Orange Planetary Gear DC Motor 12V 94 RPM 46 N-cm PG28M395-52.1K

The Orange Planetary Gear DC Motor PG28M395-52.1K is a compact 12V brushed DC motor featuring a precision planetary gearbox with a 52.1:1 reduction ratio, delivering 94 RPM output speed and 46 N-cm of torque. This motor is widely used by roboticists, automation engineers, and hobbyists who require high torque at low speeds for precise mechanical applications. It solves the critical problem of converting high-speed DC motor output into controlled, powerful low-speed rotation needed for gear-driven mechanisms, conveyor systems, and robotic actuators.

Product Overview

The PG28M395-52.1K combines a high-performance brushed DC motor with a multi-stage planetary gearbox, a design that concentrates maximum torque delivery in a remarkably compact form factor. The planetary gear arrangement ensures zero backlash operation with exceptional efficiency, typically maintaining 85-90% power transmission efficiency across the gearbox stages. The motor's 12V DC input makes it compatible with standard automotive batteries, lead-acid systems, and regulated power supplies commonly found in industrial automation and robotics projects. The brushed commutation system provides reliable starting torque and consistent performance across varying load conditions.

This specific model excels in applications requiring sustained torque output with minimal mechanical noise compared to spur gear alternatives. The 52.1:1 reduction ratio is engineered to transform the base motor's approximately 4900 RPM no-load speed into a controlled 94 RPM output, while multiplying torque by the same factor. The sealed planetary gearbox design protects internal gears from dust and contamination, extending operational lifespan in workshop and field environments. The motor's compact cylindrical housing with standard mounting flanges allows integration into space-constrained mechanical assemblies without requiring custom fabrication.

Key Specifications

Specification	Details
Product Type	Planetary Gear DC Motor with Brushed Commutation
Brand	Orange
Origin	Original and 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	94 RPM at rated load
Output Torque	46 N-cm continuous rated torque
Gear Ratio	52.1:1 planetary reduction
Gearbox Type	Multi-stage sealed planetary gearbox
Efficiency	85-90% power transmission efficiency

Key Features

• High Torque Output: 46 N-cm continuous rated torque enables lifting, pulling, and rotational force applications requiring substantial mechanical power in compact designs
• Sealed Planetary Gearbox: Multi-stage planetary gear arrangement with sealed housing eliminates backlash, reduces noise to 60-65 dB, and protects internal components from environmental contamination
• 12V DC Compatibility: Direct compatibility with automotive batteries, 12V regulated power supplies, and standard robotics power systems eliminates need for voltage conversion circuits
• Compact Form Factor: Cylindrical motor body with standard mounting flanges fits into space-constrained mechanical assemblies and robotic platforms without custom mechanical redesign
• Reliable Brushed Commutation: Proven brushed DC motor design ensures consistent starting torque, predictable speed-torque characteristics, and straightforward bidirectional control via polarity reversal
• Low Speed Operation: 94 RPM output speed provides precise mechanical control ideal for gear-driven mechanisms, winch systems, and robotic joint actuators requiring fine positional adjustment

Applications and Use Cases

• Robotic Arm Actuators: Powers joint rotation in collaborative robots and educational robotics platforms where 46 N-cm torque provides sufficient force for 2-3 kg payload manipulation at controlled 94 RPM speeds
• Conveyor Drive Systems: Drives small-scale conveyor belts and material handling systems in laboratory automation, packaging lines, and warehouse inventory management requiring reliable low-speed high-torque operation
• Winch and Hoist Mechanisms: Operates mechanical winches for lifting applications, cable tensioning systems, and vertical material transport where controlled low speed prevents shock loads and enables precise positioning
• Automated Gate and Door Systems: Powers sliding gate mechanisms, automated door openers, and barrier control systems in industrial facilities requiring sustained torque with low noise operation
• Stirring and Mixing Equipment: Drives laboratory mixers, paint stirrers, and industrial mixing paddles where consistent 94 RPM speed and 46 N-cm torque ensures homogeneous fluid mixing without splashing
• Camera Pan-Tilt Platforms: Enables smooth panoramic camera movement in surveillance systems and automated imaging applications where low speed provides jitter-free video capture and precise angular positioning

