Eric,
Hope I have the right reply edit/update to an earlier post!
Oops, apologies I meant 2.2kW continuous for me running 24V direct drive, which relates to about 100Amp continuous at the motor which is fine at our UK ambient temps, using 25,6V nominal lithium as opposed to 24V lead (gives a tad more voltage at motor and less voltage sag which is nice for V vs A balance/efficiency).
Having said that I bought a less expensive 80A continuous controller, 250A peak as I only ever run up to 1600W continuous measured at the battery and the headroom is for burst speeds/manouvering. Had I wanted more I'd have chosen the M (Medium format as opposed to S (Small) which would have allowed running at half continuous controller rating which would have been nice:
PMT445M 24-48V 450A / 60s Peak 180A Continuous
PMT425S 24-48V 250A / 20s Peak 80A Continuous
Ref: http://www.cw-industrialgroup.com/Products/Motor-Controllers-Industrial-Vehicles/Sigmadrive/Induction-Motor-Controller.aspx
John R
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