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Reply to "Airpax Snapac "Instant" Hydraulic-Magnetic Circuit Breaker"

@SteveH posted:

Pat, unless I'm misunderstanding your meaning, I think we might be talking apples, oranges, and bananas here on the time delay.  The other mention above was for a slow trip time Airpax with the number 2 in the second part of the model number ( PP11 - 2 - **** ).

There's also the "fast" delay option ( PP11 - 1 - **** ) with a trip curve that sounds like what you could be describing.

If you look closely at the picture in the original post, its a PP11 - 0 - 10.0 - OB -  V which is the instant fruit (I mean delay) . The  - 1 = "instant" PN designation Airpax breaker is supposed to disconnect the load in less than 0.1 second if current flow to the load rises to above about 135% of its rating.

Do you think the ones you were using might have been the "fast" that has a curve like this?

Fast Delay Air Pax

The -1 is the one we tried on a 12-14V circuit, ( 13.90 running ) on a 20 amp service,.... ....I believe you’re correct, we’re probably comparing apples to oranges,....when we forced a trip, and observed the drop out, it was not instant, almost as if the arc was holding load as it moved away from the contacts,.....we bought them since they were cheap, and  I could certainly cut one open if that’s the exercise of the thread,......  

Pat

OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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