Nema 17 Stepper Motor High Precision

Nema 17 Stepper Motor High Precision with 39mm body and 1.68A rated current, integrated with a 48.3mm Planetary gearbox of 20:1 gear ratio.
It’s a good solution for applications that with special space but need low speed and/or high torque.

Electrical Specifications:

• Motor Type: Bipolar Stepper, known for precise control.
• Step Angle: Exceptionally fine 0.09 degrees for precise motion.
• Holding Torque: 39Ncm (55oz.in) without a gearbox, ensuring stability.
• Rated Current/Phase: 1.68A per phase for powerful performance.
• Phase Resistance: Efficient 1.6ohms for electrical flow.
• Voltage: Operates at 2.7V for optimal power usage.
• Inductance: 3.2mH with ±20% tolerance at 1KHz for stability.

Gearbox Specifications:

• Gearbox Type: Planetary for torque amplification.
• Gear Ratio: 20:1 for increased torque and reduced speed.
• Efficiency: 90% to minimize power loss during transmission.
• Backlash at No-load: Less than or equal to 25 arcmin for precise gear engagement.
• Max. Permissible Torque: Handles up to 15Nm (2124oz.in) for robust power.
• Moment Permissible Torque: Supports momentary loads up to 25Nm (3540oz.in).
• Max. Radial Load: 150N for stability under sideways force.
• Ambient Temperature: Works reliably from -10°C to 90°C.
• Insulation Class: Class B for electrical safety.
• Noise: Generates less than or equal to 50 dB of noise.
• Life: Designed for an expected operational lifespan of 20,000 hours.

Physical Specifications:

• Frame Size: Compact 42 x 42mm frame.
• Motor Length: 39mm, suitable for space-constrained setups.
• Gearbox Length: 48.3mm for compact overall profile.
• Shaft Diameter: Sturdy Φ8mm shaft.
• Shaft Length: Extends 23.5mm for flexibility.
• Key-way Length: Features a 14mm key-way for precise coupling.
• Number of Leads: 4 leads for power and control.
• Lead Length: 320mm for versatile setup options.
• Weight: Total weight is 880g.

Connection: