KST-57D33-0011 1.8° Stepper Motor, 4.2A Rated Current, 1.1N·m Holding Torque, 57mm Frame Size

The KST-57D33-0011 is a 57mm frame size stepper motor that delivers precise control with a 1.8° step angle and a 4.2A rated current. This motor is ideal for a wide range of applications such as industrial automation, CNC machines, 3D printers, and robotics, where accurate positioning and high torque are required.

This motor provides an impressive holding torque of 1.1N·m, ensuring reliability and performance in demanding tasks. It operates with two-phase excitation, offering excellent precision and smooth motion. With phase resistance of 0.4Ω ± 15% at 25°C and phase inductance of 1.4mH ± 20% at 1KHz, it delivers stable operation under various load conditions.

The insulation resistance of 100MΩ minimum (at 500V DC) and insulation withstand voltage of 500V A.C for 1 minute make it suitable for industrial-grade environments, providing robust protection against electrical damage. The insulation class is Class B, ensuring safe operation at higher temperatures.

Weighing only 600g with a rotor inertia of 280g·cm², the KST-57D33-0011 offers efficient torque output while minimizing mechanical load on the system.