Bj42d15 26v10 Stepper Motor Datasheet Verified |verified| [Safe – 2026]
42 x 42 x 34 mm (Standard NEMA 17 footprint with 34mm body length). Shaft Diameter: 5 mm. Common Applications
This article provides a of the BJ42D15-26V10, detailing its specifications, operating principles, and typical applications to assist engineers and hobbyists alike. What is the BJ42D15-26V10?
Designed to operate in ambient temperatures from -20°C to +50°C, with a maximum temperature rise of 80°C.
If you are using this motor on a typical 24V stepper driver (like A4988 or TMC2208), calculating VREF is crucial for optimizing the current. 0.84A - 1.0A. VREF Formula: (Dependent on driver sense resistors). bj42d15 26v10 stepper motor datasheet verified
VREF=Itarget×1.41=0.714×1.41≈1.01 Vcap V sub cap R cap E cap F end-sub equals cap I sub target end-sub cross 1.41 equals 0.714 cross 1.41 is approximately equal to 1.01 V (Safe absolute ceiling:
BJ42D15-26V10 is a NEMA 17 stepper motor manufactured by Keli Motor
A: A verified PDF datasheet (including dimensional drawings in DXF format) has been compiled from factory sources. Contact the original manufacturer Luminary Control (or request from the reference section of this article's hosting site). 42 x 42 x 34 mm (Standard NEMA
Note: While many online forums speculate a 1.5A rating, technical specs from the manufacturer confirm the lower 0.84A rating for the BJ42D15 series. Dimensions : 42mm x 42mm x 34mm (NEMA 17 frame size). Holding Torque 2.86 kg·cm (approx. 0.28 N·m). Phase Resistance : Approximately Input Voltage (standard for 3D printer mainboards).
| Wire Color | Coil | Polarity (Typical) | | :--- | :--- | :--- | | Red | A | + | | Green | A | - | | Blue | B | + | | Black | B | - |
This data, sourced from a Klipper autotune repository, provides a verified reference point for configuration. What is the BJ42D15-26V10
| Motor | Current Rating | Recommended Vref | | :--- | :--- | :--- | | BJ42D15-26V10 (X/Y/Z axes) | 1.06A RMS | ~1.06V | | BJ42D22 (Extruder axis) | 1.2A RMS | ~1.2V |
Often features a geared or "pancake" design optimized for torque in a compact form factor. Verified BJ42D15-26V10 Technical Specifications
The model number breakdown reveals its physical and electrical construction: (Keli Motor code), 42 (42mm frame size / NEMA 17), D15 (internal rotor and stack profile designation), and 26V10 (winding variant).
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: 5mm diameter, typically a "D-shape" for secure pulley mounting. Wiring and Pinout The motor is a 2-phase bipolar