KST-57D53-M-0003 1.8° Stepper Motor, 4.2A Rated Current, 2.0N·m Holding Torque, 57mm Frame Size

The KST-57D53-M-0003 is a high-performance stepper motor that provides precise motion control for applications requiring stability and accuracy. With a 1.8° step angle and a holding torque of 2.0N·m, it delivers superior performance in CNC machines, automated robotics, 3D printers, and other motion control systems.

Operating at a rated current of 4.2A, this motor has phase resistance of 0.65Ω ± 15% and phase inductance of 2.0mH ± 20% at 1KHz, 1Vrms, making it well-suited for medium to high-load tasks. The insulation class is Class B, ensuring durability and reliable performance in demanding environments. It has a driving voltage of 24V and can withstand an insulation voltage of 500V A.C. for 1 minute.

The motor’s moment of inertia is 480g·cm², providing a balanced performance-to-load ratio. With a weight of 1.55kg and housed in a 57mm frame size, this stepper motor is designed to meet the needs of industrial automation systems where precision and reliability are critical.