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Traction Motors

Kostov™ EV motors & kits Traction Motors

SEPEX DC MOTORS FOR ELECTRIC VEHICLE CONVERSIONS Traction Motors

SEPEX DC MOTORS FOR ELECTRIC VEHICLE CONVERSIONS

Request SEPEX DC MOTORS FOR ELECTRIC VEHICLE CONVERSIONS Traction Motors

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The below motors are separate excitation (SepEx - please check our FAQ section for more info) versions of the classic Kostov EV line.
Due to the lack of high voltage SepEx controllers such motors have not gained popularity up to now.
This is slowly changing (there are already 120-128V SepEx controllers) and interest is picking up.
SepEx motors offer performance on par with "traditional" classic series models but have some advantages in addition:
-electrical reverse without directional contactors (via reversing the stator field).
-stable regeneration native to most SepEx controllers.
-motor does not spin up to destruction if left with no load.

Designation	Part Number	kW	RPM	Rotation	Voltage	Excitation	Duty	Frame size	IP	Outline drawings	Performance curves
Kostov 9" 80V SepEx	17R-32077	17.5	5400	REV	80 VDC	SepEx	S2-60	220mm	IP 21
Kostov 9" 120V SepEx	17R-32663	18.3	5500	REV	120 VDC	SepEx	S2-60	220mm	IP 21
Kostov 11" 168V SepEx	R20-31944	36	5600	REV	168 VDC	SepEx	S2-60	268mm	IP 21

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