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Devices for wall mounting expand the Siemens power supply product portfolio

The Siemens Industry Automation Division is expanding the Sitop power supply portfolio with the PSU100D switched-mode power supply systems.

The new products are single-phase devices with an attractive price/performance ratio for direct mounting on a wall. Screw installation means that a mounting rail is not necessary. The rugged, low-profile aluminum casing with IP20 degree of protection requires little space and permits mounting in different positions.

The single-phase Sitop PSU100D power supplies of the Siemens Industry Automation Division can be mounted in various positions on the wall, so a mounting rail is not required.

The devices meet all the basic requirements for a power supply and are particularly suitable for installation in apparatus and machines, as well as for use in automation solutions with no standard rail mounting. The wide temperature range from minus 10 to plus 70 degrees Celsius supports universal implementation even under harsh environmental conditions.

The six fan-free variants of the power supplies provide a regulated supply of 24 volts with rated output currents ranging from 2.1 to 6.25 amperes (A) and 12 volts with 3 or 8.33 A. Another 24 V version with an output current of 12 A uses a fan for cooling purposes. For higher outputs, two devices of the same type can be connected in parallel. Single-phase connection to almost any public and industrial supply system is possible thanks to the wide-range input of 85 to 264 V AC, radio interference class B as well as certification in accordance with CE and cULus (Underwriters Laboratories certification for Canada and the USA). The output voltage can be set between 22 and 28 V using potentiometers in the 24 V variants, and between 11 and 14 V in the 12 V variant. A green LED indicates the operating status "Output voltage OK." Electronic short-circuit, overload and overvoltage protection features ensure safety in the event of a fault.

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation and building technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. In fiscal 2010, which ended on September 30, 2010, revenue from continuing operations of the Industry Sector (excluding Osram) totaled around €30.2 billion. At the end of September 2010, Siemens Industry Sector had around 164,000 employees worldwide without consideration of Osram. Further information is available on the Internet at:

The Siemens Industry Automation Division (Nuremberg, Germany) is a worldwide leader in the fields of automation systems, industrial controls and industrial software. Its portfolio ranges from standard products for the manufacturing and process industries to solutions for whole industrial sectors that encompass the automation of entire automobile production facilities and chemical plants. As a leading software supplier, Industry Automation optimizes the entire value added chain of manufacturers – from product design and development to production, sales and a wide range of maintenance services. With around 33,000 employees worldwide (September 30), Siemens Industry Automation posted sales of €6.2 billion in fiscal year 2010.

Reference Number: IIA2011092635e

Mr. Peter Jefimiec
Industry Automation Division
Siemens AG
Gleiwitzerstr. 555
90475 Nürnberg
Tel: +49 (911) 895-7975

Peter Jefimiec | Siemens Industry
Further information:

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