Leroy-Somer Industrial Alternator LSA 40
Leroy-Somer LSA 40 | 10 - 20 kVA
High performance and reliable industrial alternator for all types of generator sets
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Power 10 - 20 kVA*
Voltage 220 - 480V
Poles 4
Speed 1500 - 1800 rpm
Shaft height 160 mm
Max efficiency 91.3 %
Excitation SHUNT / AREP
Regulation R220 / D350 / D550

* kVA/50Hz - kW/60Hz | Continuous / 40°C
(Discrepancies may occur, consult catalogue for exact figures)

Applications

Industrial application
Industrial		 Telecom application
Telecom		 Commercial application
Commercial
Marine

Benefits

COMPACT
Opimized cooling system

HIGH RELIABILITY
Class H insulation

HIGH EFFICIENCY
Suited for prime applications

Insulation class H
Winding pitch 2/3 (winding 6)
Number of wires 12
Protection IP 23
Altitude ≤ 1000 m
Overspeed 2250 rpm
Air flow 0.06m3/s, 50 Hz - 0.072m3/s, 60 Hz
Excitation system / AVR type

AREP / D350 or D550

SHUNT / R220 
Voltage regulation (Steady state) ± 0,25% AREP / ± 0.5% SHUNT

 

 

Regulators R220 D350 D550
Mains Paralleling - - ●
3-phase sensing - ● ●
Advanced settings - ● ●
Data logging & monitoring - ● ●
Remote communication - ● ●
Remote voltage potentiometer - ○ ○
CT for paralleling - ○ ○
R791 RFI suppression kit (standard in Europe) ○ ○ ○

● : Included             ○ : Option             - : Not available

 

 

Flex plate / Flange 3 4 5
11½ ● - -
10 ● ● -
8 ● ● -
7 ½ - ● ●
6 ½ - ● ●
  • Other voltages available (specific windings).
  • Space heater.
  • Winding protection for harsh environments and relative humidity above 95%.
  • Specific cable outlet.
  • Temperature detectors.
  • Thermal protection for winding and shields.
  • Remote Voltage Trimmer.
  • Filters on air inlet: derating 5%.
  • IP 44 Filters on air inlet and air outlet : derating 10%.
  • Lower shaft height on demand.
  • Two bearing.
  • Customizable Painting.