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ChooChooMan74's avatar
ChooChooMan74
Explorer
Nov 13, 2015

Good Read about Circuit Breakers (Debunking Myths)

My last camping trip for Halloween weekend, I brought 2 electric heaters with me. I plugged one into a regular wall outlet, and one into the outlet for the electric hot water heater (I would swap out...
kellertx5er's avatar
kellertx5er
Explorer
Nov 13, 2015
road-runner wrote:
The breaker's thermal overload trip current is specified at 104 degrees F and is greater when the temperature is lower, which would be case when wanting to run a heater. The following document has current vs. temperature graphs on page 6, and the complete trip curves starting on page 19.

http://www.schneider-electric.com.mx/documents/local/qo.pdf


Good reference except ignore the curve on p. 19, it is incomplete. The 'real' curves start on p. 20.

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