- Electricity - Electronics
- Energy: Production and Distribution
- Three-phase alternator
- Marelli Motori S.p.A.
Three-phase alternator MJRM series6-pole8-pole4-pole
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Characteristics
- Phase
- three-phase
- Number of poles
- 6-pole, 8-pole, 4-pole
- Electrical characteristics
- low-voltage
- Product applications
- generator
- Domain
- marine
- Power in kVA
4,000 kVA, 5,000 kVA, 5,400 kVA, 6,000 kVA, 6,500 kVA
(5,438.48 hp, 6,798.11 hp, 7,341.95 hp, 8,157.73 hp, 8,837.54 hp)- Voltage
1,000 V
Description
Housing
Rigid frame, rugged welded steel fabrication (EN 10025 - S235 JR).
Frame is provided with side ribs to increase the strength.
Marelli Motori generators for continuous duty operation are designed to meet vibration levels per IEC 60034-14, ISO 10816-1 and BS 5000-3.
Shield
Made of spheroidal graphite cast-iron (EN 1563) or grey cast-iron (EN 1561) up to 630 frame size.
Made of structural steel (EN 10025 – S235 JR) above.
Shaft
General data
Made in carbon steel and obtained by lamination (EN 10083–2 C40–TN).
Shaft is obtained by forging from 290 mm diameter and above.
The shaft is tested at the manufacturer in order to check it is defect-free.
Shaft design
Double bearing generator: cylindrical shaft with key.
Main terminal box
Mounted on side (right or left will be selected).
Made of formable steels EN 10130.
Fan
Made of aluminum alloy (EN 1706) or structural steel (EN 10025 – S235 JR) depending upon application requirments.
Catalogs
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See all of Marelli Motori S.p.A.‘s catalogsOther Marelli Motori S.p.A. products
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.