Orange Planetary Gear DC Motor 12V 50 RPM 392.4 N-cm PGM45775-99.5K

The Orange Planetary Gear DC Motor PGM45775-99.5K is a precision-engineered 12V brushed DC motor featuring a compact planetary gearbox delivering 392.4 N-cm of torque at 50 RPM output speed. This motor is widely used by roboticists, automation engineers, and industrial technicians who require high torque-to-size ratios in space-constrained applications. It solves the critical challenge of converting high-speed motor output into controlled low-speed, high-torque motion essential for robotic arms, conveyor systems, and precision positioning mechanisms.

Product Overview

The Orange Planetary Gear DC Motor operates on the principle of epicyclic gear reduction, where multiple planet gears orbit around a central sun gear within a ring gear housing. This configuration distributes load across multiple gear teeth simultaneously, enabling exceptional torque multiplication while maintaining compact dimensions. The 99.5:1 gear ratio reduces the motor's inherent 5000+ RPM speed to a controlled 50 RPM output, while amplifying torque from approximately 4 N-cm motor shaft output to 392.4 N-cm at the output shaft. The planetary arrangement provides superior efficiency (typically 85-90%) compared to traditional spur or helical gearboxes, with minimal backlash ideal for precision applications.

This specific model integrates a brushed DC motor with sealed planetary gearbox housing, offering protection against dust and light moisture exposure. The motor features a double-shafted design with both input and output shafts accessible, enabling flexible mounting configurations. Built-in ball bearings on both shafts ensure smooth rotation and extended service life even under continuous operation. The compact cylindrical form factor makes it ideal for integration into robotic platforms, automated machinery, and embedded control systems where space optimization is critical.

Key Specifications

Specification	Details
Product Type	Brushed DC Motor with Planetary Gearbox
Brand	Orange
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
Rated Voltage	12V DC
Output Speed	50 RPM
Output Torque	392.4 N-cm (3.92 kg-cm)
Gear Ratio	99.5:1
Motor Type	Brushed DC with Planetary Reduction
Shaft Configuration	Double-shafted output

Key Features

• High Torque Output of 392.4 N-cm enables lifting and driving heavy loads with minimal motor current draw, ideal for robotic manipulators and material handling equipment
• Compact Planetary Gearbox Design with 99.5:1 reduction ratio delivers exceptional torque multiplication in a space-efficient cylindrical package suitable for confined mounting spaces
• Sealed Housing Protection against dust and environmental contaminants extends operational lifespan in workshop and industrial environments while maintaining consistent performance
• Double-Shafted Configuration provides flexible mounting options with both input motor shaft and output gear shaft accessible for direct drive coupling or pulley systems
• Low Backlash Planetary Mechanism ensures precise positioning accuracy critical for robotic applications requiring repeatable motion control and minimal mechanical play
• Ball Bearing Support on both shafts guarantees smooth, low-friction rotation and extended bearing life under continuous operation up to 24 hours daily

Applications and Use Cases

• Robotic Arm Joints: Provides controlled torque for multi-axis robotic manipulators in manufacturing, assembly, and pick-and-place automation systems requiring precise motion control
• Conveyor Drive Systems: Powers conveyor belts and material transport mechanisms in warehouses and manufacturing facilities where consistent torque delivery at moderate speeds is essential
• Automated Door and Gate Systems: Drives sliding or swing mechanisms in automated entry systems, parking barriers, and industrial gate applications requiring reliable torque at low RPM
• Precision Positioning Equipment: Enables accurate positioning in CNC machinery, 3D printers, and laboratory automation systems where backlash minimization and speed control are critical
• Wheelchair and Mobility Devices: Powers propulsion systems in electric wheelchairs and mobility platforms where compact size and high torque are required for user safety and comfort
• Winch and Pulley Systems: Drives mechanical advantage systems for lifting and lowering operations in construction equipment, stage rigging, and material handling applications

How to Use

Begin by verifying the motor voltage rating matches your power supply exactly at 12V DC. Connect the positive terminal of your 12V power source to the motor's red wire and the negative terminal to the black wire. For speed control, integrate a PWM (Pulse Width Modulation) controller rated for at least 10A continuous current to smoothly vary motor speed from 0-50 RPM. Install the motor securely using the mounting flange with M4 bolts, ensuring the output shaft aligns concentrically with your load coupling. Apply a thin layer of lithium grease to the output shaft coupling point annually to maintain smooth operation and extend bearing life.

For load applications, calculate your mechanical requirements: if your application requires lifting 5 kg vertically using a 10cm diameter pulley, the motor will provide sufficient torque (392.4 N-cm equals approximately 40 kg-cm holding force). Always include a freewheel diode (1N4007) across the motor terminals when using PWM control to protect your controller from back-EMF voltage spikes during rapid deceleration. Monitor motor temperature during initial operation; the motor housing should remain warm but not too hot to touch. If the motor stalls under load for more than 30 seconds, reduce the load or increase PWM duty cycle to prevent thermal damage to the motor windings.

Frequently Asked Questions

What is the maximum continuous current draw at 12V rated operation?

The Orange Planetary Gear DC Motor typically draws 2-3A continuous current at full 12V rated voltage under nominal load conditions. Under stall conditions (blocked output shaft), current can spike to 8-10A momentarily. We recommend using a power supply rated for minimum 5A continuous capacity and a PWM controller rated for 10A+ to safely operate this motor with adequate safety margin.

Can this motor be operated at voltages other than 12V?

Operating at voltages significantly different from 12V is not recommended. Running at lower voltages (9V) reduces torque output proportionally and may cause inadequate motor performance. Running at higher voltages (15V+) will increase motor speed and current draw beyond design specifications, potentially causing premature brush wear and winding damage. Always use a regulated 12V DC power supply for optimal performance and longevity.

What is the backlash specification of the planetary gearbox?

The planetary gearbox in this motor exhibits approximately 3-5 degrees of backlash at the output shaft, which is excellent for a 99.5:1 reduction ratio. This minimal backlash makes it suitable for precision robotic applications where repeatable positioning is critical. For applications requiring zero-backlash operation, consider adding a spring-loaded anti-backlash coupling or dual-motor configuration with load-sharing mechanisms.

Is the motor reversible and can it run in both directions?

Yes, this brushed DC motor is fully reversible. Simply reverse the polarity of your power supply connections (swap red and black wires) to reverse rotation direction. The planetary gearbox is bidirectional and will function identically in both forward and reverse modes. If using PWM speed control, ensure your PWM controller supports direction reversal through relay switching or H-bridge circuitry for seamless directional control.

What maintenance does this motor require?

This motor requires minimal maintenance. Inspect the motor and gearbox housing quarterly for dust accumulation and gently clean with a soft brush if needed. Apply a small amount of lithium-based grease to the output shaft bearing annually through the grease fitting if present. Check electrical connections for corrosion every 6 months. Avoid exposing the motor to water or high-humidity environments unless the housing is properly sealed. Under normal operating conditions with proper maintenance, this motor should provide 3-5 years of reliable service.

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 50 RPM 392.4 N-cm PGM45775-99.5K Online in India

Purchase the Orange Planetary Gear DC Motor 12V 50 RPM 392.4 N-cm PGM45775-99.5K 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 50 RPM 392.4 N-cm PGM45775-99.5K with fast shipping and expert support.

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