ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)
The RKII Series offers significant improvements in stepper motor performance, driver operation and functions. The Built-in Controller reduces the burden on the programmable PLC because the information necessary for motor operation is built into the driver. This simplifies the system configuration for multi-axis control.
*Connection cables required
Item # |
Basic Step Angle |
Frame Size |
Motor Length |
Speed-Torque Characteristics |
Holding Torque |
Shaft/Gear Type |
Gear Ratio (X:1) |
Encoder |
Shaft |
Electromagnetic Brake |
Power Supply |
Encoder Output |
Web Price |
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RKS543AAD | - 0.72º | - 1.65 in | - 1.34 in. |
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- 19.80 oz-in | - Round Shaft (No Gearhead) | - | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS544AAD | - 0.72º | - 1.65 in | - 1.57 in. |
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- 29 oz-in | - Round Shaft (No Gearhead) | - | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS545AAD | - 0.72º | - 1.65 in | - 1.81 in. |
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- 38 oz-in | - Round Shaft (No Gearhead) | - | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-HS50 | - 0.0144º | - 1.65 in | - 1.34 in. |
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- 480 oz-in | - Harmonic Gear | - 50 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-HS100 | - 0.0072º | - 1.65 in | - 1.34 in. |
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- 704 oz-in | - Harmonic Gear | - 100 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS545AAD-PS5 | - 0.144º | - 1.65 in | - 1.81 in. |
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- 140.80 oz-in | - Planetary Gear | - 5 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS545AAD-PS7.2 | - 0.1º | - 1.65 in | - 1.81 in. |
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- 211.20 oz-in | - Planetary Gear | - 7.2 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS545AAD-PS10 | - 0.072º | - 1.65 in | - 1.81 in. |
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- 211.20 oz-in | - Planetary Gear | - 10 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-PS25 | - 0.0288º | - 1.65 in | - 1.34 in. |
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- 352 oz-in | - Planetary Gear | - 25 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-PS36 | - 0.02º | - 1.65 in | - 1.34 in. |
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- 416 oz-in | - Planetary Gear | - 36 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-PS50 | - 0.0144º | - 1.65 in | - 1.34 in. |
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- 416 oz-in | - Planetary Gear | - 50 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-TS3.6 | - 0.2º | - 1.65 in | - 1.34 in. |
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- 70.40 oz-in | - Spur Gear (Offset Shaft) | - 3.6 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-TS7.2 | - 0.1º | - 1.65 in | - 1.34 in. |
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- 140.80 oz-in | - Spur Gear (Offset Shaft) | - 7.2 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-TS10 | - 0.072º | - 1.65 in | - 1.34 in. |
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- 196.80 oz-in | - Spur Gear (Offset Shaft) | - 10 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-TS20 | - 0.036º | - 1.65 in | - 1.34 in. |
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- 283.20 oz-in | - Spur Gear (Offset Shaft) | - 20 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543AAD-TS30 | - 0.024º | - 1.65 in | - 1.34 in. |
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- 320 oz-in | - Spur Gear (Offset Shaft) | - 30 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 100-120 VAC | - | Request Quote |
RKS543ACD | - 0.72º | - 1.65 in | - 1.34 in. |
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- 19.80 oz-in | - Round Shaft (No Gearhead) | - | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS544ACD | - 0.72º | - 1.65 in | - 1.57 in. |
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- 29 oz-in | - Round Shaft (No Gearhead) | - | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS545ACD | - 0.72º | - 1.65 in | - 1.81 in. |
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- 38 oz-in | - Round Shaft (No Gearhead) | - | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS543ACD-HS50 | - 0.0144º | - 1.65 in | - 1.34 in. |
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- 480 oz-in | - Harmonic Gear | - 50 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS543ACD-HS100 | - 0.0072º | - 1.65 in | - 1.34 in. |
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- 704 oz-in | - Harmonic Gear | - 100 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS545ACD-PS5 | - 0.144º | - 1.65 in | - 1.81 in. |
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- 140.80 oz-in | - Planetary Gear | - 5 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS545ACD-PS7.2 | - 0.1º | - 1.65 in | - 1.81 in. |
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- 211.20 oz-in | - Planetary Gear | - 7.2 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS545ACD-PS10 | - 0.072º | - 1.65 in | - 1.81 in. |
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- 211.20 oz-in | - Planetary Gear | - 10 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |
RKS543ACD-PS25 | - 0.0288º | - 1.65 in | - 1.34 in. |
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- 352 oz-in | - Planetary Gear | - 25 :1 | - Not Equipped | - Single | - Not Equipped | - Single-Phase 200-240 VAC | - | Request Quote |