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RS Series Stepper Motors
FEATURES:
- Extrememly high power to weight ratio
- Superior linearity ( better microstep accuracy )
- Low audible noise
- Less torque drop at upper speeds
REXSTEP RS step motors feature an improved stator design wherein geometries are altered for greater torque output than other 2-phase step motors of comparable length.
The exceptional static torque profile makes it possible to use shorter motors than before in a given application. Since shorter motors inherently produce better speed vs. torque characteristics due to lower resistance and inductance, the net result is an ability to push same loads at higher speeds or higher loads at same speeds. This makes REXSTEP RS steppers good candidates for some applications currently beholden to servos.
The new stator design also features improved linearity, the characteristic most influential on microstepping accuracy. The better the motor’s linearity, the lesser tendency there is for microsteps to stretch and compress. The RS motors rightly deserve the classification, “Microstep Optimized”. Additionally, the motors are surprisingly quiet in comparison to other stepper motors.
Nema 23
370 oz/in Stepper Motor Model # RS23-370
Single Shaft: $59.00
Dual Shaft: $62.00
CONNECTION
| SERIES
| PARALLEL
| UNIPOLAR
| PHASE
| 2 Phase
| 2 Phase
| 2 Phase
| STEP ANGLE
| 1.8 +/- 5%
| 1.8 +/- 5% | 1.8 +/- 5% | VOLTAGE
| 3.75 V
| 1.9 V
| 2.7 V
| CURRENT
| 2.5 A/phase
| 5.0 A/phase
| 3.5 A/phase
| RESISTANCE
| 1.5 +/- 10% ohm/phase
| 0.38 +/- 10% ohm/phase
| 0.76 +/-10% ohm/phase
| INDUCTANCE
| 6.6 +/- 20% mH/phase
| 1.65 +/- 20% mH/phase
| 1.65 +/- 20% mH/phase
| HOLDING TORQUE
| 366 oz/in
(260 N.cm)
| 366 oz/in
(260 N.cm)
| 300 oz/in
(208 N.cm)
| INSULATION CLASS
| B
| B
| B
| LEAD STYLE
| FF46-1/0.5
| FF46-1/0.5 | FF46-1/0.5 | NO. OF LEADS
| 8
| 8
| 8
| WEIGHT
| 2.8 LBS
| 2.8 LBS
| 2.8 LBS
|
570 oz/in Stepper Motor Model # RS23-570
Single Shaft: $73.00 - TEMPORARILY OUT OF STOCK
Dual Shaft: $76.00 - TEMPORARILY OUT OF STOCK
CONNECTION
| SERIES
| PARALLEL
| UNIPOLAR
| PHASE
| 2 Phase
| 2 Phase
| 2 Phase
| STEP ANGLE
| 1.8 deg +/- 5%
| 1.8 deg +/- 5% | 1.8 deg +/- 5% | VOLTAGE
| 5.0 V
| 2.5 V
| 3.5 V
| CURRENT
| 2.5 A/phase
| 5.0 A/phase
| 3.5 A/phase
| RESISTANCE
| 2 +/- 10% ohm/phase
| 0.5 +/- 10% ohm/phase | 1 +/- 10% ohm/phase | INDUCTANCE
| 9.2 +/- 20 % mH/phase
| 2.3 +/- 20 % mH/phase
| 2.3 +/- 20% mH/phase
| HOLDING TORQUE
| 567 oz/in
(400 N.cm)
| 567 oz/in
(400 N.cm)
| 420 oz/in
(320 N.cm)
| INSULATION CLASS
| B
| B
| B
| LEAD STYLE
| FF46-1/0.5
| FF46-1/0.5
| FF46-1/0.5
| NUMBER OF LEADS
| 8
| 8
| 8
| WEIGHT
| 4.2 LBS
| 4.2 LBS
| 4.2 LBS
|
Nema 34
600 oz/in Stepper Motor Model # RS34-600 Single Shaft: $110.00 Dual Shaft: $115.00
CONNECTION
| SERIES
| PARALLEL
| UNIPOLAR
| PHASE
| 2 Phase
| 2 Phase
| 2 Phase
| STEP ANGLE
| 1.8 +/- 5% | 1.8 +/- 5%
|
1.8 +/- 5%
| VOLTAGE
| 3.7 V
| 1.82 V
| 2.6 V
| CURRENT
| 3.5 A/phase
| 7.0 A/phase
| 5.0 A/phase
| RESISTANCE
| 1.06 +/- 10% ohms/phase | 0.26 +/- 10% ohms/phase | 0.53 +/- 10% ohms/phase
| INDUCTANCE
| 4.8 +/- 20% mH/phase | 1.2 +/- 20% mH/phase | 1.2 +/- 20% mH/phase
