Nema 17 Planetary Geared Stepper Motor 5:1 / 10:1 / 20:1 Ratio – High Torque Precision Drive

Nema 17 Planetary Geared Stepper Motor 5:1 / 10:1 / 20:1 Ratio – High Torque 24mm Shaft

High-precision Nema 17 planetary geared stepper motor combines a 42mm hybrid stepper with a durable planetary gearbox. Designed for CNC machines, 3D printers, and automation applications requiring high torque and accurate positioning.

Nema 17 0.59Nm Stepper Motor Specifications

Item	Specification
Motor Model	42FD48-204A-10Y-C1
Step Angle	1.8° ±5%
Number of Phases	2
Phase Voltage	2.8V DC
Phase Current	2.0A
Phase Resistance	1.4Ω ±10% (At 20°C)
Phase Inductance	3.0mH ±20%
Static Torque	0.59N·m
Insulation Class	Class B
Insulation Resistance	100MΩ min. (500V DC)
Ambient Temperature	-20°C to +50°C
Ambient Humidity	15%–95%
Motor Weight	Approx. 0.4kg
Use Voltage	DC 12–36V
Recommended Driver	2D4020A
Output Shaft Length	10-24mm (customizable)

Gearbox Specifications

Reduction Ratio	4	5	7	10	16	20	25	28	35	40	50	70
Exact Ratio	4	5	7	10	16	20	25	28	35	40	50	70
Gearbox Length (L)	38	38	38	46.5	46.5	46.5	46.5	46.5	46.5	46.5	46.5	46.5
Efficiency %	96	96	94	94	94	94	94	94	94	94	94	94
Backlash (Arcmin)	<10	<10	<10	<15	<15	<15	<15	<15	<15	<15	<15	<15

Wiring Information (4 Wires)

Wire No.	Color	Signal	Description
1	Black	A+	Phase A positive
2	Green	A-	Phase A negative
3	Red	B+	Phase B positive
4	Blue	B-	Phase B negative

Excitation Sequence (CW Direction)

 

STEP	A+	B+	A-	B-
1	+	+	–	–
2	–	+	+	–
3	–	–	+	+
4	+	–	–	+

Features

• High-torque 24mm shaft Nema 17 stepper motor with planetary gearbox
• Compact and durable metal gear design
• Low noise and long service life
• Supports multiple gear ratios: 5:1 / 10:1 / 20:1/50:1/100:1
• Custom shaft and encoder options available

Applications

• CNC and laser engraving machines
• 3D printers
• Robotic arms and automation equipment
• Medical and laboratory instruments

FAQ

Q1: Can the shaft length be customized?
A1: Yes, standard is 10mm, and we support customization to 24mm or others.

Q2: What driver is recommended for this motor?
A2: The SSS2D4020A driver is suggested for stable performance.

Q3: What’s the difference between planetary and precision gearbox?
A3: Learn more about planetary gearbox design → Blog

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Shenzhen Sunshine Sea Technology CO., Ltd – Professional stepper motor supplier for global small and medium businesses.