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Regency Generators Knowledge Base

All About the Leroy Somer LSA42.3 S5 Alternator

What is the Leroy Somer LSA42.3 S5 Alternator?

The Leroy Somer LSA42.3 S5 is one of the mid sized alternators from the LSA42.3 series. The compact and rigid alternator has been engineered so that it is able to withstand the vibrations from the complete generator set, giving it a very durable design.

The LSA42.3 S5 has been designed so that is capable of being used for any of the typical generator applications such as telecommunications, rental and backup power.

Where is the Leroy Somer LSA42.3 S5 Alternator currently manufactured?

The Leroy Somer LSA42.3 S5 is currently manufactured in the Czech Republic.

Need a diesel generator? Our UK made generators use this Leroy Somer alternator.

What is the power rating of the Leroy Somer LSA42.3 S5 Alternator?

The prime power output of this alternator is 40 kVA and the standby power output is 45 kVA (both 50Hz).

The power factor of the alternator is 0.8.

Where can I find further information on the Leroy Somer LSA42.3 S5 Alternator?

As standard, the LSA42.3 S5 has a shunt excitation system but both the AREP (auxiliary wound) and PMG excitation systems are also available.

The maximum efficiency of the 4 pole alternator is 93.7%.

The shaft height is 180 mm and the total weight of the single bearing option is 165 kg.

How is the quality of the Leroy Somer LSA42.3 S5 Alternator assured? 

The Leroy Somer LSA42.3 S5 is manufactured to the ISO 9001 certification. This ensures that the alternator can be purchased with the confidence that it will be of a high standard and meet the customers needs.