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Sounds to me like your using a -48 system for a +48v load and you have the breaker on the negative so when you turn it off the negative ground still has a path back to the device from the rack?
On Tue, Jul 2, 2019 at 3:23 PM Mark - Myakka Technologies <m...@mailmt.com> wrote:
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Chuck,
I'll try swapping one to see what happens.
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Best regards,
Mark mailto:m...@mailmt.com
Myakka Technologies, Inc.
www.Myakka.com
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Tuesday, July 2, 2019, 5:48:02 PM, you wrote:
cwc> They always shut off for me. But it seems like I wired one up backwards
cwc> once and it would either not switch right or not trip or something.
cwc> It certainly was polarity sensitive.
cwc> -----Original Message-----
cwc> From: Mark - Myakka Technologies
cwc> Sent: Tuesday, July 2, 2019 3:42 PM
cwc> To: AnimalFarm Microwave Users Group
cwc> Subject: Re: [AFMUG] LELK1-1REC4-34171 breaker
cwc> Chuck,
cwc> I'm very confused with them, that's why I'm asking the experts. They
cwc> look like normal breakers, but they are not acting that way. They do
cwc> have a line and load side. I have them setup with line on the hot
cwc> side and load on the equipment side. Just not acting the way I
cwc> expected. I just will make sure a put a note up not to assume the
cwc> circuit is disconnect if you switch the breaker to OFF.
cwc> --
cwc> Best regards,
cwc> Mark mailto:m...@mailmt.com
cwc> Myakka Technologies, Inc.
cwc> www.Myakka.com
cwc> ------
cwc> Tuesday, July 2, 2019, 5:26:57 PM, you wrote:
cwc>> Those are DC circuit breakers.
cwc>> Pretty common.
cwc>> They may be polarity sensitive. I think I have run into this problem
cwc>> before.
cwc>> -----Original Message-----
cwc>> From: Ken Hohhof
cwc>> Sent: Tuesday, July 2, 2019 1:54 PM
cwc>> To: 'AnimalFarm Microwave Users Group'
cwc>> Subject: Re: [AFMUG] LELK1-1REC4-34171 breaker
cwc>> Nope, but this appears to be the spec sheet:
cwc>> http://airpax.sensata.com/pdfs/ial.pdf
cwc>> -----Original Message-----
cwc>> From: AF <af-boun...@af.afmug.com> On Behalf Of Mark - Myakka
cwc> Technologies
cwc>> Sent: Tuesday, July 2, 2019 2:37 PM
cwc>> To: 'AnimalFarm Microwave Users Group' <af@af.afmug.com>
cwc>> Subject: [AFMUG] LELK1-1REC4-34171 breaker
cwc>> Was working on the -48vdc power plant the last few days due to battery
cwc>> issues. Noticed that what I though was a breaker, may not be a
cwc>> breaker.
cwc>> I have a total of 6 of these LELK1-1REC4-34171 in the system. They
cwc> show
cwc>> they have a delay and make mention they are "Special Purpose Not for
cwc> General
cwc>> use"
cwc>> Anyone familiar with these? They have the normal on/off switch of a
cwc>> normal breaker. But I discovered that even in the off position current
cwc> is
cwc>> being passed. I find it hard to belive I have six bad units that have
cwc>> been purchased from multiple places over the past years. Are they
cwc>> designed this way? Is so, what is their purpose? Seems like a bit of
cwc> a
cwc>> safety risk.
cwc>> --
cwc>> Thanks,
cwc>> Mark mailto:m...@mailmt.com
cwc>> Myakka Technologies, Inc.
cwc>> www.Myakka.com
cwc>> --
cwc>> AF mailing list
cwc>> AF@af.afmug.com
cwc>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
cwc>> --
cwc>> AF mailing list
cwc>> AF@af.afmug.com
cwc>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
cwc> --
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