Marelli Motori Electric Motors and Generators

Marelli Motori stands as a global titan in the design and manufacture of high-efficiency electric motors and generators, driving mission-critical applications across the marine, oil & gas, and renewable energy sectors.

Marelli Motori employs around 500 people and operates an extensive manufacturing facility in Italy with subsidiaries in the United States, Germany, South Africa, and Malaysia, and has an extended sales, distribution, and service network across four continents, supplying its technologically advanced products in more than 120 countries. In 2019, Marelli Motori was acquired by Langley Holdings plc, a British engineering and industrial group.

The Products of Marelli Motori Electric Motors and Generators

Motors

Marelli Motori manufactures electrical motors suitable for a variety of applications

Hydropower

C3G – C4G Motors

SERIES: C3G, C4G (low voltage) C3GH, C4GH (medium voltage)
POWER: Up to 3400kW
VOLTAGE: Up to 6600 V
FRAME: 280 to 710
POLE: 2 to 16
FREQUENCY: 50 Hz, 60 Hz or variable speed
PROTECTION DEGREE (IP): IP23
COOLING METHOD (IC): 01, 06
AMBIENT TEMPERATURE: -20°C to +60°C
ENCLOSURE MATERIAL: Welded steel
BEARING: antifriction, sleeve (from frame 355)
APPLICATIONS: Cross-Flow turbines, Francis turbines, Kaplan turbines, Pelton turbines, Turgo turbines
STANDARD / CERTIFICATE: IEC 60034

B_J B_JH Motors

SERIES: B_J (Low Voltage) / B_JH (Medium Voltage)
POWER: Up to 3500 kW
VOLTAGE: Up to 6600 V
FRAME: 315 to 630
POLE: 4 to 14
FREQUENCY: 50 Hz, 60 Hz or variable speed
PROTECTION DEGREE (IP): 55, 56
COOLING METHOD (IC): 71W
AMBIENT TEMPERATURE: -20°C to +60°C
WATER TEMPERATURE: Up to 50°C
ENCLOSURE MATERIAL: Welded steel
BEARING: antifriction, sleeve (from frame 355)
APPLICATIONS: Cement, Manufacturing processes, Metals, Mining, Power, Pulp and Paper, Sugar mill, Water pumping and treatments, Propulsion, Thruster, Dredge pump, Hybrid machine, PTO-PTI system
STANDARD / CERTIFICATE: IEC 60034

Generators

Marelli Motori designs and manufactures electric generators for applications that combine heat and power

MJRM – MJHRM Generators

SERIES: MJRM (Low Voltage) / MJHRM (Medium Voltage)
POWER: Up to 12000 kVA
VOLTAGE: Up to 15000 V
FRAME: 315 – 1250
POLES: 4 to 12
FREQUENCY: 50/60 Hz or variable speed
PROTECTION DEGREE (IP): 44 (up to 56 on request)
COOLING METHOD (IC): 81W
AMBIENT TEMPERATURE: 0°C to +60°C
WATER TEMPERATURE: Up to 40°C
AVR: E-Vo up to 630 frame; D-Vo Light above (Low Voltage) / D-Vo Light (Medium Voltage)
BEARINGS: antifriction or sleeve (on request)
APPLICATIONS: Auxiliary Generator, Shaft Generator, Hybrid Machine, Variable speed generator, Off-shore, PTO-PTI system
STANDARDS: IEC 60034-1 – BS 4999-5000 – NEMA MG 1.32
CERTIFICATIONS: Marine Survey Certificates