# STEPPERONLINE Nema 17 Stepper Motor 1.5A 42Ncm 38mm 1.8deg 4-Wire (3-Pack) | 3D Printer Motor Upgrade **Brand:** STEPPERONLINE **SKU:** gnk1468 **ASIN:** B0B38GHRH8 **Canonical URL:** https://crowcrowcrow.com/p/stepperonline-nema-stepper-motor-bipolar-1-5a-42ncm-42x42x38mm-1-8deg-wires-cable/gnk1468 **Category:** electronics **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹4,240 **Discount:** 6% **Customer rating:** 4.63/5 from 8 ratings ## Description STEPPERONLINE Nema 17 stepper motors (3-pack) offer 42Ncm holding torque and 1.8-degree step angle for 3D printers and mechatronics. Features 1.5A current, 4 wires, and 1m cable. Low noise, high speed. All duties included. Arrives via ExpressBox. ## Highlights - Reliable 3D Printer Performance — Upgrade your printer with a 3-pack of Nema 17 stepper motors, each delivering 42Ncm holding torque and a 1.8-degree step angle for precise movements and consistent print quality. - Efficient 1.5A Bipolar Operation — Each motor operates at 1.5A per phase with a 2.3-ohm resistance, ensuring efficient power usage and stable performance for demanding 3D printing tasks. - Low Noise, High Speed Design — Engineered for quiet operation and high-speed printing, these motors help reduce print times and noise levels, enhancing your overall printing experience. - Easy Integration with 1m Cable — Comes with a 1-meter cable and connector, simplifying installation and ensuring a secure connection to your printer's control board or driver. ## Key features - 3 pack, Nema 17 Stepper Motor with 42Ncm holding troque - Bipolar stepper motor ,dimension 42*42*38mm, 2 phase, 4 leads - Step angle 1.8deg, 200 step/revolution - Rated Current/phase 1.5A & Phase Resistance 2.3ohms - Low noise high speed 3d printer stepper motor, build with 1m Cable and Connector ## Why choose this product - Precision Engineering for Your Projects — STEPPERONLINE Nema 17 stepper motors are built for accuracy. With a 1.8-degree step angle, they offer fine control essential for detailed 3D prints and robotics. The 42Ncm holding torque ensures your print head or robotic arm stays precisely in position, even under load. This pack of three provides excellent value for multi-axis projects or as spares. Imported directly from authorized US retailers, these motors meet high manufacturing standards, ensuring consistent performance that local alternatives may not always match. - Ideal for DIY Enthusiasts and Builders — These motors are perfect for hobbyists building or upgrading 3D printers, CNC machines, or robotic arms. They are suitable for users comfortable with basic electronics and wiring. If you are new to stepper motors, ensure you connect them to a proper driver controller, as direct connection to power will damage the motor. Users seeking plug-and-play simplicity without any wiring adjustments might consider models with pre-attached connectors or specific printer compatibility. ## How to use 1. Check your 3D printer's control board and stepper motor driver specifications. Ensure it supports Nema 17 motors with a 1.5A current rating and a 1.8-degree step angle. Confirm your driver can handle the motor's phase resistance (2.3 ohms). — Verify Compatibility 2. Connect the motor wires (A+: Black, A-: Blue, B+: Green, B-: Red) to your stepper motor driver. If the motor does not function correctly, you may need to swap the middle two wires on the motor connector to correct the phase pairing. — Connect Wiring 3. Connect the motor to a constant current or chopper drive controller. Do NOT connect the motor directly to a power supply, as this will destroy it. Set your driver's current limit to match the motor's rated current (1.5A) and configure microstepping for desired precision. — Configure Driver Settings 4. After connecting and configuring, test the motor's movement. Calibrate its steps per millimeter in your printer's firmware or control software to ensure accurate axis movement and print quality. Listen for unusual noise or overheating, which may indicate incorrect wiring or settings. — Test and Calibrate ## Product details | Field | Value | |---|---| | Step