Electric Power Generation: Nidec Power - Leroy Somer
Pure Energy Solutions for Sub-Saharan Africa

LSA40 Alternators
The Best of Performance
The Nidec Leroy-Somer range of LSA40 alternators have been designed to offer you the best in power generation performance. With its meticulous design and optimized architecture, the LSA40 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 10 -20 kVA
- Voltage 400V
- Poles 4 Pole
- Speed 1500 rpm
- Max Efficiency 91.3%
- Standard AVR R220
- Excitation Brushless with AVR
- Winding Protection Tropicalised
- Paint RAL7038 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 (With D350 AVR) Optional
- Short-circuit Current 300% for 10s
Optional Equipment
- Dedicated Voltages Spot Wound
- Spacer Heater High Humidity
- Winding Protection Harsh Environments
- Stator Temp Detector PT100
- Bearing Temp Detector PTC
- Air Inlet Filters Derate by 5%
- Customised Paint RAL Colors
- Digital AVR's D350
-
Custom Cable Glands
Product Range
Overview
Prime Rated kVA & kW
- Model kVA \ kW
- LSA 40 VS1 10.0 \ 8
- LSA 40 VS2 12.5 \ 10
- LSA 40 S3 15.0 \ 12
- LSA 40 S4 17.5 \ 14
- LSA 40 M5 20.0 \ 16
-
Values are at 1500rpm 50hz 400v, 1000masl 0.8pF Class H/H
Experience this range of alternators
Mounting Configurations ( Standard )
SAE 5 - 7.5
SAE 4 - 7.5
SAE 3 - 11.5
Double Bearing
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Options
Drawing-CAD LSA 40VS1 SAE 4-6.5 - 10kVA
Drawing-PDF LSA 40VS1 SAE 4-6.5 - 10kVA
Drawing-CAD LSA 40VS1 SAE 4-7.5 - 10kVA
Drawing-PDF LSA 40VS1 SAE 4-7.5 - 10kVA
Drawing-CAD LSA 40VS1 SAE 5-7.5 - 10kVA
Drawing-PDF LSA 40VS1 SAE 5-7.5 - 10kVA
Drawing-CAD LSA 40VS1 SAE DB - 10kVA
Drawing-PDF LSA 40VS1 SAE DB - 10kVA
Drawing-CAD LSA 40VS2 SAE 4-6.5 - 12.5kVA
Drawing-PDF LSA 40VS2 SAE 4-6.5 - 12.5kVA
Drawing-CAD LSA 40VS2 SAE 4-7.5 - 12.5kVA
Drawing-PDF LSA 40VS2 SAE 4-7.5 - 12.5kVA
Drawing-CAD LSA 40VS2 SAE 5-7.5 - 12.5kVA
Drawing-PDF LSA 40VS2 SAE 5-7.5 - 12.5kVA
Drawing-CAD LSA 40VS2 SAE DB - 12.5kVA
Drawing-PDF LSA 40VS2 SAE DB - 12.5kVA
Drawing-CAD LSA 40S3 SAE 4-6.5 - 15kVA
Drawing-PDF LSA 40S3 SAE 4-6.5 - 15kVA
Drawing-CAD LSA 40S3 SAE 4-7.5 - 15kVA
Drawing-PDF LSA 40S3 SAE 4-7.5 - 15kVA
Drawing-CAD LSA 40S3 SAE 5-7.5 - 15kVA
Drawing-PDF LSA 40S3 SAE 5-7.5 - 15kVA
Drawing-CAD LSA 40S3 SAE DB - 15kVA
Drawing-PDF LSA 40S3 SAE DB - 15kVA
Drawing-CAD LSA 40S4 SAE 4-6.5 - 17.5kVA
Drawing-PDF LSA 40S4 SAE 4-6.5 - 17.5kVA
Drawing-CAD LSA 40S4 SAE 4-7.5 - 17.5kVA
Drawing-PDF LSA 40S4 SAE 4-7.5 - 17.5kVA
Drawing-CAD LSA 40S4 SAE 5-7.5 - 17.5kVA
Drawing-PDF LSA 40S4 SAE 5-7.5 - 17.5kVA
Drawing-CAD LSA 40S4 SAE DB - 17.5kVA
Drawing-PDF LSA 40S4 SAE DB - 17.5kVA
Drawing-CAD LSA 40M5 SAE 4-6.5 - 20kVA
Drawing-PDF LSA 40M5 SAE 4-6.5 - 20kVA
Drawing-CAD LSA 40M5 SAE 4-7.5 - 20kVA
Drawing-PDF LSA 40M5 SAE 4-7.5 - 20kVA
Drawing-CAD LSA 40M5 SAE 5-7.5 - 20kVA
Drawing-PDF LSA 40M5 SAE 5-7.5 - 20kVA