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Old 02-27-2009, 01:40 PM   #1
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nortron elecfric furnace 21b25


furnace trips breaker every couple days checked voltage and amperage can't find problem. no burnt wires or smell from furnace any ideas on what problem could be

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Old 02-27-2009, 01:42 PM   #2
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nortron elecfric furnace 21b25


Old/faulty breaker? Hard to tell without knowing what the furnace draws and the breaker size you have now!

Gary

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Old 02-27-2009, 01:50 PM   #3
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nortron elecfric furnace 21b25


Breaker and furnace 2 years old at start up draws 88 amps then drops to77
breaker is 125 federal

Last edited by loicfeu; 02-27-2009 at 01:58 PM. Reason: forgot to incude breaker amperage
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Old 02-27-2009, 02:08 PM   #4
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nortron elecfric furnace 21b25


125

How big are the wires? I seriously think this is too big for the furnace.

Federal? Which one? Is it the stab-lok type?

How to identify stab lok breakers.
http://www.inspect-ny.com/fpe/fpeid.htm

Probably a split bus panel...so what turns off when the breaker trips?

Last edited by rgsgww; 02-27-2009 at 02:14 PM.
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Old 02-27-2009, 02:18 PM   #5
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nortron elecfric furnace 21b25


sta block breaker wire size 2/2 300 volts

LOIC
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