Products: Nidec Leroy Somer LSA42.3

Leroy Somer LSA42.3 Alternators

The Best of Performance

The Nidec Leroy-Somer range of LSA42.3 alternators have been designed to offer you the best in power generation performance. With its meticulous design and optimized architecture, the LSA42.3 strikes the perfect balance between compactness, reliability, performance and longevity.

Whatever your application, Leroy Somer will meet your needs and will adapt to all situations.

 

 

Product Range Overview

Refer to the table below

Characteristics

  • Power
     25kVA - 60kVA

  • Voltage 400v

  • Poles 4 Pole 

  • Speed 1500 rpm

  • Max Efficiency 94.1% 

  • Standard AVR
     R220 

  • Excitation Brushless with AVR 

  • Winding Protection
     Tropicalised 

  • Paint
     RAL 7038 Grey (Standard) 

Key Features

  • Insulation Class Class H

  • Temperature Rise Class H

  • Number of Leads
     12

  • Protection IP23

  • Altitude <1000 masl

  • Overspeed 2250 rpm

  • Excitation system
     Shunt

  • Sustained Short Circuit Protection Optional

  • Short-circuit current
     300% for 10 s

Optional Equipment

  • Dedicated Voltages Spot Wound

  • Spacer Heater
     High Humidity

  • Winding Protection Harsh Environments

  • Stator Temp Detectors
     PT100

  • Bearing Temp Detectors PTC

  • Air Inlet Filters Derate by 5%

  • Customised Paint RAL Colours

  • Digital AVR's D350

  • Custom Cable Glands

Product Range

Overview

Models

  • Frame

  • LSA 42.3 VS1

  • LSA 42.3 VS2

  • LSA 42.3 VS3

  • LSA 42.3 S4

  • LSA 42.3 S5

  • LSA 42.3 M7

  • LSA 42.3 M8

  • LSA 42.3 L9

Prime Rated kVA & kW

  • Model kVA / kW

  • LSA 42.3 VS1
    25 / 20.0

  • LSA 42.3 VS2
    27 / 21.5

  • LSA 42.3 VS3
    32 / 25.5

  • LSA 42.3 S4
    35 / 28.0

  • LSA 42.3 S5
    40 / 32.0

  • LSA 42.3 M7
    45 / 36.0

  • LSA 42.3 M8
    50 / 40.0

  • LSA 42.3 L9
    60 / 48.0


  • Values a re at 1500rpm 50hz 400v ,1000masl 0.8pF Class H/H 

Experience Leroy Somer

Experience this range of alternators

 
 

Mounting Configurations ( Standard ) 

SAE 4 - 7.5

SAE 3 - 10

SAE 3 - 11.5​

Double Bearing

Support - Sales and After Market

Spare Parts & Technical Support

Please click on the link below for spare parts service and maintenance

Purchase Parts Online

Technical Feature Downloads

Leroy Somer EPG Overview

Leroy Somer LSA42.3 Range T.D.S.

Leroy Somer AVR R220 T.D.S.

Leroy Somer AVR D550 T.D.S. (Optional with SHUNT / AREP +)

Leroy Somer AVR D350 T.D.S. (Optional with SHUNT)

