Power Supplies - Industry Automation and Drive Technologies Overview - Siemens  |   12/01/2008 5:53 PM  
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Power Distribution

Throughout the sector of plant engineering and machine construction, a safe and reliable power supply is necessary for supplying the process with energy. Requirements are extremely diverse and this is reflected in our product range.
Maintenance-free, Uninterruptible DC Power Supply w/o Battery Replacement
SITOP SV - maintenance-free DC-UPS without battery replacement
The new SITOP UPS500S uninterruptible power supply is based on an energy storage comprising powerful capacitors. These have a long service life even at 60 °C, unlike conventional lead batteries that have to be replaced annually at 40 °C. Elaborate ventilation is no longer necessary as the capacitors do not emit any hydrogen. The short charging times ensure high availability after power failure.
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SITOP und LOGO!Power Power Supplies, Catalog KT10.1 - 2008
Catalog 'SITOP und LOGO!Power Power Supplies'
The catalog for SITOP and LOGO!Power controlled power supplies (Order No. E86060-K2410-A101-A6-7600) has been updated. A PDF is available for English and German. Spanish, French and Italian versions will be available soon.
New features include:
Slimline SITOP smart universal power supply
Compact 3-phase SITOP modular 20 A basic model and
SITOP PSA 100E power supplies for straightforward requirements.
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Compact 48V Power Supply SITOP
SITOP smart 48 V / 10 A
Loads requiring a 48VDC input voltage instead of the usual 24VDC supply can now use the 3-phase SITOP smart power supply with 10 A output current. With a width of only 70 mm, the compact 48V power supply takes up just a little space on the rail. The primary-pulsed power pack has a wide-range input and an efficiency of 93%. For problem-free connection of loads with high inrush current, it provides 50% extra power for up to 5 seconds.
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New Slimline SITOP Modular 20 A Power Supply
SITOP modular 20A
The 3-phase SITOP modular with 20 A output current is now available in a 70 mm wide design. The innovated 24V power supply belongs to the slimmest and most compact in its performance class. The DIN rail mounting device features more than 93 % efficiency and an additional function of 50 % more rated current for 5 seconds. The additional extra power facilitates problem-free connection of loads with high inrush current such as DC/DC transformers and motors.
SITOP select - Sequential Activation of 24 V Loads
The SITOP select diagnosis module makes it possible to switch 24 V loads sequentially. Particularly for loads requiring a high power-on current, this leads to off-loading of the power supply, which can result in a reduction in the design size. The delay times of the 4 outputs can be set to 0 ms, 25 ms or 100 ms. SITOP select monitors the 24 V outputs for overload and short circuits and can switch them off selectively while continuing to hold the supply for intact loads. Downtimes are thus minimized and uptimes increased.
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Siemens AG 2008