BRAND : OS SERIES COMPUMOTOR MODEL : OS21A-SNFLY DESCRIPTION : Stepper motors are DC motors that move in discrete steps. They have multiple coils that are organized in groups called "phases". By energizing each phase in sequence, the motor will rotate, one step at a time. With a computer controlled stepping you can achieve very precise positioning and/or speed control. SPECIFICATION : VDE0530-61 EN60034-1 BIPOLAR SERIES Is(dc, rms) :3.7   A  BIPOLAR SERIES Po: 60W   ?T:90`C MAX   Vs(dc, rms) : 40V W: 1500 RPM  AMBIENT : 40`C   Weight : 0.64 kg CONDITION : USED *TESTED , GOOD RUNNING CONDITION ( PRICE AS PER FOB PRICE ) ( PRICE IS NEGOTIABLE )