Orange Planetary Gear DC Motor 12V 40 RPM 81 N-cm PG28M395-126K

The Orange Planetary Gear DC Motor PG28M395-126K is a precision-engineered 12V direct current motor featuring a compact planetary gearbox that delivers 40 RPM output speed with exceptional torque of 81 Newton-centimeters, making it ideal for robotics, automation equipment, and mechanical systems requiring high torque at low speeds. Professional engineers and hobbyists utilize this motor in applications demanding reliable power transmission with minimal backlash and compact form factor. This motor solves the critical challenge of converting high-speed motor rotation into controlled low-speed, high-torque output without requiring external gearbox assemblies.

Product Overview

The PG28M395-126K planetary gear motor operates on the principle of internal gear meshing, where multiple planet gears orbit around a central sun gear within a ring gear housing. This configuration distributes load across multiple contact points simultaneously, resulting in exceptional efficiency, minimal vibration, and torque multiplication ratios that far exceed traditional spur gear systems. The 12V DC input drives the motor shaft through brushes and commutator segments, while the integrated planetary reduction mechanism converts this high-speed rotation into a controlled 40 RPM output with amplified torque characteristics ideal for precision positioning and load-bearing applications.

The Orange brand designation indicates this motor features distinctive orange-colored casing for easy identification in complex mechanical assemblies. The PG28M395-126K model represents a mid-range planetary motor engineered for continuous duty cycles in industrial automation, conveyor systems, and robotic manipulators. The 81 N-cm torque rating ensures sufficient holding power for vertical load applications and provides adequate mechanical advantage for drive mechanisms. The compact 28mm diameter gearbox housing integrates seamlessly into space-constrained designs while maintaining the structural rigidity required for reliable long-term operation in demanding environments.

Key Specifications

Specification	Details
Product Type	Planetary Gear Reduction DC Motor
Brand	Orange
Model Number	PG28M395-126K
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Input Voltage	12V DC
Output Speed	40 RPM
Maximum Torque	81 N-cm (0.81 N-m)
Gearbox Type	Planetary Gear Reduction
Motor Diameter	28mm
Reduction Ratio	Approximately 30:1 (calculated from speed reduction)

Key Features

• Planetary Gear Mechanism: Multiple planet gears distribute load evenly across contact points, delivering 81 N-cm torque with exceptional efficiency and minimal backlash for precision applications
• Low-Speed High-Torque Output: 40 RPM output speed with amplified torque characteristics eliminates the need for external gearbox assemblies in compact design constraints
• 12V DC Operation: Standard voltage input compatible with battery systems, power supplies, and automotive electrical architectures for flexible deployment options
• Compact 28mm Gearbox Housing: Integrated reduction mechanism in space-efficient form factor enables integration into robotic arms, conveyor drives, and automated positioning systems
• Continuous Duty Rated: Engineered for sustained operation in industrial environments with thermal management suitable for extended runtime applications
• Low Vibration and Noise: Planetary gear geometry minimizes vibration transmission and operational noise compared to spur gear alternatives

Applications and Use Cases

• Robotic Arm Actuators: Provides precise joint control with sufficient torque for multi-axis robotic manipulators requiring synchronized movement and accurate positioning in manufacturing automation
• Conveyor Belt Drive Systems: Delivers consistent 40 RPM output for material handling conveyor systems with 81 N-cm torque capacity for moderate load transport applications
• Automated Gate and Door Mechanisms: Powers sliding gate operators and automatic door systems requiring controlled low-speed operation with holding torque capability
• Laboratory Testing Equipment: Utilized in mechanical testing apparatus, material testing machines, and precision instrumentation requiring calibrated rotational output
• Solar Tracking Systems: Enables single-axis or dual-axis solar panel tracking mechanisms with precise speed control for optimized solar energy collection
• Hobby Robotics and DIY Projects: Ideal for Arduino-based robotics, 3D printer mechanisms, and educational engineering projects requiring reliable motor performance

How to Use

To operate the Orange Planetary Gear DC Motor PG28M395-126K, establish a 12V DC power connection to the motor terminals, observing correct polarity to ensure proper rotation direction. Connect the positive terminal to the red wire and negative terminal to the black wire through an appropriate power supply rated for continuous current draw. For variable speed control, integrate a PWM (Pulse Width Modulation) motor controller between the power supply and motor terminals, allowing dynamic speed adjustment from 0 to 40 RPM while maintaining torque characteristics. Ensure adequate heat dissipation by avoiding continuous operation in sealed enclosures and maintain proper motor ventilation to prevent thermal degradation.

Mount the motor securely using the provided mounting flange or bracket, ensuring the output shaft aligns with the driven load mechanism with minimal lateral play. Apply mechanical load gradually during initial operation to verify rotation direction and confirm torque adequacy for your specific application. For applications requiring directional control, implement an H-bridge relay circuit or dedicated motor controller to reverse polarity and achieve bidirectional rotation. Monitor motor temperature during extended operation and implement thermal shutdown protection if operating in high-ambient-temperature environments exceeding 40 degrees Celsius.

Frequently Asked Questions

What is the maximum continuous current draw of the PG28M395-126K motor?

The Orange PG28M395-126K typically draws approximately 2-3 amperes at rated 12V DC under full load conditions. Your power supply should be rated for at least 5 amperes continuous capacity to accommodate startup inrush current and provide adequate headroom for sustained operation. Using an undersized power supply may cause voltage sag and reduced torque output during peak load conditions.

Can I operate this motor at voltages other than 12V DC?

Operating at voltages significantly different from the rated 12V DC is not recommended. Running at higher voltages increases motor speed and current draw, potentially damaging the commutator and brushes, while lower voltages reduce torque output and may cause stalling. If variable voltage operation is required, use a regulated DC power supply maintaining 12V output with appropriate current limiting protection.

What is the backlash specification of the planetary gearbox?

Planetary gear motors typically exhibit 3-5 degrees of backlash depending on manufacturing tolerances and gear wear. The PG28M395-126K planetary design minimizes backlash compared to spur gear alternatives due to multiple simultaneous gear mesh points. For precision positioning applications requiring minimal backlash, consider implementing mechanical anti-backlash couplings or feedback control systems to compensate for inherent gear clearances.

How do I reverse the rotation direction of this motor?

Simply reverse the polarity of the 12V DC power supply by swapping the positive and negative terminal connections. Alternatively, implement an H-bridge motor controller circuit using relays or semiconductor switches to achieve electronic directional control without physically disconnecting wires. This approach enables rapid bidirectional operation suitable for automated systems.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy Orange Planetary Gear DC Motor 12V 40 RPM 81 N-cm PG28M395-126K Online in India

Purchase the Orange Planetary Gear DC Motor 12V 40 RPM 81 N-cm PG28M395-126K online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Orange Planetary Gear DC Motor 12V 40 RPM 81 N-cm PG28M395-126K with fast shipping and expert support.

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