Hello Allan, CBI makes both types of breakers. My explanation covers one side of that equation. If the breakers in question are in fact the mag-hyd .. you're correct - they're less prone to heat-variance in the trip current than the thermal types.
Dan --- On Tue, 7/28/09, Allan Sindelar <[email protected]> wrote: > From: Allan Sindelar <[email protected]> > Subject: Re: [RE-wrenches] CBI circuit breakers > To: "'RE-wrenches'" <[email protected]> > Date: Tuesday, July 28, 2009, 12:21 AM > Dan, > > My understanding is that CBI breakers aren't based on a > temperature-related mechanical action, but a > "magnetic-hydraulic" function. I> recall that this > was marketed (by Outback? Robin?) as superior to > thermal-trip mechanisms as it was not prone to > heat-induced nuisance tripping. boB can probably > set us straight here. > > Allan Sindelar > [email protected] > NABCEP Certified Photovoltaic Installer > EE98J Journeyman Electrician > Positive Energy, Inc. > 3201 Calle Marie > Santa Fe, New Mexico 87507 > 505 424-1112 > www.positiveenergysolar.com _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
