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Regency Generators Knowledge Base

All About the Leroy Somer LSA46.3 M7 Alternator

What is the Leroy Somer LSA46.3 M7 Alternator?

The Leroy Somer LSA46.3 M7 is a mid range alternator from the LSA46.3 series. It is a 4 pole, dual speed alternator which has been designed so that it is able to be utilised for the majority of typical generator set applications.

The alternator has a shunt excitation system as standard but also has the option of either an AREP or PMG excitation system as well.

Where is the Leroy Somer LSA46.3 M7 Alternator currently manufactured?

As with the rest of the LSA46.3 series, this alternator is manufactured in France.

Need a generator? Our UK manufactured diesel generators include this alternator.

What is the power rating of the Leroy Somer LSA46.3 M7 Alternator?

At 50 Hz, the prime power output is 275 kVA and the standby power output is 303 kVA. The power factor is 0.8.

Where can I find further information on the Leroy Somer LSA46.3 M7 Alternator?

The IP rating is IP23 and the material insulation class is class H.

The maximum efficiency is 95.9%.

How is the quality of the Leroy Somer LSA46.3 M7 Alternator assured? 

It is manufactured to the ISO 9001 certification to ensure that the alternator is to the expected quality.