LSA 40

10 - 20 kVA

Leroy-Somer LSA 40

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

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

Downloads

  • Key features
    Insulation class H
    Winding pitch 2/3 (winding 6)
    Number of wires 12
    Protection IP 23
    Altitude ≤ 1000 m
    Overspeed 2250 min-1
    Air flow 0.06m3/s, 50 Hz - 0.072m3/s, 60 Hz
    Excitation system / AVR type

    AREP / D350 or D510C

    SHUNT / R220

    PMG / D350 or D510C

    Voltage regulation (Steady state) ± 0,25% AREP /±1% SHUNT
  • Regulation
    Regulators R220 D350 D510C
    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 3 4 5
    11½ -
    10 -
    8 -
    7 ½ -
    6 -
  • 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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