LSA 42.3

25 - 60 kVA

Leroy-Somer LSA 42.3

LSA 42.3 industrial alternator

High performance and reliable industrial alternator for all types of generator sets

Power 25 - 60 kVA*
Voltage 220 - 480V
Poles 4
Speed 1500 - 1800 rpm
Shaft height 180 mm
Max efficiency 94.1 %
 Excitation SHUNT / AREP / PMG
 Regulation  R220 / 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
Optimized cooling system.

HIGH RELIABILITY
Class H insulation.

HIGH EFFICIENCY
Suited for prime applications 

 

Downloads

  • Regulation
    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

  • Coupling
    Flex plate / Flange 2 3 4
    11 ½ -
    10
    8 -
    7 ½ -
  • Key Features
    Insulation class H
    Winding pitch 2/3 (wdg 6)
    Number of wires 12
    Protection IP 23
    Altitude ≤ 1000 m
    Overspeed 2250 rpm
    Air flow 0.10m3/s, 50 Hz - 0.13m3/s, 60 Hz
    Excitation system / AVR type

    AREP / D350 or D550

    SHUNT / R220

    PMG / D350 or D550

    Voltage regulation (Steady state) ± 0.25% AREP / ± 0.5 SHUNT
    Short-circuit current (3 IN / 10 s) 300 % (3 IN) : 10s
  • Options
    • 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.
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