3331_0 57STH56-2804B - 1.8 Degree - 2.8A Stepper - Gearless
This high-speed bipolar stepper with a rear shaft has a 1.8° step angle and 11 kg·cm of torque at low speeds.
This NEMA-23 motor generates 12.6 kg-cm of holding torque at 2.8 Amps. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler
Connection
This motor must be controlled by a constant current or chopper drive controller.
Warning
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Connecting the motor directly to a power supply will destroy the motor and void the warranty. If you want to check your motor make sure it is connected to a constant current / chopper drive controller. |
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Motor Properties |
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Motor Type |
Bipolar Stepper |
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Manufacturer Part Number |
57STH56-2804B |
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Step Angle |
1.8° |
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Step Accuracy |
± 5 % |
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Holding Torque |
12.6 kg·cm |
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Rated Torque |
11 kg·cm |
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Maximum Motor Speed |
2150 RPM |
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Electrical Properties |
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Recommended Voltage |
12 V DC |
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Rated Current |
2.8 A |
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Coil Resistance |
900 mΩ |
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Phase Inductance |
2.5 mH |
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Physical Properties |
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Shaft Diameter |
1⁄4″ |
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Rear Shaft Diameter |
3.9 mm |
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Mounting Plate Size |
NEMA - 23 |
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Weight |
686 g |
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Number of Leads |
4 |
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Wire Length |
300 mm |
This motor must be controlled by a stepper motor controller. This diagram shows how to connect the motor wires to the controller to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the red and blue wires.
Note: Make sure to unplug the power cord from the motor controller before switching wires around.
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