Angle | 1.8 deg | | Holding Torque | 42 Ncm (59.49 oz.in) | | Rated Current/phase | 1.50 A | | Phase Resistance | 2.3 ohms | | Inductance | 4.00 mH ± 20% (1KHz) | | Application | 3D Printers, CNC Machines, Robotics, Automation | | Connection | A+: Black, A-: Blue, B+: Green, B-: Red | | Wiring Note | May require swapping middle 2 wires on some systems. | | Power Requirement | Connect to constant current or chopper drive controller ONLY. Direct connection to power supply will destroy motor. | | Cost per motor | {{ccc_price_per_unit:3:motor}} | | Brand | STEPPERONLINE | | Model Number | 17HE15-1504S | | Motor Type | Bipolar Stepper | | Frame Size | 42 x 42 mm (1.65 x 1.65 in) | | Body Length | 38 mm (1.5 in) | | Shaft Diameter | 5 mm (0.197 in) | | Shaft Length | 23.5 mm (0.925 in) | | D-cut Length | 20 mm (0.787 in) | | Number of Leads | 4 | | Lead Length | 1000 mm (3.28 ft) | | Weight per Motor | 280 g (0.62 lb) | | Package Quantity | 3 Motors | | Material | Stainless Steel, Copper, Aluminium alloy, Plastic | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How to choose the right stepper motor for my 3D printer? For 3D printers, Nema 17 motors like these are common. Consider the required holding torque (42Ncm is good for many extruders/axes), step angle (1.8deg for precision), and current rating (1.5A here). Ensure compatibility with your printer's control board and driver. ### What are the benefits of using STEPPERONLINE Nema 17 motors? These motors offer a good balance of holding torque (42Ncm) and step precision (1.8deg) for 3D printing. They are designed for low noise and high speed, and the 3-pack provides excellent value for multi-axis setups or as spares. Imported from authorized US retailers, they ensure consistent quality. ### How do I connect these stepper motors? Each motor has 4 wires: A+ (Black), A- (Blue), B+ (Green), B- (Red). Connect these to your stepper motor driver. Ensure you use a constant current or chopper drive controller; connecting directly to a power supply will damage the motor. Some systems may require swapping the middle two wires. ### Are these motors suitable for high-speed 3D printing? Yes, these Nema 17 stepper motors are designed for low noise and high-speed operation, which can help reduce print times and improve the overall efficiency of your 3D printer. ### What is the holding torque of these motors? Each STEPPERONLINE Nema 17 stepper motor in this pack has a holding torque of 42 Ncm (Newton-centimeters), which is equivalent to approximately 59.49 oz.in (ounce-inches). ### Can I use these motors with abrasive filaments? While these motors provide good torque for general 3D printing, they are not specifically rated for abrasive filaments like carbon fiber composites. For such materials, hardened steel nozzles and potentially higher torque motors might be necessary to prevent premature wear. ### What if the motor wiring is non-standard? Expect non-standard motor wiring on some systems. If the motor doesn't function correctly, you may need to slightly pry back the white nubs on the motor-side connector and swap the middle two wires (A- and B+ or A+ and B- depending on configuration) to correct the phase pairing. ### How to buy original STEPPERONLINE Nema 17 motors in India? Purchase original STEPPERONLINE Nema 17 motors from crowcrowcrow. We import directly from authorized US retailers, ensuring authenticity. All customs duties and GST are included in the listed price, and your order is shipped securely via ExpressBox with tracking. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0B38GHRH8-2.webp 2. https://images.crowcrowcrow.com/B0B38GHRH8-5.webp 3. https://images.crowcrowcrow.com/B0B38GHRH8-8.webp 4. https://images.crowcrowcrow.com/B0B38GHRH8-11.webp 5. https://images.crowcrowcrow.com/B0B38GHRH8-14.webp 6. https://images.crowcrowcrow.com/B0B38GHRH8-17.webp --- Source: https://crowcrowcrow.com/p/stepperonline-nema-stepper-motor-bipolar-1-5a-42ncm-42x42x38mm-1-8deg-wires-cable/gnk1468 Returns: 30 days, free, by mail. Shipping: Free across India, 7–13 business days. Prices are all-inclusive (duties + GST).