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DC Motor Speed

DC Motor Speed

DC Motor Speed

(OP)
I have GE DC motor - Name Plate reads:

HP 250, RPM 1150/2000, Volts 550, ARM amps 360, FLD Amps 6.07/2.0, FLD Volts 300

What does RPM 1150 / 2000 mean?  and Fld AMPS 6.07/2.0?

Would appreciate any help

Thanks

RE: DC Motor Speed

Full field is at 6.07A and produces 1150 RPM.  Field weakening can take the field down to 2.0A and increase the RPM to 2000.

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