Bj42d15 26v10 Stepper Motor Datasheet [hot]

BJ42D15-26V10 is a NEMA 17 hybrid stepper motor manufactured by Keli Motor Group

🌡️ Thermal Management

At 1.0 Amps, this small motor will get warm (around 50°C - 60°C) after extended use. This is completely normal and safe (the insulation class is 130°C). However, if you accidentally set your driver to 2.0A, the motor will overheat, the magnets will demagnetize, and the motor will permanently lose torque. Double-check your current limit. bj42d15 26v10 stepper motor datasheet

2. Constant Voltage Driver (Recommended)

• ST L297/L298 Combo: Classic chopper driver. Set current limit to exactly 1.0A.
• TB6600 (Specific Mode): Set DIP switches to 1.0A current rating (if available).
• DM320T (Leadshine): Excellent match for NEMA 17 high-resistance motors.

Applications for the BJ42D15 26V10

Given its specific 26V/26 Ohm profile, where does this motor excel? BJ42D15-26V10 is a NEMA 17 hybrid stepper motor

The BJ42D15-26V10 is a NEMA 17 stepper motor manufactured by Hunan Keli Motor Co. and is commonly used as a stock component in Creality 3D printers, such as the Ender-3 series. Technical Specifications ST L297/L298 Combo: Classic chopper driver

Standard Color Coding (OEM):

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