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Static Transfer Switch preinstalled in UPS?

Discussion in 'General Electronics Discussion' started by Integrator741, Sep 16, 2018.

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  1. Integrator741

    Integrator741

    125
    4
    Jun 16, 2013
    Hello,

    Does a static transfer switch (STS) needs separate installation? Or does that come integrated in some sort of equipment?

    Thanks.
     
  2. kellys_eye

    kellys_eye

    4,275
    1,146
    Jun 25, 2010
    That's what the 'U' in UPS means - uninterruptible.....

    Check the device specification for switching times and pick the lowest!

    Electrically, this is called a make-before-break function but requires synchronisation of the two sources but, for most applications, this wouldn't be an issue.
     
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