Introduction
In an era of rapid industrialization, the need for efficient, reliable and high-powered equipment is becoming increasingly crucial. One of the key components in various industrial processes is the electric motor. MarelliMotori, as a leading company in the field of electric motors, has presented the A_C – B_C / B5H series as a reliable solution to meet the demands of modern industry.
The A_C – B_C / B5H series electric motors are specifically designed to provide optimal performance in a variety of demanding industrial applications. By combining cutting-edge technology and high-quality materials, these motors have become the top choice for many companies around the world.
What Is MarelliMotori A_C – B_C / B5H?
MarelliMotori A_C – B_C / B5H is a series of heavyweight industrial electric motors specifically designed to meet the needs of various industrial applications that demand high performance, reliability and energy efficiency. These motors are often the first choice in various industries due to their ability to operate under severe and continuous conditions.
Top Features and Technology
- Sturdy Construction: These motors are constructed using high-quality materials such as silicon steel for the stator core and copper for the windings, resulting in a sturdy and durable structure.
- Optimal Cooling: An advanced cooling system, be it air cooling or water cooling, ensures the motor operates at a stable temperature and prevents overheating.
- Maximum Protection: Diverse protection levels, such as IP55, IP56, and IP65, protect the motor from dust, water, and various harsh environmental conditions.
- High Energy Efficiency: With an efficient design and the use of quality materials, these motors are able to significantly save energy, reduce operating costs, and contribute to environmental preservation.
- Flexible Customization: MarelliMotori offers extensive customization options, allowing you to get a motor that suits the specific needs of your application, from voltage, frequency, to protection settings.
Working Principle
AC electric motors work on the principle of electromagnetic induction. When alternating current flows through the stator coils, a magnetic field rotates around the stator. This rotating magnetic field induces an electric current in the rotor, generating an electromagnetic force that causes the rotor to spin.
Applications in the Industrial World
A_C – B_C / B5H series electric motors have a very important role in various industries, including:
- Process Industries: Pulp and paper, cement, sugar, chemical, pharmaceutical, etc.
- Infrastructure: Pumps, compressors, blowers, wastewater treatment equipment.
- Mining: Underground and surface mining equipment.
- Energy: Power plants, wind turbines.
- Automotive: Vehicle component testing.
- Maritime: Ocean vessels, oil rigs.

Competitive Advantage
- Reliable Performance: Designed to operate under severe and continuous conditions.
- Long Service Life: With high-quality materials and sturdy construction, these motors have a much longer service life compared to ordinary motors.
- High Energy Efficiency: Helps reduce operating costs and carbon emissions.
- Comprehensive Technical Support: MarelliMotori provides excellent after-sales service and technical support for customers.
Technical Features
SERIES: A_C – B_C (Low voltage), B5H (Medium voltage)
POWER: Up to 2400kW
VOLTAGE: Up to 11000V
FRAME: 71mm to 560mm
POLE: 2 to 16
FREQUENCY: 50Hz, 60Hz or variable speed
PROTECTION DEGREE (IP): 55, 56, 65 (only cast iron)
COOLING METHOD (IC): 411, 410, 416
AMBIENT TEMPERATURE: -55°C to +60°C
ENCLOSURE MATERIAL: Aluminum (A5C-A6C) Cast iron (B5C-B6C-B5H)
BEARING: Antifriction, sleeve (from frame 355)
APPLICATIONS: Cement, Chemical, Manufacturing processes, Metals, Mining, Power, Pulp and paper, Sugar mill, Water pumping and treatments
STANDARD / CERTIFICATE: IEC 60034
Main Options:
- PT100 in stator windings
- Anti-condensation heaters
- Special voltage
- Arrangement for vibration sensors
- Neutral point terminals in separate terminal box
- Insulated bearing and earthing brush
- Lubrication system for sleeve bearing
Maintenance and Care
To keep the performance of the electric motor optimal, regular maintenance is necessary. Some things that need to be considered are:
- Visual inspection: Check the physical condition of the motor regularly, such as any damage to the insulation, oil leaks, or signs of overheating.
- Cleaning: Clean the motor from dust and dirt regularly.
- Lubrication: Ensure that the bearings are well lubricated.
- Component replacement: Replace worn or damaged components at regular intervals.
Conclusion
MarelliMotori A_C – B_C / B5H is an excellent choice for companies looking for a reliable, efficient, and durable electric motor solution. With excellent features and proven performance, these motors can increase productivity, reduce operating costs, and contribute to environmental sustainability.
Source: www.marellimotori.com
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