Siemens: Power Supplies - Alternative Output Voltages

When the cables get too thick

Especially in the case of high-power loads, the 48 V power supply has the decisive advantage over the 24 V standard voltage supply that smaller cable diameters can be used. The SITOP range includes 48 V power supplies in two different designs.

The basic unit SITOP modular 48 V/ 20 A possesses the same functionality as the basic unit 24 V and it can as well be extended with the signaling module.

With a width of only 70 mm, the new SITOP smart 48 V/ 10 A takes up little space on a DIN rail. It has a wide-range input for three-phase systems and an efficiency of 93 %. Connection of loads with a high inrush current presents no problem as it can provide an additional 50 % of rated current for a duration of 5 seconds. The 48 V DC voltage feed lower cable cross-sections are required as with 24 V standard voltage.

Unlimited diversity thanks to variable output

The innovative circuiting concept offers flexible setting of the output voltage between 3 and 52 V. This means special voltages can also be handled by a standard device.

Electrical powering of the switching cabinet

The industrial, DIN rail device has two 15 V outputs for electronic devices, for instance, which are powered with ±15 Volt.

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