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Miniature power supply units with optimized power consumption and extended functionality

Siemens' Industry Automation Division has added new functions to its Logo!Power range of miniature power supply units. It has also improved the performance of these products, enhancing the operating efficiency across the entire load range and halving the standby power loss.

The new Logo!Power stabilized power supply units are compatible with their predecessor models in terms of installation and connection, and are designed particularly with small distribution boards in mind.

They feature a wide-range input of 100-240 V AC for alternating current networks, and now also 110-300 V DC for direct current networks. The new product variants with an output voltage of 5, 12, 15 or 24 V DC produce 30, 60 or 100 watts, depending on the model. The 12 V and 24 V variants are also specially designed to supply the Logo! logic module.

These power supply units can be used universally in industrial, residential and special-purpose construction, and are typically incorporated into machinery and control cabinets for applications in the low-end performance range, as well as small equipment and special devices.

With a depth of just 54, 72 or 90 millimeters, the flat Logo!Power units can be integrated flexibly into all conventional single-phase power supply networks. They feature a wide-range input without switching, and an individually adjustable output voltage. The operating temperature range starts at -20 and has been extended from +55 to +70 degrees Celsius. The startup behavior of the power supply units has also been optimized: a reserve capacity of 150 percent is available for starting capacitive loads. The units are wired simply in protection class II without a protective earthing conductor. For export, they have extensive international certificates, including ATEX, CE, cULus, FM and GL Shipping Approval.

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: IIA2010102246e

Gerhard Stauss | Siemens Industry
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