Leroy-Somer Industrial Alternator LSA 44.3
Leroy-Somer LSA 44.3 | 70 - 200 kVA
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Power 70 - 200 kVA*
Voltage 220 - 480V
Poles 4
Speed 1500 - 1800 rpm
Shaft height 270  mm
Max efficiency 95.7 %
Excitation SHUNT / AREP / PMG
Regulation R250 / D350 / D550

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

Applications

Commercial application
Commercial		 Industrial application
Industrial		 Powerplant application
Powerplants		 Marine application
Marine

Benefits

COMPACT
Opimized cooling system.

HIGH RELIABILITY
Class H insulation.

HIGH EFFICIENCY
Suited for prime applications 

Insulation class H
Winding pitch 2/3 (wdg 6)
Number of wires 12
Protection IP 23
Altitude ≤ 1000 m
Overspeed 2250 rpm
Air flow 0.25m3/s, 50 Hz -0.3m3/s, 60 Hz
Excitation system / AVR type SHUNT / R250 - AREP / D350
Voltage regulation (Steady state) ±0.5% SHUNT / ±0.25% AREP
Short-circuit current (3 IN / 10 s) 300 % (3 IN) : 10s

 

 

Regulators R250 D350 D550
Mains Paralleling - - ●
3-phase sensing - ● ●
Advanced settings - ● ●
Data logging & monitoring - ● ●
Remote communication - ● ●
Remote voltage potentiometer ○ ○ ○
CT for mains paralleling - ○ ○
R791 RFI suppression kit (standard in Europe) ○ ○ ○

● : Included             ○ : Option             - : Not available

 

 

Flex plate / Flange 1 2 3 4
14 ● - - -
11 ½ ● ● ● -
10 ● ● ● ●
8 - - ● ●
  • 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.