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

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