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 <[email protected]> wrote: > Chuck, > > I'll try swapping one to see what happens. > > -- > Best regards, > Mark mailto:[email protected] > > Myakka Technologies, Inc. > www.Myakka.com > > ------ > > 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:[email protected] > > 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 <[email protected]> On Behalf Of Mark - Myakka > cwc> Technologies > cwc>> Sent: Tuesday, July 2, 2019 2:37 PM > cwc>> To: 'AnimalFarm Microwave Users Group' <[email protected]> > 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:[email protected] > > cwc>> Myakka Technologies, Inc. > cwc>> www.Myakka.com > > > cwc>> -- > cwc>> AF mailing list > cwc>> [email protected] > cwc>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > cwc>> -- > cwc>> AF mailing list > cwc>> [email protected] > cwc>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > cwc> -- > cwc> AF mailing list > cwc> [email protected] > cwc> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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