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Exceeding this limit will rapidly overheat the motor, risk degaussing the internal magnets, or melt plastic mounts on your machine. Input Voltage : Maximum DC . While the motor can function on systems, supplying
BJ42D15-26V10 is a specialized NEMA 17 hybrid stepper motor manufactured by Hunan Keli Motor Co., Ltd.
: 5 mm diameter, typically a "D-shape" or round shaft with a length of roughly 16 mm.
The "15" in the model number typically indicates a stack height or stator length, though this can vary by manufacturer naming conventions. Critical Usage Data bj42d15 26v10 stepper motor datasheet exclusive
| Parameter | Value | Condition / Note | | :--- | :--- | :--- | | | 2 | Bipolar | | Step Angle | 1.8° ± 5% | 200 steps/revolution | | Voltage Rating | 26 VDC | Nominal | | Current Rating (per phase) | 0.5 A (Rated) / 0.8 A (Max) | Based on 10Ω winding | | Phase Resistance | 10 Ω ± 10% @ 20°C | High resistance = high efficiency | | Phase Inductance | 12 mH ± 20% | Typical for 26V operation | | Insulation Class | B (130°C) | F-class available on custom order | | Dielectric Strength | 500 VAC / 1 minute | |
For engineers: Always drive this motor with a voltage source at or near 26V for optimal torque-speed flatness. Do not substitute a 12V-rated driver without recalculating current limits.
The is a highly popular NEMA 17 hybrid stepper motor produced by manufacturers like Keli Motor Group . It is widely recognized as the stock OEM motor driving the axes of many Creality 3D printers . Exceeding this limit will rapidly overheat the motor,
5mm (D-type shaft for secure gear/pulley mounting) Shaft Length: 22mm Mounting Holes: M3 threaded, 31mm apart Wiring and Phase Configuration
The BJ42D15 26V10 uses a standard 4-lead bipolar configuration. The wire color code (exclusive to this revision) is as follows:
A standard NEMA 17 might run at 2.0A and 3.5V. The BJ42D15 runs at 0.5A and 26V. Using Ohm’s Law (P = I²R): : 5 mm diameter, typically a "D-shape" or
The stepper motor is a crucial component often found in high-performance 3D printers, CNC machines, and precision automation equipment. Known for its reliability in Creality and similar FDM machines, this NEMA 17-sized motor provides the necessary torque and step precision for consistent, high-quality printing.
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