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DC Motors – Brushed Commutated Direct Current Motors
Our brushed commutated direct current motors, often referred to as DC motors or dc electric motors, encompass a wide range with power ratings up to about 421 W and drive voltages between 2.4–48 V. The range includes several models for 12V DC and 24V DC, making them suitable both as 12V DC motors in smaller equipment and as 24V DC motors in more demanding industrial applications. The motors can be supplied with or without gearboxes – such as planetary gear, spur gear, or worm gear – for those who need a DC motor with gearbox that offers high torque or low speeds. All motors can be customized in terms of shafts, cabling, connections, and mechanical interfaces.
Motor Function and Basic Characteristics – DC Motors
DC motors are based on a robust and proven technology where brushes and a commutator switch the direction of current and generate smooth rotation. This provides high starting torque, good controllability and stable operation even under varying loads. The motors are used both in smaller applications – such as instruments, equipment with small DC motors and portable devices – and in heavier systems where powerful DC motors are required to start under load or generate high torque.
- High efficiency and stable operation
- Powers ranging from approximately 0.02–421 W
- Drive voltages 2.4–48 V – including optimized 12V and 24V models
- Simple control via PWM or voltage regulation
Gear Options and Performance for DC Motors
By combining DC motors with different types of gears, both torque and speed can be adapted to the application’s requirements. Planetary gears offer high efficiency and compact design, spur gears are robust and cost-effective, while worm gears provide quiet operation and high reduction. The combination creates a powerful DC motor with gearbox that can deliver high torque at low speeds and is therefore suitable for automation solutions, mechanical control, and industrial processes.
- Planetary gears – high efficiency and compact design
- Spur gears – robust and cost-effective
- Worm gears – quiet operation and high gearing
The performance range varies from approximately 2,000 to 23,000 rpm and torque between about 10 and 16,000 mNm, making it easy to configure both small and powerful DC motors for the right application area.
Customizations & Connections for DC Motors
To fit specific installations, our DC motors can be customized at several levels. Adjusted shaft dimensions provide the right mechanical fit, and customized cabling or connectors simplify electrical integration. EMC filtering can be integrated when the application requires electrical compatibility. Customizations of 12V and 24V motors are particularly common in mobile systems, special machines, and vehicle-related applications.
- Customized shaft dimensions
- Custom cables and connectors
- Choice of gear type based on desired torque and speed
- Integrated EMC filtering if needed
FAQ – Frequently Asked Questions about DC Motors
What is the difference between a DC motor and a dc electric motor?
These terms refer to the same type of motor – a brushed commutated direct current motor.
Can DC motors run slowly?
Yes, especially in combination with planetary, spur, or worm gears for high torque at low speeds.
How are DC motors controlled?
The most common methods are PWM control or voltage regulation depending on the application.
What affects lifespan?
Temperature, load profile, brush wear, and operating cycles are crucial factors.
DC-motors
Planetary gear
Spur gear
Worm gear dc motors
Brushed DC Motor Drivers
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