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Re: Auto transfer switch [message #348079 is a reply to message #347853]

Wed, 18 September 2019 08:03

jhbridges

Messages: 8412
Registered: May 2011
Location: Braselton ga

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Senior Member

The 30 second (overkill) delay in some of the auto transfer switches is a low cost way to keep from having the AC essentially look at itself until the magnetic field in transformers and/or motors dies down. If the peak waveform of one source sees the peak of the other it may cause enough current to drop a breaker or open a fuse. (In high power setups it certainly will). It probably isn't necessary in the GMC unless the A/C is running and doesn't reset the compressor timer. Half a second is plenty. If you have a simple relay and the A/C breaker pops when you swap, that's why. Ask me how I know thism Smile

--johnny

Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell

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[Message index]

		Auto transfer switch By: 6cuda6 on Sun, 15 September 2019 09:54
		Re: [GMCnet] Auto transfer switch By: Richard Denney on Sun, 15 September 2019 11:07
		Re: Auto transfer switch By: JohnL455 on Sun, 15 September 2019 11:38
		Re: Auto transfer switch By: mghamms on Sun, 15 September 2019 13:48
		Re: Auto transfer switch By: 6cuda6 on Sun, 15 September 2019 13:55
		Re: Auto transfer switch By: C Boyd on Sun, 15 September 2019 14:50
		Re: Auto transfer switch By: mghamms on Sun, 15 September 2019 15:21
		Re: Auto transfer switch By: 6cuda6 on Sun, 15 September 2019 15:28
		Re: [GMCnet] Auto transfer switch By: James Hupy on Sun, 15 September 2019 15:41
		Re: [GMCnet] Auto transfer switch By: Olly Schmidt on Sun, 15 September 2019 15:33
		Re: Auto transfer switch By: jhbridges on Sun, 15 September 2019 18:54
		Re: [GMCnet] Auto transfer switch By: James Hupy on Sun, 15 September 2019 19:09
		Re: Auto transfer switch By: TR 1 on Tue, 17 September 2019 09:59
		Re: Auto transfer switch By: jhbridges on Tue, 17 September 2019 10:09
		Re: Auto transfer switch By: jhbridges on Tue, 17 September 2019 10:10
		Re: Auto transfer switch By: Larry on Tue, 17 September 2019 12:09
		Re: Auto transfer switch By: habbyguy on Tue, 17 September 2019 13:32
		Re: Auto transfer switch By: ljdavick on Tue, 17 September 2019 15:02
		Re: Auto transfer switch By: Russell K. on Tue, 17 September 2019 16:22
		Re: Auto transfer switch By: Tilerpep on Tue, 17 September 2019 19:27
		Re: Auto transfer switch By: 6cuda6 on Tue, 17 September 2019 19:52
		Re: Auto transfer switch By: jhbridges on Wed, 18 September 2019 08:03
		Re: [GMCnet] Auto transfer switch By: powwerjon on Wed, 18 September 2019 09:19
		Re: Auto transfer switch By: jhbridges on Wed, 18 September 2019 13:01
		Re: [GMCnet] Auto transfer switch By: Richard Denney on Wed, 18 September 2019 13:27
		Re: Auto transfer switch By: jhbridges on Wed, 18 September 2019 17:20
		Re: [GMCnet] Auto transfer switch By: Ken Henderson on Wed, 18 September 2019 17:45
		Re: [GMCnet] Auto transfer switch By: habbyguy on Thu, 19 September 2019 15:28

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