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GE Introduces New GE Zenith STS-3 and STS-1 Series Static Transfer Switches for Critical Infrastructure Applications

New Static Transfer Switch Product Line Extends GE's Data Center Portfolio of Highly Reliable Critical Power Solutions

DALLAS, TX -- (Marketwired) -- 05/07/14 -- Though there are several ways to configure uninterruptible power supplies (UPS) for redundancy in data center applications, using static transfer switches between pairs of UPS systems offers data center operators an enhanced level of reliability. GE's Critical Power business (NYSE: GE) is introducing a new line of GE Zenith* STS-3 Series three-phase static transfer switches and GE Zenith STS-1 Series single-phase static transfer switches for critical infrastructure applications.

The new GE Zenith STS-3 static transfer switches provide power source redundancy in UPS system architectures to increase product mean time between failure between the power source and the critical load, using features such as internal triple redundancy of control power and logic. The new GE static transfer switches, which have a wide range of available ampere ratings, are part of a complete GE critical power distribution solution, which includes UPS systems upstream of the static transfer switch units and power distribution units and/or power overhead busway systems downstream of the static transfer switch units.

Customers who deploy two independent UPS systems in their critical power infrastructure with downstream GE static transfer switches can enhance system reliability by approximately 30 percent as compared to paralleled UPS system designs that do not deploy static transfer switch devices. This architecture also provides added flexibility because one UPS can be isolated for repair or maintenance while the other UPS protects critical loads via a manually initiated static transfer switch source transfer.

GE's STS-3 Series units meet key technical requirements by performing out-of-phase transfers between power sources without undue inrush current on the electrical system when power distribution unit transformers are employed on the load side of the static transfer switch.

The new GE Zenith STS-1 Series static transfer switches provide a single-phase solution for customers who want to deploy the switches in a rack-mount form factor to provide dual input source capabilities to rack-mounted single-cord information technology (IT) servers or other non-IT critical process equipment.

GE Zenith STS-3 Series three-phase units are ideal for data center, telecommunications, financial and industrial critical infrastructure customers seeking centralized power source redundancy, while the GE Zenith STS-1 single-phase static transfer switches are for point-of-use power source redundancy at the localized rack level.

"We're delivering a full line of static transfer switch solutions to meet a wide range of customer requirements in the data center and other critical process markets," said Ray Prince, Americas UPS segment leader, GE's Critical Power business.

Availability and pricing

Pricing for the GE Zenith STS-3 Series starts at $10,000 and pricing for the GE Zenith STS-1 Series starts at $1,700, depending on the amp rating. More information on GE's Zenith STS-3 and Zenith STS-1 static transfer switches is available in the product brochure or by calling +1 972 244 9288.

GE's Critical Power business provides mission-critical applications with end-to-end power product and service solutions that maximize uptime and power efficiency. The solutions add to GE's broader Industrial Solutions portfolio of leading technologies designed for the delivery, management and optimization of electrical power for customers across multiple industries. To learn more about GE's Critical Power business visit:

About GE

GE (NYSE: GE) works on things that matter. The best people and the best technologies taking on the toughest challenges. Finding solutions in energy, health and home, transportation and finance. Building, powering, moving and curing the world. Not just imagining. Doing. GE works. For more information, visit the company's website at

Follow GE's Critical Power business on Twitter @GEcriticalpower.

*Trademark of the General Electric Company; may be registered in one or more countries.

For more information, contact:

Ellen Zeidler
Critical Power
+1 972 244 9497
Email Contact

Roger Bridgeman
or Kim Novino
Bridgeman Communications
+1 617 742 7270
Email Contact
or Email Contact

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