Siemens releases Sitop PSU300S power supplies | Automation.com

Siemens releases Sitop PSU300S power supplies

November 232015
Siemens releases Sitop PSU300S power supplies

November 23, 2015 - Siemens releases Sitop PSU300S power supplies with  a 5 ampere rated output current and a width of just 50 mm, which saves space on the standard mounting rail.

Siemens also reduced the width of the 10 ampere version by 20 mm to 70 mm. These devices need no lateral installation clearances from other devices. The high-performance power supplies can deliver 1.5 times the rated current for up to five seconds to start loads with a high current demand. With their high efficiency of up to 91 percent, both power supplies have low thermal losses in the control cabinet.

The devices have a 3-phase AC input with a wide-range from 340 to 550 volts and supply a reliable 24 volts even in the event of major line voltage deviations. International certifications, such as ATEX, IECEx and GL, and an ambient temperature range from -25 to 70 °C enable these power supplies to be used worldwide in a wide range of industries. They are designed to meet standard requirements for a stabilized 24 volt direct voltage in machines and systems.

Users can set the output voltage to between 24 and 28 V to compensate for voltage drops along long lines. Additional Sitop modules are available to provide greater protection against disturbances in the power supply or in the 24 V circuit, for example to create an uninterruptible DC power supply or for the selective protection of 24 V load circuits. The "DC 24 volt OK" operating state can be evaluated by a controller via an integrated potential-free signaling contact. If service is required, the DataMatrix code on the front of the device allows users to download product information, such as a data sheet or manual, directly via the Siemens Industry Online Support App. For design and configuration purposes, 2D and 3D data, circuit diagram macros, operating instructions and certificates are available from the Internet without charge.

Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for more than 165 years. The company is active in more than 200 countries, focusing on the areas of electrification, automation and digitalization. In fiscal 2015, which ended on September 30, 2015, Siemens generated revenue of €75.6 billion and net income of €7.4 billion. At the end of September 2015, the company had around 348,000 employees worldwide. 

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