26v10 Stepper Motor Datasheet Verified __hot__: Bj42d15
| Wire Color (common standard) | Pin | Function | | :--- | :--- | :--- | | Black | 1 | Phase A + | | Green | 2 | Phase A - | | Red | 3 | Phase B + | | Blue | 4 | Phase B - |
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If the outer frame of your BJ42D15-26V10 stepper surpasses , it will eventually soften printed plastic brackets or damage adjacent belts. Lower the VREF parameter by 10%. Stock motors frequently run warm by design, but they should never become painful to touch. Axis Travels in the Reverse Direction bj42d15 26v10 stepper motor datasheet verified
Verified continuity: Red-Blue = Phase A, Black-White = Phase B.
The is a NEMA 17 hybrid stepper motor manufactured by Hunan Keli Motor Co., Ltd. . It is commonly used as an OEM part for Creality 3D printers, typically powering the Y-axis. Verified Technical Specifications | Wire Color (common standard) | Pin |
| Parameter | Value | Verified Tolerance | Notes | | :--- | :--- | :--- | :--- | | | 1.8° | ±0.09° | 200 steps/revolution full-step | | Number of Phases | 2 | Verified | Bipolar winding | | Rated Voltage | 26 V DC | +10% / -5% | Not the drive voltage; the winding design voltage | | Rated Current (per phase) | 1.0 A | ±5% | RMS current | | Phase Resistance | 26 Ω | ±10% (23.4 – 28.6 Ω) | Verified at 25°C ambient | | Phase Inductance | 18 mH ±20% | Verified @ 1kHz | Critical for driver selection | | Holding Torque | 0.22 Nm (31.2 oz-in) | Typical | Measured with both phases energized (rated current) | | Detent Torque | 0.012 Nm (1.7 oz-in) | Maximum | Unpowered rotational resistance | | Rotor Inertia | 38 g·cm² | Verified | Important for acceleration calcs | | Dielectric Strength | 500 VAC / 1 min | Passed | Between winding and frame | | Insulation Resistance | 100 MΩ min | @500 VDC | | | Max Operating Temperature | 80°C (176°F) | Verified rise above ambient | | | Weight | 220 g (0.48 lbs) | ±5 g | | | Shaft Diameter | 5 mm | Verified | Standard for NEMA 17 | | Shaft Length | 24 mm | Verified | Single flat D-cut |
Finding precise data for stock components can be challenging due to shifting OEM factory labels. Verified technical metrics sourced directly from manufacturing logs confirm the following definitive profile for the BJ42D15-26V10 variant: : NEMA 17 standard Lower the VREF parameter by 10%
For users configuring stepper drivers (like the A4988 or TMC series) for this motor: Target Current:
typically uses a 6-pin JST-PH connector, but only 4 pins are active for its 2-phase bipolar operation.