Well pumps and SWs [RE-wrenches]

[Christopher Freitas - OutBack Power]

Assuming you are using a single SW5548 - it is very marginaly.

The "locked rotor amps" off the Franklin Electric chart says 34.2 amps @ 
240 vac - so it would be 68 amps+ on the 120 VAC side.  This puts it 
very close to the 78 amp RMS output limit on the SW series.  Might work 
- but what about when the wash machine or microwave is running?  

Here is a good site to reference for pump motor specs:  

http://www.h2oguy.com/pumpsys/feelecspec1ph.html

Running a step-up T-240 transformer for the other well pump is not out 
of the question - but a second inverter would be another option. I am 
sure you could put in another switch (float or pressure) that would then 
power up the transformer and pump with 240 VAC and then its control 
would engage.   

Christopher Freitas
OutBack Power Systems, Inc.
cfreitas at outbackpower.com  www.outbackpower.com
Tel 360 435 6030  Arlington WA USA

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