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Re: (ET) Alltrax controller!



Just a note, the Elec-trak charger can take a pack up to 45 volts max. Thus whatever you put on the buss should be able to handle 45 volts.

I wonder how high things get with a fresh pack and regen. Probably 42-43 volts.

Chris


the following:

The Alltrax controller you have in there is designed for an operating

voltage range of 24-48 volts.  The onboard charger on the tractor charges 
at

40 volts to be above the 36V nominal battery level, and the battery pack

only draws about 15A when they're low and charging, so the controller 
should

be OK.  As a precaution, though, I recommend leaving the main manual

contactor (switch) off when charging. Alltrax is primarily concerned about

48V systems where the charge voltage may be 54V or so.

I interpret this to be turning the key switch off and the disconnect engaged when charging the batteries.

Bob

//Bob Kleinbrahm//

//Senior Network Engineer//

//First Republic Bank//

//San Francisco////, CA. 94111//

//415 288-1478//

rkleinbrahm firstrepublic com <mailto:rkleinbrahm firstrepublic com>



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