How to Use

To operate the Orange Planetary Gear DC Motor PG28M395-52.1K, connect the positive terminal to the red wire and negative terminal to the black wire using a 12V DC power source rated for at least 2-3 amperes continuous current. Install the motor securely using the mounting flange holes, ensuring the output shaft is properly aligned with your driven mechanism to prevent lateral stress on the gearbox bearings. For bidirectional control, reverse the polarity of the power supply connections; for speed control, use a PWM (Pulse Width Modulation) controller rated for 12V DC and capable of handling the motor's stall current of approximately 4-5 amperes.

Allow the motor to reach steady-state operation before applying full mechanical load, as the gearbox requires a brief warm-up period to achieve optimal efficiency. Monitor the motor temperature during extended operation; if the motor body exceeds 60 degrees Celsius, reduce duty cycle or allow cooling intervals to prevent premature brush wear. For applications requiring frequent direction reversals, implement a mechanical or electronic braking mechanism to prevent shock loads on the gearbox. Periodically inspect the motor shaft seal and gearbox housing for any signs of grease leakage, which would indicate bearing wear requiring professional service.

Frequently Asked Questions

What is the difference between this planetary gearbox motor and a standard spur gear motor?

Planetary gearbox motors like the PG28M395-52.1K offer significantly lower backlash (typically under 5 degrees) compared to spur gear motors (15-30 degrees backlash), resulting in more precise positional control essential for robotic applications. The planetary arrangement distributes load across multiple gear teeth simultaneously, enabling higher torque density in a more compact package while operating at lower noise levels around 60-65 dB versus 75-80 dB for spur gear motors. Planetary designs also provide superior efficiency of 85-90% versus 70-80% for spur gears due to optimized load distribution and reduced friction losses.

Can I use this motor with a 24V power supply instead of 12V?

No, applying 24V to a 12V motor will cause immediate damage to the brushes and commutator, likely resulting in catastrophic failure within seconds. The motor windings are designed for 12V operation; higher voltage will cause excessive current draw, generate extreme heat, and burn out the motor. If you require higher speed or torque, consider the 24V variant of this motor series, which maintains the same mechanical specifications but operates at double voltage with proportionally higher power output.

What is the maximum stall torque this motor can handle?

The PG28M395-52.1K can deliver approximately 80-90 N-cm stall torque for brief periods (under 5 seconds) before thermal damage occurs. However, continuous operation at stall condition will cause motor windings to overheat and fail within 30-60 seconds. The rated continuous torque of 46 N-cm represents the safe operating limit for indefinite operation; exceeding this value requires proportional reduction in duty cycle to prevent thermal damage. Always implement mechanical load limiters or current-limiting controllers to prevent accidental stall conditions during normal operation.

How much current does this motor draw at rated load?

At rated load of 46 N-cm torque and 94 RPM output speed, the motor typically draws 1.5-2.0 amperes from the 12V supply. No-load current is approximately 0.3-0.5 amperes, while stall current reaches 4-5 amperes. For power supply selection, choose a 12V source capable of delivering at least 3 amperes continuous current to accommodate load transients and provide adequate safety margin. PWM speed controllers should be rated for minimum 5 ampere capacity to safely handle peak current demands.

Is this motor suitable for outdoor or wet environment applications?

The sealed planetary gearbox provides excellent protection against dust and light moisture, making it suitable for covered outdoor installations. However, the motor is not rated for direct water exposure or submersion. For wet environment applications, consider installing the motor in a weatherproof enclosure with ventilation holes to allow heat dissipation. The brushed commutation system is susceptible to corrosion if exposed to salt spray or high humidity without protective coating; apply silicone conformal coating to electrical connections in harsh environments.

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
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• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
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• Returns: 7-day return policy on manufacturing defects only

Buy Orange Planetary Gear DC Motor 12V 94 RPM 46 N-cm PG28M395-52.1K Online in India

Purchase the Orange Planetary Gear DC Motor 12V 94 RPM 46 N-cm PG28M395-52.1K 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.

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