NEMA23-03
The NEMA23-03 is a particularly powerful bipolar stepper motor designed for demanding motion and positioning tasks. Thanks to its robust NEMA 23 design, it is ideally suited for applications in automation, CNC, milling, and robotics, where high torque reserves are required.
With 200 steps per revolution and a step angle of 1.8°, the motor enables precise and controlled movement. This allows even heavy or mechanically stressed axes to be positioned reliably and with consistent repeatability.
The standout feature of the NEMA23-03 is its high holding torque of 3 Nm. This gives it significantly more power than more compact stepper motors and makes it particularly well-suited for applications that require high torque when stationary or at low speeds.
Measuring 56 × 56 × 101 mm, the motor is designed for high performance. The four open connection leads allow for flexible electrical integration and make the NEMA23-03 a versatile solution for performanceoriented machinery and automation projects.
Specifications
Shaft dimensions
Ø 7,5 x 32 mm (single shaft)
Specification
57SHD4934-34B
Connection
4 connecting cables with open ends
Steps per revolution
200
Holding torque
3 Nm
Step angle
1.8°
Rated voltage
8.4 V
Rated current
3 A
Amount of phases
2
Phase resistance
2.8 Ω
Phase inductivity
11 mH
Isolation resistance
Min. 100 MΩ at 500 V DC
Isolation class
B (130°)
Rotational inertia
650 g·cm²
Detent torque
0.1 Nm
Operating temperature
-10 - 50 °C
Additional information
Dimensions
56 x 56 x 101 mm
Weight
1,45 kg
Items shipped
NEMA23-03 stepper motor
EAN
42502368188801
Article No.
NEMA23-03