5 HP / 3.6 KW Brushless Motors
Last Updated: January 16, 2025 Reviewed by: Jon Lowy, consulting engineer
Description
A 5 HP (3.6 kW) brushless motor is a type of synchronous electric motor that delivers a power output of 5 horsepower or 3.6 kilowatts. Unlike traditional brushed motors, it uses a magnetically or electronically controlled commutation system instead of a brush-based mechanical commutation system. This design allows for efficient and reliable operation without the wear and tear associated with brushes.
Working Principle
Brushless motors operate by using an electronic controller to switch the current in the motor windings, generating a rotating magnetic field that drives the rotor. This eliminates the need for brushes and a commutator, which are common points of failure in brushed motors. The absence of brushes reduces friction and wear, leading to higher efficiency and longer lifespan. These motors are particularly useful because they offer high efficiency, precise control, and low maintenance requirements.
Applications
Brushless motors are widely used in various applications due to their efficiency and reliability. Specific examples include: - Electric Vehicles: Used in the propulsion systems of electric cars and bikes. - Industrial Automation: Employed in robotic arms and conveyor systems for precise motion control. - Aerospace: Utilized in drones and other unmanned aerial vehicles for their lightweight and high-efficiency characteristics. - Medical Devices: Found in equipment like MRI machines and ventilators where precision and reliability are critical.
Advantages over other Brushless Motors
Compared to other brushless motors, a 5 HP (3.6 kW) brushless motor offers several advantages: - Higher Power Output: Suitable for applications requiring more power without compromising efficiency. - Enhanced Durability: The absence of brushes reduces wear and tear, leading to a longer operational life. - Improved Efficiency: Typically achieves higher efficiency rates, which can result in lower energy consumption and operational costs.
Limitations
Despite their advantages, 5 HP (3.6 kW) brushless motors have some limitations: - Initial Cost: Generally more expensive upfront compared to brushed motors due to the complexity of the electronic control systems. - Complexity: Requires sophisticated electronic controllers, which can complicate the design and maintenance. - Heat Dissipation: High power output can lead to heat generation, necessitating effective cooling solutions to maintain performance.
Considerations
When selecting a 5 HP (3.6 kW) brushless motor, several factors should be considered: - Initial Costs: Higher upfront costs due to advanced materials and electronic components. - Operating Expense: Lower operational costs due to higher efficiency and reduced maintenance needs. - Durability: Longer lifespan compared to brushed motors, reducing the frequency of replacements. - Accuracy: Offers precise control, which is beneficial for applications requiring exact positioning and speed regulation. - Replacement and Maintenance Costs: Lower maintenance costs due to the absence of brushes, but potential higher costs for electronic controller repairs or replacements.
For more detailed information and to explore specific products, you can visit the Brushless Motors page on GlobalSpec.
from Parker Hannifin / Automation / Electromechanical Division - Europe
Continuous torque up to 235 Nm and peak torque up to 1161 Nm. Hollow shaft options (up to 75 mm diameter). Rated speeds from 200 to 1500 rpm. Two motor technologies: HP: High precision. SP: Standard precision. Position feedback options: Resolver: precision ±1 arc-min or ±10 arc-min. [See More]
- Output Power: 5 HP / 3.6 KW
- Output Power: 2.95 to 5.16
- Motor Type: AC Servo
- Continuous Current: 6.4 to 15.7
from Island Components Group
Our brushless motors are among the most advanced in our industry. DC brushless motors offer superior performance and have the advantage of reduced maintenance since there are no brushes or commutators. These motors provide solutions for rigorous applications requiring maximum performance and... [See More]
- Output Power: 5 HP / 3.6 KW
- DC Voltage Range: 252.0
- Motor Type: DC Motor
- Torque Constant: 6.94
from Kollmorgen Corporation
The new generation of synchronous servo motors, announced at the end of September 2017, initially features six design sizes with performance levels between 0,3 and 10 kW. The AKM2G servo motors are available with different feedback system choices, mounting /shaft options, connector designs, thermal... [See More]
- Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
- AC Construction: Synchronous
- Motor Type: AC Servo
- AC Voltage & Frequency: 400 VAC; 120V/60Hz; 208-230/240V 60Hz; 460/480V/60Hz
from Aerotech, Inc.
Design Features. Standard NEMA frame sizes. Rare-earth magnets maximize performance. Skewed stator design minimizes torque ripple and cogging for smooth velocity control over a wide speed range. Optional IP65-level construction allows use in harsh environments. Optional brake, front shaft seal, and... [See More]
- Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
- DC Construction: Permanent Magnet
- Motor Type: Servomotor
- Standard DC Voltage: 90V; 160V
from Parker Hannifin / Automation / Electromechanical Division - Europe
Continuous torque from 14 Nm to 2700 Nm with natural convection (according to size), and up to 6100 Nm with fluid cooling. Six external diameters from 145 mm to 800 mm. Internal diameters from 56 mm to 630 mm. Various windings available from 30 min-1 to 1500 min-1 according to size. Parker?s STK... [See More]
- Output Power: 5 HP / 3.6 KW
- DC Construction: Permanent Magnet
- Motor Type: DC Motor
- Output Power: 2.95 to 5.16
from Kollmorgen Corporation
Based on our 230 VAC B and M Series, the Kollmorgen EB Series provides a high-performance explosion-proof servo motor suitable for applications where flammable vapors or gases create a potentially hazardous environment. These motors have been tested and proven capable of withstanding an internal... [See More]
- Output Power: 2 HP; 5 HP / 3.6 KW
- AC Voltage & Frequency: 208-230/240V 60Hz
- Motor Type: AC Servo
- Output Power: 2 to 21.7
from Kollmorgen Corporation
The KBM ™ Series is designed to be directly embedded in your machine, using the machine ’s own bearings to support the rotor. With a huge selection of standard motors —plus our ability to quickly and cost-effectively incorporate co-engineered modifications —you can choose an... [See More]
- Output Power: 2 HP; 5 HP / 3.6 KW
- AC Voltage & Frequency: 208-230/240V 60Hz; 460/480V/60Hz
- Motor Type: AC Motor
- Output Power: 1.21 to 26.94
from Kollmorgen Corporation
The RBE Series from Kollmorgen is a proven platform offering many years of direct drive motor solutions in various industries such as defense, semiconductor, machine tools, industrial automation, medical, and robotics. The frameless configuration is provided as a rotor and stator component that are... [See More]
- Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
- Output Power: 0.0188 to 4.95
- Motor Type: DC Motor
- Continuous Current: 1.79 to 29.6
from Kollmorgen Corporation
The Kollmorgen ’s Goldline ® Series includes a wide range of voltages, sizes, options and co-engineered modifications. The permanent magnet design offers high torque and power density. The B and M Series are low- and medium-inertia motors that run on 230 VAC line power. The BH and MH... [See More]
- Output Power: 1 HP; 2 HP; 5 HP / 3.6 KW
- AC Voltage & Frequency: 120V/60Hz; 208-230/240V 60Hz
- Motor Type: AC Servo
- Output Power: 0.7237 to 20.51
from Kollmorgen Corporation
Kollmorgen has designed custom solutions for challenging environments since our founding in 1916. The most notable were the motors used in Jason Jr., the ROV that was used to explore the Titanic. The culmination of these experiences has been leveraged in the AKMH series of motors. Designed for food... [See More]
- Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
- Torque Constant: 14.16 to 387
- Motor Type: Servomotor
- Output Power: 0.2412 to 7.64