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.
*Includes 9.8 ft. (3 m) cable
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 |
UPC Code |
Add To Cart/Request Quote |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RKS543AAD-3 | Basic Step Angle N/A 0.72º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque N/A 19.8 oz-in0.14 N·m | Shaft/Gear Type N/A Round Shaft (No Gearhead) | Gear Ratio (X:1) N/A | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $585.00 | UPC Code N/A |
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Request Quote |
| RKS544AAD-3 | Basic Step Angle N/A 0.72º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.57 in.40 mm |
Speed-Torque Characteristics
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Holding Torque N/A 29 oz-in0.21 N·m | Shaft/Gear Type N/A Round Shaft (No Gearhead) | Gear Ratio (X:1) N/A | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $586.00 | UPC Code N/A |
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Request Quote |
| RKS545AAD-3 | Basic Step Angle N/A 0.72º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 38 oz-in0.27 N·m | Shaft/Gear Type N/A Round Shaft (No Gearhead) | Gear Ratio (X:1) N/A | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $595.00 | UPC Code N/A |
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Request Quote |
| RKS543AAD-HS50-3 | Basic Step Angle N/A 0.0144º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque N/A 480 oz-in3.5 N·m | Shaft/Gear Type N/A Harmonic Gear | Gear Ratio (X:1) N/A 50 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $1,397.00 | UPC Code N/A |
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| RKS543AAD-HS100-3 | Basic Step Angle N/A 0.0072º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque N/A 704 oz-in5 N·m | Shaft/Gear Type N/A Harmonic Gear | Gear Ratio (X:1) N/A 100 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $1,397.00 | UPC Code N/A |
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Request Quote |
| RKS545AAD-PS5-3 | Basic Step Angle N/A 0.144º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 140.8 oz-in1 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 5 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $965.00 | UPC Code N/A |
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Request Quote |
| RKS545AAD-PS7.2-3 | Basic Step Angle N/A 0.1º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
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Holding Torque N/A 211.2 oz-in1.5 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 7.2 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $965.00 | UPC Code N/A |
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Request Quote |
| RKS545AAD-PS10-3 | Basic Step Angle N/A 0.072º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 211.2 oz-in1.5 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 10 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $965.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS543AAD-PS25-3 | Basic Step Angle N/A 0.0288º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 352 oz-in2.5 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 25 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $1,023.00 | UPC Code N/A |
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Request Quote |
| RKS543AAD-PS36-3 | Basic Step Angle N/A 0.02º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque N/A 416 oz-in3 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 36 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $1,023.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS543AAD-PS50-3 | Basic Step Angle N/A 0.0144º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 416 oz-in3 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 50 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $1,023.00 | UPC Code N/A |
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Request Quote |
| RKS543AAD-TS3.6-3 | Basic Step Angle N/A 0.2º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque N/A 70.4 oz-in0.5 N·m | Shaft/Gear Type N/A Spur Gear (Offset Shaft) | Gear Ratio (X:1) N/A 3.6 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $764.00 | UPC Code N/A |
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Request Quote |
| RKS543AAD-TS7.2-3 | Basic Step Angle N/A 0.1º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 140.8 oz-in1 N·m | Shaft/Gear Type N/A Spur Gear (Offset Shaft) | Gear Ratio (X:1) N/A 7.2 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $764.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS543AAD-TS10-3 | Basic Step Angle N/A 0.072º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 196.8 oz-in1.4 N·m | Shaft/Gear Type N/A Spur Gear (Offset Shaft) | Gear Ratio (X:1) N/A 10 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $782.00 | UPC Code N/A |
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Request Quote |
| RKS543AAD-TS20-3 | Basic Step Angle N/A 0.036º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 283.2 oz-in2 N·m | Shaft/Gear Type N/A Spur Gear (Offset Shaft) | Gear Ratio (X:1) N/A 20 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $782.00 | UPC Code N/A |
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Request Quote |
| RKS543AAD-TS30-3 | Basic Step Angle N/A 0.024º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
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Holding Torque N/A 320 oz-in2.3 N·m | Shaft/Gear Type N/A Spur Gear (Offset Shaft) | Gear Ratio (X:1) N/A 30 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 100-120 VAC | Encoder Output N/A | $782.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS543ACD-3 | Basic Step Angle N/A 0.72º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 19.8 oz-in0.14 N·m | Shaft/Gear Type N/A Round Shaft (No Gearhead) | Gear Ratio (X:1) N/A | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $585.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS544ACD-3 | Basic Step Angle N/A 0.72º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.57 in.40 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 29 oz-in0.21 N·m | Shaft/Gear Type N/A Round Shaft (No Gearhead) | Gear Ratio (X:1) N/A | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $586.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS545ACD-3 | Basic Step Angle N/A 0.72º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 38 oz-in0.27 N·m | Shaft/Gear Type N/A Round Shaft (No Gearhead) | Gear Ratio (X:1) N/A | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $595.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS543ACD-HS50-3 | Basic Step Angle N/A 0.0144º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 480 oz-in3.5 N·m | Shaft/Gear Type N/A Harmonic Gear | Gear Ratio (X:1) N/A 50 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $1,397.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS543ACD-HS100-3 | Basic Step Angle N/A 0.0072º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 704 oz-in5 N·m | Shaft/Gear Type N/A Harmonic Gear | Gear Ratio (X:1) N/A 100 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $1,397.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS545ACD-PS5-3 | Basic Step Angle N/A 0.144º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 140.8 oz-in1 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 5 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $965.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS545ACD-PS7.2-3 | Basic Step Angle N/A 0.1º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 211.2 oz-in1.5 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 7.2 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $965.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS545ACD-PS10-3 | Basic Step Angle N/A 0.072º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.81 in.46 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 211.2 oz-in1.5 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 10 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $965.00 | UPC Code N/A |
Add To Cart
Request Quote |
| RKS543ACD-PS25-3 | Basic Step Angle N/A 0.0288º | Frame Size N/A 1.65 in42 mm | Motor Length N/A 1.34 in.34 mm |
Speed-Torque Characteristics
![]() |
Holding Torque N/A 352 oz-in2.5 N·m | Shaft/Gear Type N/A Planetary Gear | Gear Ratio (X:1) N/A 25 :1 | Encoder N/A Not Equipped | Shaft N/A Single | Electromagnetic Brake N/A Not Equipped | Power Supply N/A Single-Phase 200-240 VAC | Encoder Output N/A | $1,023.00 | UPC Code N/A |
Add To Cart
Request Quote |