What is MarelliMotori Series Motors Industrial B_V – B_VH?
One of the industry leaders in electric motors, MarelliMotori, never stops innovating to meet the needs of its customers. The B_V-B_VH motor series is one that stands out. This motor series offers consistent performance, exceptional durability, and high efficiency because it was designed specifically for heavy industrial applications. The B_V – B_VH series motors’ premium cast steel frame provides remarkable strength and stiffness. Because class H insulation, which is resistant to high temperatures, is used inside the motor, it can operate in challenging conditions. Ball or cylindrical bearings designed especially for heavy loads and high speeds are used to guarantee optimum performance and a long service life.
Key Advantages
- High Performance: B_V – B_VH series motors are designed to provide high torque and optimal energy efficiency, even under heavy load conditions.
- Reliability: Made with high-quality materials and rugged construction, these motors have a long service life and withstand extreme working conditions.
- Flexibility: Available in various configurations to meet the needs of diverse applications, such as pumps, compressors, and other industrial equipment.
- Customization: MarelliMotori offers customization options to meet customer-specific requirements, such as different voltages, frequencies, and protection levels.
- Protection: High protection levels protect the motor from dust, water, and corrosive environments.
Application
The B_V – B_VH series motors are well suited for various heavy industrial applications, among them:
- Oil and Gas industry: Pump drives, compressors, and other production equipment.
- Maritime Industry: Ship propulsion drives, pumps, and other support equipment.
- Metallurgical Industry: Rolling mill drives, cranes, and other metal processing equipment.
- Cement Industry: Ball mill drives, kilns, and other production equipment.
Performance and Reliability
The performance of B_V – B_VH series motors is greatly influenced by several factors, such as:
- Quality of materials: The use of high-quality materials such as stainless steel and F-class insulation ensures optimal performance and long service life.
- Design: Advanced and efficient motor design maximizes motor performance and minimizes energy loss.
- Cooling system: An effective cooling system keeps the motor temperature stable, thus preventing damage due to overheating.
Thereliability of these motors is demonstrated by their ability to operate continuously under difficult conditions and harsh environments. This is especially important in industrial applications that demand high reliability.

Additional Features
To improve performance and flexibility, the B_V – B_VH series motors are equipped with several additional features, such as:
- Lubrication system: Reliable lubrication system for bearings.
- Air filter: Air filter to protect the motor from contamination.
- Ducting: Ducting options to improve cooling efficiency.
Technical Features
- SERIES: B_V (low voltage) / B_VH (medium voltage)
- POWER: Up to 4500 kW
- VOLTAGE: Up to 6600 V
- FRAME: 355 to 710
- POLE: 4 to 10
- FREQUENCY: 50 Hz, 60 Hz or variable speed
- PROTECTION DEGREE (IP): 44,54,55,56
- COOLING METHOD (IC): 81W, 86W
- AMBIENT TEMPERATURE: -20°C to +60°C
- WATER TEMPERATURE: Up to 50°C
- ENCLOSURE MATERIAL: Welded steel
- BEARING: antifriction, sleeve
- APPLICATIONS: Dredge, Hybrid machine, Propulsion, PTO-PTI system, Winch, Thrusters, Fi-Fi system
- STANDARD / CERTIFICATE: IEC 60034
Main Options:
- PT100 in stator windings
- Anti-condensation heaters
- Special voltage
- Arrangement for vibration sensors
- Insulated bearing and earthing brush
- Horizontal or vertical shaft design
- Neutral point terminals in separate terminal box
- Lubrication system for sleeve bearing
Conclusion
MarelliMotori’s B_V – B_VH series industrial motors are the right choice for industries that require electric motors with high performance, reliability, and exceptional durability. With comprehensive technical specifications and a wide range of additional features, these motors are capable of overcoming challenges in even the most demanding industrial applications.
Source: www.marellimotori.com
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