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Regency Generators Knowledge Base

All About the Leroy Somer LSA42.3 S4 Alternator

What is the Leroy Somer LSA42.3 S4 Alternator?

The Leroy Somer LSA42.3 S4 is a part of the LSA42.3 series. It is a compact and durable alternator that can be used for the typical generator applications such as prime and back up power, marine applications and telecommunications.

As standard the Alternator has a shunt excitation system however it is also available with an auxiliary wound or PMG system as extra options.

Where is the Leroy Somer LSA42.3 S4 Alternator currently manufactured?

This alternator is currently manufactured in the Czech Republic.

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

What is the power rating of the Leroy Somer LSA42.3 S4 Alternator?

At 50 Hz, this reliable alternator can produce a prime power output of 35 kVA and a standby power output of 38.5 kVA. The alternator has a 0.8 power factor.

Where can I find further information on the Leroy Somer LSA42.3 S4 Alternator?

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

The maximum efficiency of the alternator is 93.7%.

The alternator has an IP23 rating and a material insulation rating of class H.

How is the quality of the Leroy Somer LSA42.3 S4 Alternator assured? 

As with all Leroy Somer alternators, the LSA42.3 S4 is manufactured to the ISO 9001 certification. This ensures that all production procedures will be maintained to a high standard so that the final product is always of the expected quality.