DC Motors | OMDC

The OMDC Ome Motors series DC motors are Direct Current Electric Motor, or power converters that operate in two different modes:

Or they convert the absorbed electrical energy into mechanical energy, when they are able to provide sufficient mechanical power to start and then drive a moving load (in which case the DC motor works just like a motor);
Or they convert the mechanical energy received into electrical energy when they are subjected to the action of a driving load (in which case the direct current motor works, therefore, like a generator).

The DC motor is still of great importance today, despite its increasingly frequent use and the “rivalry” with AC motors, which – as AC motors – are also among electric motors. In particular, thanks to the possibility of adjusting the speed and torque with precision and extreme variability, the DC electric motor is used in the most diverse industrial applications.

Specifications

Category	DC Motors \| OMDC, Electric Motors
frame size mm	H 100 - H 450
kw	0.4 kW - up to 500 kW
voltage	180 V to 500 V
poles	2,4,6,8,10,12,14,15,16, and lower customized speed
cooling system	IC 06, IC 17, IC 37
hz	50 Hz - 60Hz
temperature	-20°C < 0 < 40°C 2H

DC Electric Motors

How do you achieve absolute torque and speed control in the most demanding industrial applications, where precision and dynamic response are non-negotiable requirements? The answer, consolidated by decades of engineering innovation, lies in the robust and reliable DC electric motor technology. Although the modern industrial market sees widespread use of AC motors, DC electric motors maintain a crucial and irreplaceable role in numerous sectors. Their ability to offer fine and continuous speed regulation, combined with exceptionally high starting torque, makes them the preferred choice for processes requiring rapid and precise starts, stops, and reversals. A DC electric motor is more than just a component: it is the beating heart of complex machinery, ensuring performance, efficiency, and long operational life. OME Motors, as leading DC electric motor manufacturers in the Italian and international landscape, designs and produces DC motors that embody the excellence of “Made in Italy.” Our OMDC series is the perfect synthesis of robust construction, premium performance, and application versatility, designed to meet the most complex challenges of industrial automation.

Types of DC electric motors: How to choose the ideal motor for your application

Selecting the right motor is a fundamental step to ensure the efficiency, safety, and longevity of a system. To choose the ideal DC electric motor, it is necessary to carefully analyze the specific operational and environmental needs. The variables to consider are numerous and interconnected; below we analyze the most important ones to guide your choice:

Load and Torque Requirements: Evaluating the starting torque, nominal torque, and any required over-torques for the application is the first step. DC motors excel at providing high torque at low speeds, making them perfect for heavy loads.
Speed Range and Regulation Precision: Define the minimum and maximum operating speed and the required degree of precision. The ability of an electric DC motor to vary speed linearly and controllably is one of its greatest strengths.
Power and Supply Voltage: The power (kW) must be sized for the work to be performed, while the voltage (V) must be compatible with the power supply system and the drive used.
Dimensions and Construction (Frame Size): The space available for installation determines the physical size of the motor. Our range covers frame sizes from H 100 to H800 (and bigger on request) for flexible integration into any layout.
Operating Environment and Cooling System: Analyzing environmental conditions (temperature, humidity, presence of dust or aggressive agents) is crucial for choosing the appropriate IP protection rating and cooling system (IC 06, IC 17, IC 37, IC86W and IC666) for an industrial DC motor.
Duty Cycle and Dynamics: Consider whether the motor will operate continuously (S1) or intermittently, and the frequency of starts, stops, and reversals. The low inertia of DC motors favors highly dynamic duty cycles.

Our industrial DC electric motors of the OMDC series are designed to excel in all these areas, offering a wide range of customizations to create a tailor-made solution. We are among the most reliable DC motor suppliers to provide targeted technical advice to identify the perfect motor for your needs, ensuring optimal investment in terms of performance and Total Cost of Ownership (TCO).

Features of the OMDC series: our range of DC electric motors

The OMDC series from OME Motors represents the state of the art in the production of industrial DC motors. Every DC electrical motor in this line is built to last, using high-quality materials such as cast iron and aluminum and subjected to rigorous internal controls to ensure reliability and robustness. Flexibility is another pillar of our offer: OMDC motors can operate both as motors (converting electrical energy into mechanical) and as generators (converting mechanical energy into electrical). Technical specifications and customization options Our customization capability allows us to offer DC electric motors for sale that perfectly adapt to customer specifications. Here’s an overview of the main features:

Frame size: from H 100 to H 800
Power: from 0.4 kW up to 2000 kW
Voltage: from 180 V up to 1000 V, with the possibility of special voltages on request
Number of poles: 2, 4, 6, 8, 10, 12, 14, 15, 16 poles, to achieve specific speeds based on the application
Cooling systems: IC 06 (self-ventilated), IC 17, IC 37 (with forced ventilation), IC86W and IC666
Frequency: suitable for operation at 50 Hz and 60 Hz
Thermal class: Class 2H with a temperature range from –20 °C to +55°C
Compliance: Designed according to European UNEL MEC standards and the most widespread international standards

Industrial DC Electric Motors: integration and maintenance tips

To maximize the useful life and performance of a DC electric engine, it is crucial not only to choose the right model but also to integrate it correctly into the system and plan adequate maintenance. A well-maintained electric DC motor is synonymous with operational continuity and reduced downtime. Our first advice is to always pair the motor with a quality and correctly sized drive. The drive is the brain that controls the motor, and a perfect synergy between the two components is essential to achieve the desired control precision and to protect the motor from overloads or voltage fluctuations. Furthermore, proper ventilation is crucial. Ensure that the airflow, whether generated by the motor’s fan (IC 06) or by a forced system, is not obstructed to avoid overheating that can damage the windings and reduce efficiency. Maintenance: The key to your DC Motor’s longevity Maintenance of DC motors, although simple, is of vital importance. The key components to monitor are the brushes and the commutator. Brushes are subject to wear and must be inspected periodically and replaced before they become too short to prevent damage to the commutator. Cleaning the commutator is also an important operation to ensure optimal electrical contact. A predictive maintenance plan, which includes regular checks, bearing lubrication, and vibration monitoring, helps prevent failures and significantly extends the operational life of your DC motor.

OME Motors: Your Trusted DC Motor distributor and supplier for industrial DC motors

Choosing OME Motors as your DC motor distributor and partner means entrusting yourself to a company with decades of experience, a strong focus on innovation, and an entirely Italian production capacity. Our flexibility allows us to design an industrial DC electric motor based on the customer’s specific needs, offering a level of customization that goes beyond standardization. Our compliance with international standards makes us a global supplier, capable of supporting customers worldwide with certified products and a widespread assistance network. The competitiveness of our prices, compared to the premium performance and reliability of our motors, positions us as one of the most appreciated DC electric motor suppliers on the market. Our commitment does not stop at sales but continues with reactive and competent after-sales service. Discover all OME Motors’ electric motors and rely on our expertise to power your industrial applications.