Oriental Motor

ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)

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The RKII Series offers significant improvements in stepper motor performance, driver operation and functions.
  • Constant Duty
  • Low Noise, Low Vibration
  • Compact Size
  • Easy Wiring
  • Geared Options
  • Resolution - 0.72º ~ 0.0.00288º [32 steps] (Microstep)
  • Single-phase 100-120 or 200-240 VAC
*Includes 9.8 ft. (3 m) cable
RKII Series
Unit of Measure
Items Stepper Motor
RKS543AA-3
Microstep Stepper Motor & Driver
Web Price Request Quote
 Stepper Motor
RKS544AA-3
Microstep Stepper Motor & Driver
Web Price Request Quote
 Stepper Motor
RKS545AA-3
Microstep Stepper Motor & Driver
Web Price Request Quote
 Stepper Motor
RKS543AA-HS50-3
Microstep Stepper Motor & Driver
Web Price Request Quote
 Stepper Motor
RKS543AA-HS100-3
Microstep Stepper Motor & Driver
Web Price Request Quote
Basic Step Angle - 0.72º - 0.72º - 0.72º - 0.0144º - 0.0072º
Frame Size - 1.65 in
Motor Length - 1.34 in. - 1.57 in. - 1.81 in. - 1.34 in. - 1.34 in.
Speed-Torque Characteristics -
 
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Holding Torque - 19.8 oz-in - 29 oz-in - 38 oz-in - 480 oz-in - 704 oz-in
Type - Standard - Standard - Standard - Geared - Geared
Shaft/Gear Type - Round Shaft (No Gearhead) - Round Shaft (No Gearhead) - Round Shaft (No Gearhead) - Harmonic Gear - Harmonic Gear
Gear Ratio (X:1) - - - - 50 :1 - 100 :1
Backlash -
Shaft - Single
Electromagnetic Brake - Not Equipped
Power Supply - Single-Phase 100-120 VAC
Current - 2.1 A - 1.9 A - 1.9 A - 2.1 A - 2.1 A
Permissible Speed Range (r/min) - - - - 0 ~ 70 - 0 ~ 35
Rotor Inertia - 0.164 oz-in² - 0.26 oz-in² - 0.35 oz-in² - 0.26 oz-in² - 0.26 oz-in²
Lost Motion - - - - 1.5 arc min maximum - 1.5 arc min maximum
Radial Load - 0 in. from Shaft End = 7.8 lb0.2 in. from Shaft End = 9.9 lb0.39 in. from Shaft End = 13 lb0.59 in. from Shaft End = 19.1 lb - 0 in. from Shaft End = 7.8 lb0.2 in. from Shaft End = 9.9 lb0.39 in. from Shaft End = 13 lb0.59 in. from Shaft End = 19.1 lb - 0 in. from Shaft End = 7.8 lb0.2 in. from Shaft End = 9.9 lb0.39 in. from Shaft End = 13 lb0.59 in. from Shaft End = 19.1 lb - 0 in. from Shaft End = 40 lb0.2 in. from Shaft End = 49 lb0.39 in. from Shaft End = 60 lb0.59 in. from Shaft End = 81 lb0.79 in. from Shaft End = 114 lb - 0 in. from Shaft End = 40 lb0.2 in. from Shaft End = 49 lb0.39 in. from Shaft End = 60 lb0.59 in. from Shaft End = 81 lb0.79 in. from Shaft End = 114 lb
Axial Load - 3.3 lb - 3.3 lb - 3.3 lb - 49 lb - 49 lb
Encoder Output -
Safety Standards - UL CE
UPC Code -