Bj42d15 26v10 Stepper Motor Datasheet !exclusive! May 2026

BJ42D15-26V10

The is a specific NEMA 17 stepper motor variant commonly found in Creality 3D printers, such as the Ender 3 series. A key "useful feature" for users is its 0.84A rated current , which is critical for correctly setting the stepper driver's voltage reference (VREF) to prevent motor overheating or missed steps. Key Specifications

Step Angle

The following table summarizes the core mechanical and electrical ratings for this model. Specification 1.8° (200 steps per revolution) Phase Count Rated Voltage Rated Current 1.5 A / Phase Phase Resistance 2.6 Ω ± 10% Phase Inductance 4.8 mH ± 20% Holding Torque 420 mN.m (approx. 60 oz-in) Detent Torque Rotor Inertia Insulation Class Class B (130°C) Weight Physical Dimensions bj42d15 26v10 stepper motor datasheet

| Pin | Function | Wire Color (Typical) | | :--- | :--- | :--- | | 1 | Coil A (+) | Black | | 2 | Coil A (-) | Green | | 3 | Coil B (+) | Red | | 4 | Coil B (-) | Blue | | 5 | NC (Not Connected) | - | | 6 | NC (Not Connected) | - | BJ42D15-26V10 The is a specific NEMA 17 stepper

Finding the Datasheet

Thermal Considerations

BJ42D15-26V10

The is a NEMA 17 hybrid stepper motor commonly found as original equipment in Creality 3D printers, such as the Ender-3 series. Often referred to by its dimensions as a "42-34" motor, it is frequently used to drive the X, Y, or Z axes. Core Technical Specifications BJ42D15-26V10 Specification 1