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  1. C

    How does overload protection in an UPS work during a short-circuit?

    I'll do that too - but as you say it's not certain the trips will be fast enough. So I'm going to use the UPS to test first.
  2. C

    How does overload protection in an UPS work during a short-circuit?

    BTW, before someone thinks I'm over-engineering this :-) It's often recommended to put a light bulb in series. The light bulb series trick doesn't work perfectly - there's a noticeable voltage drop. I could make it up with a Variac, but then this draws even more current, so I get even more...
  3. C

    How does overload protection in an UPS work during a short-circuit?

    Hi guys! First of all, I wanted to say hi! This is my first post on this board. I've been looking for a nice place to chat about electronics, this might be it! :D I was wondering if someone could help me by explaining how overload protection in an UPS (specifically an APC Smart UPS) worked...
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