SIEL to Supply 56 Bespoke Static Switches to NYSE Data Centre

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Gloucestershire based energy expert SIEL, in conjunction with Prism Power, has recently completed the first installation phase of 56 bespoke ‘EXCHANGE’ 4 pole Static Transfer Switches (STS) at NYSE Euronext’s new ‘ State of the Art’ UK data centre.

Gloucestershire based energy expert SIEL, in conjunction with Prism Power, has recently completed the first installation phase of 56 bespoke ‘EXCHANGE’ 4 pole Static Transfer Switches (STS) at NYSE Euronext’s new ‘ State of the Art’ UK data centre.

Eighteen STS systems, each rated at 1,600Amps complete the first phase. The whole package has been constructed to meet stringent customer requirements and specifications, including ASTA 80kA fault rating certification and form 4.7 segregation/separation. These are one of the first STS systems to meet such stringent specifications as a composite system.

The custom IP31 STS enclosure is designed to accommodate easy termination of multiple large single core feeder cables and to form a compatible part of a matching 96 way intelligent PDU suite supplied by Prism Power. The STS input section includes dual mains inputs with manual wrap around bypass Mccb’s in the lower section operationally interlocked by ‘castell’ keys . Connection of the STS to the PDU suite is made via a solid internal bus bar connection. The STS units having been designed to provide future flexibility by facilitating either ‘right or left’ handed connection to the PDU’s via a separate transition section. The full functionality and status of the STS and PDU intelligent output ways are fully monitored by the customers SCADA system using integrated Modbus interfaces.

Siel’s EXCHANGE STS is provided in 4 pole configuration and achieves an automatic transfer from the preferred supply source to the alternate supply typically within 4msec’s (1/4 cycle). Both input supplies being derived from the output of rotary UPS Systems. Other features include delayed ‘retransfer’ back to the preferred supply source in the event of a transfer being initiated.

As well as the bespoke systems, 4 off 160A 4 pole EXCHANGE systems that meet NYSE’s standard specification have been supplied to enhance security of supplies to other critical equipment. Full ModBus remote monitoring of each system is provided via individual STS synoptic graphics displayed on SCADA screens located within the overall facilities control/command centre.

Notes for Editors

SIEL: Based in Cam in Gloucestershire SIEL were established in 1991 and have a comprehensive product portfolio of power protection solutions including Uninterruptible Power Systems, Static Transfer Switches and Central Power Systems which are installed throughout the UK providing 24/7 power protection to mission critical applications throughout financial, industrial, healthcare and other organizations that rely on the continuous availability of electrical power. In addition the Company has a range of PV converters and wind turbine converters.

NYSE Euronext is an existing client of SIEL and has an installed base of the Company’s Static UPS and EXCHANGE Static Transfer Switches at various locations in the UK.

NYSE Euronext (NYX) is a leading global operator of financial markets and provider of innovative trading technologies. The company's exchanges in Europe and the United States trade equities, futures, options, fixed-income and exchange-traded products. With approximately 8,000 listed issues (excluding European Structured Products), NYSE Euronext's equities markets – the New York Stock Exchange, NYSE Euronext, NYSE Amex, NYSE Alternext and NYSE Arca – represent one-third of the world's equities trading, the most liquidity of any global exchange group. NYSE Euronext also operates NYSE Liffe, one of the leading European derivatives businesses and the world's second-largest derivatives business by value of trading. The company offers comprehensive commercial technology, connectivity and market data products and services through NYSE Technologies. NYSE Euronext is in the S&P 500 index, and is the only exchange operator in the S&P 100 index and Fortune 500. For more information, please visit: http://www.nyx.com.

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Wayne Harris
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