Winding Protections and Coatings

Connected Solutions - GenOSys

PDF Files

Leroy Somer LSA42.3 (L SAE 4 - 7.5)(225) PDF 

Leroy Somer LSA42.3 (L SAE 3 - 11.5)(225) PDF 

Leroy Somer LSA42.3 (L SAE 3 - 11.5)(180) PDF 

Leroy Somer LSA42.3 (L SAE 3 - 10)(225) PDF 

Leroy Somer LSA42.3 (L SAE 3 - 10)(180) PDF  

Leroy Somer LSA42.3 (L DB) PDF

Leroy Somer LSA42.3 (M SAE 4 - 7.5)(225) PDF 

Leroy Somer LSA42.3 (M SAE 4 - 7.5)(180) PDF 

Leroy Somer LSA42.3 (M SAE 3 - 11.5)(225) PDF 

Leroy Somer LSA42.3 (M SAE 3 - 11.5)(180) PDF 

Leroy Somer LSA42.3 (M SAE 3 - 10)(225) PDF 

Leroy Somer LSA42.3 (M SAE 3 - 10)(180) PDF 

Leroy Somer LSA42.3 (M5 DB) PDF

Leroy Somer LSA42.3 (S SAE 4 - 7.5)(225) PDF 

Leroy Somer LSA42.3 (S SAE 4 - 7.5)(180) PDF 

Leroy Somer LSA42.3 (S SAE 3 - 11.5)(225) PDF 

Leroy Somer LSA42.3 (S SAE 3 - 11.5)(180) PDF 

Leroy Somer LSA42.3 (S SAE 3 - 10)(225) PDF 

Leroy Somer LSA42.3 (S SAE 3 - 10)(180) PDF 

Leroy Somer LSA42.3 (S DB) PDF

Leroy Somer LSA42.3 (VS SAE 4 - 7.5)(225) PDF 

Leroy Somer LSA42.3 (VS SAE 4 - 7.5)(180) PDF 

Leroy Somer LSA42.3 (VS SAE 3 - 11.5)(225) PDF 

Leroy Somer LSA42.3 (VS SAE 3 - 11.5)(180) PDF 

Leroy Somer LSA42.3 (VS SAE 3 - 10)(225) PDF 

Leroy Somer LSA42.3 (VS SAE 3 - 10)(180) PDF 

Leroy Somer LSA42.3 (VS DB) PDF


CAD Files

Leroy Somer LSA42.3 (L SAE 3 - 11.5)(225) CAD (DXF)  

Leroy Somer LSA42.3 (L SAE 3-11.5)(180) CAD (DXF)  

Leroy Somer LSA42.3 (L SAE 3 - 10)(225) CAD (DXF)  

Leroy Somer LSA42.3 (L SAE 3 - 10)(180) CAD (DXF)  

Leroy Somer LSA42.3 (L DB)  CAD (DWG)

Leroy Somer LSA42.3 (M SAE 4 - 7.5)(225) CAD (DXF)  

Leroy Somer LSA42.3 (M SAE 4 - 7.5)(180) CAD (DXF)  

Leroy Somer LSA42.3 (M SAE 3 - 11.5)(225) CAD (DXF)  

Leroy Somer LSA42.3 (M SAE 3 - 11.5)(180) CAD (DXF)  

Leroy Somer LSA42.3 (M SAE 3 - 10)(225) CAD (DXF)  

Leroy Somer LSA42.3 (M SAE 3 - 10)(180) CAD (DXF)  

Leroy Somer LSA42.3 (M DB)  CAD (DWG)

Leroy Somer LSA42.3 (S SAE 4 - 7.5)(225) CAD (DXF)  

Leroy Somer LSA42.3 (S SAE 4 - 7.5)(180) CAD (DXF)  

Leroy Somer LSA42.3 (S SAE 3 - 11.5)(225) CAD (DXF)  

Leroy Somer LSA42.3 (S SAE 3 - 11.5)(180) CAD (DXF)  

Leroy Somer LSA42.3 (S SAE 3 - 10)(225) CAD (DXF)  

Leroy Somer LSA42.3 (S SAE 3 - 10)(180) CAD (DXF)  

Leroy Somer LSA42.3 (S DB)  CAD (DWG)

Leroy Somer LSA42.3 (VS SAE 4 - 7.5)(225) CAD (DXF)  

Leroy Somer LSA42.3 (VS SAE 4 - 7.5)(180) CAD (DXF)  

Leroy Somer LSA42.3 (VS SAE 3 - 11.5)(225) CAD (DXF)  

Leroy Somer LSA42.3 (VS SAE 3 - 11.5)(180) CAD (DXF)  

Leroy Somer LSA42.3 (VS SAE 3 - 10)(225) CAD (DXF)  

Leroy Somer LSA42.3 (VS SAE 3 - 10)(180) CAD (DXF)  

Leroy Somer LSA42.3 (VS DB)  CAD (DWG)

Service Offering Overview 

Maintenance & Installation Manual with Parts List

EC Declaration

CSA Certification of Compliance

SONCAP Certificate

UL - D350 Certificate of Compliance

UL - D550 Certificate of Compliance 

UL - D700 Certificate of Compliance 

UL - Component - Generators 

UL - Component - Generators (LSAH)

UL - Generators 

UL - Hubli Plant (India)