42mm x 42mm (NEMA 17 frame) with a 34mm body length. Shaft Diameter: 5mm (typically D-shaped). Phase: 2-Phase hybrid stepper. Application Details
: Indicates the internal rotor and stack configuration, specifically identifying a 34mm body height with mid-range holding torque. bj42d15 26v10 stepper motor datasheet
While official standalone PDF documentation can be notoriously difficult to find for specific OEM batch numbers, community testing, manufacturer correspondence, and cross-references from the Keli Motor Group establish the standard datasheet metrics for the BJ42D15-26V10 variant: Specification Profile NEMA 17 (42 mm × 42 mm) Body Length 34 mm (Often referred to as a "42-34" motor) Step Angle 1.8° (±5% accuracy per full step) Steps Per Revolution Phase / Configuration 2-Phase Hybrid / Bipolar Rated Voltage Maximum 24V – 26V DC Rated Current (Peak) 0.84A – 1.0A max Holding Torque ~2.86 kg·cm (0.28 N·m / 40 oz-in) Shaft Diameter & Style 5mm "D-Shape" or Round (varies by production lot) Insulation Class Class B (Safe operating temperature up to 80°C rise) Understanding the Part Number (Decoded) 42mm x 42mm (NEMA 17 frame) with a 34mm body length
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If you are currently troubleshooting or designing a system with this motor, I can help you optimize its performance. Let me know: Application Details : Indicates the internal rotor and
| | Wire Color (Typical KELI) | Pin on JST Connector | Driver Terminal | | :--- | :--- | :--- | :--- | | Phase A (+) | Red | Pin 1 | A+ | | Phase A (-) | Blue (or Green) | Pin 2 | A- | | Phase B (+) | Black | Pin 4 | B+ | | Phase B (-) | Yellow (or White) | Pin 3 | B- |