| HOLDING TORQUE
| 596 oz/in
(420 N.cm) | 596 oz/in
(420 N.cm) | 453 oz/in
(320 N.cm)
| INSULATION CLASS
| B
| B
| B
| LEAD STYLE
| FF46-1/0.5 | FF46-1/0.5 | FF46-1/0.5
| NUMBER OF LEADS
| 8
| 8
| 8
| WEIGHT
| 4.8 LBS
| 4.8 LBS
| 4.8 LBS
|
960 oz/in Stepper Motor Model # RS34-960 Single Shaft: $129.00 Dual Shaft: $134.00
CONNECTION
| SERIES
| PARALLEL
| UNIPOLAR
| PHASE
| 2 Phase
| 2 Phase
| 2 Phase
| STEP ANGLE
| 1.8 +/- 5% | 1.8 +/- 5%
|
1.8 +/- 5%
| VOLTAGE
| 4.3 V
| 2.2 V
| 3.1 V
| CURRENT
| 3.5A/phase
| 7.0 A/phase
| 5.0 A/phase
| RESISTANCE
| 1.24 +/- 10% ohms/phase | 0.31+/- 10% ohms/phase | 0.62+/- 10% ohms/phase
| INDUCTANCE
| 8 +/- 20% mH/phase | 2 +/- 20% mH/phase | 2 +/- 20% mH/phase
| HOLDING TORQUE
| 961 oz/in
(680 N.cm) | 961 oz/in
(680 N.cm) | 736 oz/in
(520 N.cm)
| INSULATION CLASS
| B
| B
| B
| LEAD STYLE
| FF46-1/0.5 | FF46-1/0.5 | FF46-1/0.5
| NUMBER OF LEADS
| 8
| 8
| 8
| WEIGHT
| 6.1 LBS
| 6.1 LBS
| 6.1 LBS
|
1290 oz/in Stepper Motor Model # RS34-1290 Single Shaft: $149.00
Dual Shaft: $154.00
CONNECTION
| SERIES
| PARALLEL
| UNIPOLAR
| PHASE
| 2 Phase
| 2 Phase
| 2 Phase
| STEP ANGLE
| 1.8 +/- 5% | 1.8 +/- 5%
|
1.8 +/- 5%
| VOLTAGE
| 4.2 V
| 2.2 V
| 3.1 V
| CURRENT
| 4.0A/phase
| 8.0 A/phase
| 6.0 A/phase
| RESISTANCE
| 1.04 +/- 10% ohms/phase | 0.26+/- 10% ohms/phase | 0.52+/- 10% ohms/phase
| INDUCTANCE
| 8 +/- 20% mH/phase | 2 +/- 20% mH/phase | 2 +/- 20% mH/phase
| HOLDING TORQUE
| 1289 oz/in
(910 N.cm) | 1289 oz/in
(910 N.cm) | 991oz/in
(700 N.cm)
| INSULATION CLASS
| B
| B
| B
| LEAD STYLE
| FF46-1/0.5 | FF46-1/0.5 | FF46-1/0.5
| NUMBER OF LEADS
| 8
| 8
| 8
| WEIGHT
| 7.3 LBS
| 7.3 LBS
| 7.3 LBS
|
1840 oz/in Stepper Motor Model # RS34-1840 Single Shaft: $219.00 Dual Shaft: $224.00
CONNECTION
| SERIES
| PARALLEL
| UNIPOLAR
| PHASE
| 2 Phase
| 2 Phase
| 2 Phase
| STEP ANGLE
| 1.8 +/- 5% | 1.8 +/- 5%
|
1.8 +/- 5%
| VOLTAGE
| 5.2 V
| 2.6 V
| 3.19 V
| CURRENT
| 4.0A/phase
| 8.0 A/phase
| 6.0 A/phase
| RESISTANCE
| 1.3 +/- 10% ohms/phase | 0.33+/- 10% ohms/phase | 0.65+/- 10% ohms/phase
| INDUCTANCE
| 12 +/- 20% mH/phase | 3.0 +/- 20% mH/phase | 3 +/- 20% mH/phase
| HOLDING TORQUE
| 1840 oz/in
(1300 N.cm) | 1840 oz/in
(1300N.cm) | 1416 oz/in
(1000 N.cm)
| INSULATION CLASS
| B
| B
| B
| LEAD STYLE
| FF46-1/0.5 | FF46-1/0.5 | FF46-1/0.5
| NUMBER OF LEADS
| 8
| 8
| 8
| WEIGHT
| 8.8 LBS
| 8.8 LBS
| 8.8 LBS
|
2550 oz/in Stepper Motor Model # RS34-2550 Single Shaft Only: $259.00
CONNECTION
| SERIES
| PARALLEL
| UNIPOLAR
| PHASE
| 2 Phase
| 2 Phase
| 2 Phase
| STEP ANGLE
| 1.8 +/- 5% | 1.8 +/- 5%
|
1.8 +/- 5%
| VOLTAGE
| 6.6V
| 3.3 V
| 4.9 V
| CURRENT
| 4.0A/phase
| 8.0 A/phase
| 6.0 A/phase
| RESISTANCE
| 1.64+/- 10% ohms/phase | 0.41+/- 10% ohms/phase | 0.82+/- 10% ohms/phase
| INDUCTANCE
| 17.2 +/- 20% mH/phase | 4.3 +/- 20% mH/phase | 4.3 +/- 20% mH/phase
| HOLDING TORQUE
| 2550 oz/in
(1800 N.cm) | 2550 oz/in
(1800 N.cm) | 1841oz/in
(1300 N.cm)
| INSULATION CLASS
| B
| B
| B
| LEAD STYLE
| FF46-1/0.5 | FF46-1/0.5 | FF46-1/0.5
| NUMBER OF LEADS
| 8
| 8
| 8
| WEIGHT
| 12.5 LBS
| 12.5 LBS
| 12.5 LBS
|
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