What is the Leroy Somer LSA40 S3 Alternator?

The Leroy Somer LSA40 S3 is the median sized alternator from Leroy Somer's small LSA40 range. It is a compact and rigid generator meaning it is able to withstand the vibrations from the generator set. The alternator has been designed so that it can be used for a wide variety of standard generator applications such as backup power and marine applications.

As standard the alternator has a shunt excitation system and it also has the option of an AREP (auxiliary wound) excitation. 

Where is the Leroy Somer LSA40 S3 Alternator currently manufactured?

This reliable 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 LSA40 S3 Alternator?

The prime power output of the LSA40 S3 is 15 kVA and the standby power output is 16.5 kVA (at 50 Hz). The power factor of the alternator is 0.8.

Where can I find further information on the Leroy Somer LSA40 S3 Alternator?

The dual speed alternator can be ran at either 1500 or 1800 rpm. 

The maximum efficiency of the alternator is 91.3% and the alternator has 4 poles.

The total weight of the single bearing alternator is 87 kg.

How is the quality of the Leroy Somer LSA40 S3 Alternator assured? 

All stages of production and marketing for the Leroy Somer LSA40 S3 are completed inline with the guidelines for the ISO 9001 and ISO 14001 certification. This ensures that the alternator will be manufactured to a high and long lasting quality.