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Switched-mode power supplies
► First select the appropriate input AC voltage range (85 - 270VAC or 3x 320 - 550VAC) for your switching power supply (SMPS).
► Then buy switching power supplies with the output current that suits you, with a top-hat rail or for wall mounting, or power supplies with an extremely high protection class.
With the 28V switched mode power supply, the mains voltage is also converted into a regulated 28VDC output voltage. However, the switched mode power supply has a higher efficiency and a smaller size. After filtering and rectification, the AC input voltage is converted into a high-frequency wave-shaped pulsating voltage by a pulse-width modulated semiconductor switch and transformed into the required 28V voltage by means of a transformer on the secondary side. It is then rectified and filtered again. The power supply units of higher power are all equipped with a Power Factor Correction (PFC).
► First select the appropriate input AC voltage range ( 85 - 270VAC or 3x 320 - 550VAC ) for your switching power supply (SMPS) .
► Then buy switching power supplies with the output...
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► First select the appropriate input AC voltage range (85 - 270VAC or 3x 320 - 550VAC) for your switching power supply (SMPS).
► Then buy switching power supplies with the output current that suits you, with a top-hat rail or for wall mounting, or power supplies with an extremely high protection class.
With the 28V switched mode power supply, the mains voltage is also converted into a regulated 28VDC output voltage. However, the switched mode power supply has a higher efficiency and a smaller size. After filtering and rectification, the AC input voltage is converted into a high-frequency wave-shaped pulsating voltage by a pulse-width modulated semiconductor switch and transformed into the required 28V voltage by means of a transformer on the secondary side. It is then rectified and filtered again. The power supply units of higher power are all equipped with a Power Factor Correction (PFC).
This website uses cookies, which are necessary for the technical operation of the website and are always set. Other cookies, which increase the usability of this website, serve for direct advertising or simplify interaction with other websites and social networks, will only be used with your consent.
