Bj42d15 26v10 Stepper Motor Datasheet Exclusive Jun 2026

A common misconception in internet forums is that these motors are built to safely pull up to

( I_RMS = I_max \times 0.707 = 1.5A \times 0.707 \approx 1.06A )

The BJ42D15-26V10 is a 42x42x34mm NEMA 17 hybrid stepper motor by Keli Motor Group, commonly utilized in Creality Ender 3 printers for X, Y, or Z axis movements. It features a 1.8-degree step angle, 0.84A rated current per phase, and 2.86 kg·cm holding torque. For optimal performance on Creality boards, Vref should be adjusted to approximately 0.725A–0.75A to avoid overheating. Creality Ender 3 Stock Factory Vref · GitHub bj42d15 26v10 stepper motor datasheet exclusive

The BJ42D15-26V10 is a "short stack" motor. Compared to the standard 40mm or 48mm tall NEMA 17 motors used for heavy-duty CNC work, this motor has lower torque but higher speed capabilities and lower inertia.

The is a specialist tool, not a generalist. It sacrifices holding torque for speed, efficiency, and thermal management. Its exclusive 26V/10Ω winding makes it a rare gem for battery-operated devices, high-speed light-load positioning, and low-heat environments. A common misconception in internet forums is that

BJ42D15-26V10 Stepper Motor Datasheet Exclusive: The Ultimate Engineering Guide The BJ42D15-26V10 stepper motor

Used for driving belts on machines like the Ender-3, CR-10, and Ender-5. 3D Printer Z-Axis: Used for precise lead screw motion. Creality Ender 3 Stock Factory Vref · GitHub

Whether you are diagnosing a faulty Y-axis on your Ender 3, building a custom CNC machine, or ordering a bulk batch for a new product, the BJ42D15-26V10 offers an unparalleled balance of cost, performance, and reliability.

The BJ42D15-26V10 typically uses a 6-pin JST-PH connector, though only 4 pins are active for its 2-phase operation. Creality Ender 3 Stock Factory Vref · GitHub

: 0.84A per phase. Note that many community sources incorrectly estimate this at 1.5A; using the correct 0.84A is vital for setting accurate VREF on stepper drivers. Holding Torque : 2.86 kg·cm (approximately 0.28 N·m). Input Voltage : Maximum 24V DC. Dimensions : Height of 34mm (often referred to as a "42-34" motor).