide a fully functioning automatic transfer switch. Compact and cost effective, these automatic transfer switches are simple to operate and offer the most flexible applications during momentary losses of power.

Features:

• Designed with operational simplicity in mind, the compact design and user friendly front panel interface simplifies routine operation, programming, and setting adjustments.
• Rated for 40-1200A up to 600V and 1600A up to 480V in 2, 3 or 4 pole configurations. Eaton's contactor based transfer switch is available in open, delayed, closed transition and non-automatic style.
• UL1008 and CSA 22.22 No. 178-1978 listed.
• The bypass isolation option provides industry leading Dual ATS technology, which allows both the ATS and the bypass switch to perform as automatic transfer switches.
• The contactor transfer switch offering is available with the ATC-100 controller (40-100A open and delayed transition), the ATC-300 controller (40-1600A open and delayed transition), and the ATC-800 controller (40-1600A open, delayed and closed transition).
• Specific and Any breaker ratings across entire contactor line provides the highest level of user flexibility in selecting the right transfer switch for your application.
• Momentarily energized solenoid operating mechanisms offer a fast and reliable method of transfer. The operating mechanism ie electrically and mechanically interlocked in open transition applications to prevent inadvertent paralleling of source 1 and source 2.
• All contactors 400A and below contain a stationary arcing contact and all contactors 600A and above contain a separate moveable "break first, make last" arcing contact.
• Field-selectable multi-tap transformer panel permits operation on a wide range of system voltages.
• Keyed quick-disconnect plugs are provided for easy and complete isolation of the control circuitry.
• Programmable plant exerciser standard in all controller models.

Breaker Based Automatic Transfer Switches offer an enhanced set of features that will meet your application requirements, and allow for optimal control and improved flexibility for applications requiring continuity of power during the transfer and routine test.

Breaker-Based Automatic Transfer Switches are designed for a variety of standby power applications for critical loads and offer an enhanced set of features that will meet your application requirements. They minimize initial equipment costs, reduce installation time, and increase system reliability.

Features:

• In the event of a primary power source interruption, users can manually transfer the load circuits to the standby power source and back to the primary power source once primary power has been restored.
• Rated for 30-1000A up to 600V in 2, 3, or 4 pole configurations. Eaton's breaker based ATS is available in a 3 position delayed transition configuration.
• Available with ATC-100, ATC-300 or ATC-600 level controls. All Eaton controllers are standard with a programmable engine exerciser and multiple field-programmable time delays.
• UL1008 and CSA 22.22 No. 178-1978 listed.
• High withstand ratings on low amperage switches without derating.
• Permanently affixed operating handle allows for safe manual operation under full load.
• Field-selectable multi-tap transformer panel permits operation on a wide range of system voltages.
• Suitable for use as service equipment in the standard enclosure size.
• A unidirectional gear motor mechanism allows for fast, powerful, safe power switching.
• Completely enclosed contacts ensure the integrity of the contact assemblies and minimizes the need for periodic maintenance of contacts, reducing downtime.

The Magnum family of transfer switches offers the highest withstand capacity in the industry. Designed for applications where total system coordination must be accomplished, they offer a variety of standby power applications for critical and non-critical loads.

Eaton Magnum Transfer Switches offer the utmost in flexibility, reliability and value. They are designed for applications where total system coordination must be accomplished while achieving a high level of Withstand, Interrupting, and Closing performance.

Features:

• During normal power interruption, these switches will automatically transfer the load circuits to the emergency power source. Once normal power has been restored, the process is automatically reversed.
• Rated for 200-5000A up to 600V in 2, 3 or 4 pole configurations. Eaton's Magnum transfer switch is available in non-automatic, open, delayed, closed, and soft load transition.
• Eaton's Magnum Transfer Switches are UL 1008 listed with a thirty cycle short time rating, In addition, the use of optional electronic trips allows performance curve shaping to facilitate proper system coordination and application.
• Available with Eaton's ATC-600 controller for open and delayed transition applications and the ATC-800 controller for closed transition transfer switches.
• Drawout construction is available for applications such as critical life support systems where preventive maintenance, inspection, and testing must be accomplished while maintaining continuous power to the load.
• Allows for system testing without power interruption and prevents block-loading of the engine generator set.
• Multi-Tap Voltage Selector provides for application on a variety of system voltages.
• Each switching device is independent which allows it to be replaced either with a spare switch a replacement unit available from the factory.
• Completely enclosed contacts add a measure of safety and reliability and ensure the integrity of the contact assemblies. This minimizes the need for periodic maintenance of the contacts, reducing downtime and maintenance time.
• Keyed quick-disconnect plugs are provided for easy and complete isolation of the control circuitry

The bypass isolation switch is designed for applications where maintenance, inspection and testing must be performed while maintaining continuous power to the load. This is typically required in critical life support systems and standby power situations calling for safe system maintenance with no power disruptions.

The bypass isolation switch is designed for applications where maintenance, inspection and testing must be performed while maintaining continuous power to the load.