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Compact and efficient 12V and 24V power supplies for small performance ranges

12.03.2010
New 12V and 24V power supplies for the lower performance ranges up to 30W have been developed by the Siemens Industry Automation Division.

The new Sitop PSU100C units of the Sitop compact product line feature a slim-line, space-saving design with a wide-range input for single-phase AC and DC networks. One of their main characteristics is low energy consumption – for example due to no-load losses and high efficiency even in partial-load operation.


In the first delivery stage, Siemens supplies two units for the output voltage 24 VDC, 0.6A/15W and 1.3A/30W, as well as a unit for 12 VDC with 2.0A/24W. Further units with output voltages of up to 100W will follow. The Sitop PSU100C switched-mode power supplies have a wide-range input for single-phase AC networks between 85–264V and for DC networks between 100–300V.

One of the main characteristics of the Sitop PSU100C power supplies is the high energy efficiency. For example, energy losses during no-load operation – such as in standby mode – are extremely low at around 0.5W. The constantly high efficiency across the entire load range, including partial-load operation, also saves energy. The new units are ideal for operating temperatures between -20°C and +70°C and feature an adjustable output voltage and a user-friendly connection system using plug-in terminals. The space-saving, slim-line design of the unit requires only a minimum of mounting space on the DIN rail.

Backed up by comprehensive international certification packages such as ATEX and Germanischer Lloyd, the units are suitable for decentralized applications in industry, infrastructure and building technology all over the world – ranging from mechanical engineering (series and special machines) through heating & air-conditioning systems, conveyor and safety technology and transportation systems to regenerative energies and agriculture.

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation, building and lighting 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. The Sector consists of six divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 207,000 employees worldwide (September 30), Siemens Industry achieved in fiscal year 2009 total sales of approximately €35 billion.

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 39,000 employees worldwide (September 30), Siemens Industry Automation achieved sales of €7.0 billion in fiscal year 2009.

Reference Number: IIA2010032223e

Gerhard Stauss | Siemens Industry
Further information:
http://www.siemens.com/sitop
http://www.siemens.com/industry
http://www.siemens.com/industryautomation

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