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3340_0 42STH38 NEMA-17 Bipolar Precision Gearless Stepper

Product Code: 3340
Excl. VAT: £18.22 Incl. VAT: £21.86
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This NEMA-17 motor generates 3.6 Kg-cm of holding torque at 1.7 Amps. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

This NEMA-17 motor generates 3.6 Kg-cm of holding torque at 1.7 Amps. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler

This motor is particulary suited for precision applications due to its 0.9° step angle.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3340 has a maximum speed of 2344 RPM.

The 3340 stepper motor connects to a bipolar motor controller such as the 1067 - PhidgetStepper Bipolar HC.

The following table shows how to connect the motor wires to the board connectors 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.

 

Wire Color  Black  Green  Red  Blue 
Board Connector 

Note: Make sure to unplug the power cord from the motor controller before switching wires around.


The rear shaft of this motor can be equipped with the HKT22 Optical Encoder for applications where you need to keep track of the exact position, velocity, or acceleration of the motor.

The mounting holes on this motor are compatible with the 3338 - Mounting Bracket (NEMA17).

Motor Properties

Motor Type Bipolar Stepper
Manufacturer Part Number 42STH38-1684MB-12
Step Angle 0.9°
Step Accuracy ± 5 %
Holding Torque 3.6 kg·cm
Rated Torque 3.3 kg·cm
Maximum Speed (w/1067 Motor Controller) 2344 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
1E+06 1/16 steps/sec²

 

Electrical Properties

Recommended Voltage 12 V DC
Rated Current 1.7 A
Coil Resistance 1.7 Ω
Phase Inductance 4.1 mH

 

Physical Properties

Shaft Diameter 5 mm
Rear Shaft Diameter 3.9 mm
Mounting Plate Size NEMA - 17
Weight 288 g
Number of Leads 4
Wire Length 300 mm

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3340_0 - 42STH38 NEMA-17 Bipolar Precision Gearless Stepper
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