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Liquid-cooled 3-phase induction motorsSLSHR range
55 kW to 1500 kW
4958 en - 2012.10 / b
LIQUID-COOLED 3-PHASE INDUCTION MOTORSSLSHR range - 55 kW to 1500 kW
The SLSHR range is designed to satisfy the demands of extreme environments or particular constraints.It offers several advantages: reduction in size, reduction in noise level and energy savings due to the high efficiency.Leroy-Somer's liquid-cooled motors are particularly suitable for Variable Speed operation: no derating, no external ventilation such as a forced ventilation unit, operation at high speed, etc.Leroy-Somer's international references bear witness to the reliability and proven performance of this technology in the eyes of manufacturers, integrators and users of rotating electrical machinery.
Cooling characteristics
Comparison of air/water-cooled version sizes
TypeRated power Type
Rated power Type
Rated power
(kW) (kW) (kW)SLSHR 280 200 SLSHR 280 200 SLSHR 280 132SLSHR 315 250 SLSHR 315 250 SLSHR 315 160
SLSHR 315 315 SLSHR 315 355 SLSHR 315 250
SLSHR 355 400 SLSHR 355 450 SLSHR 355 300
SLSHR 355 500 SLSHR 355 500 SLSHR 355 350
SLSHR 355 LK 630 SLSHR 400 630 SLSHR 355 450
SLSHR 400 750 SLSHR 400 800 SLSHR 400 600
SLSHR 450 1000 SLSHR 450 800SLSHR 500 1500 SLSHR 500 1000
Frame sizeMinimum water flow
(litre/min)
Water inlet pressure(bar)
Water temperature
(°C)minimum maximum
280 20 2 5 < 7
315 30 2 5 < 7
355 L 60 2 5 < 7
355 LK - 400 L 80 2 5 < 7
400 LK - 450 90 2 5 < 7500 95 2 5 < 7
Frame sizeMotor length
AirMotor length
WaterMotor height
AirMotor height
Water
280 959 805 719 709
315 1177 986 840 829
355 L 1303 1098 922 904
355 LK - 400 L 1702 1368 1162 1135400 LK - 450 1740 1591 1260 1260
2 poles400 V/50 Hz
4 poles400 V/50 Hz
6 poles400 V/50 Hz
The bearing housings can be liquid-cooled depending on the frame size or requirements concerning the bearings
The double-walled steel housing circulates the liquid uniformly
The electrical design benefits from the
latest LS innovations in efficiency according
to the ErP European Directive
IP56
LIQUID-COOLED 3-PHASE INDUCTION MOTORSSLSHR range - 55 kW to 1500 kW
IndustryExtrudersCompressorsTest benchTunnel-boring machines
MarineHoistingMain propulsionBow thruster unitFire pumps
EnergyGenerators for hydroelectric or wind-powered turbines
10040
50
60
70
80
90
100
200 300 400 500 600Power (kW)
NoisedB (A)
700 800 900 1000
Air-cooled motors
SLSHR
Reduced noise level
Main applications
Specific output power Enhanced protection option
Modular mechanical system
0
0.2
0.4
0.6
0.8
1
10 20Frequency (Hz)
Torque(N.m)
5030 6040
TorqueRated torque
Variable speed operation
The design of the liquid-cooled SLSHR significantly reduces the noise level:-10 dB(A) compared with air cooling
Weight and dimensions can be as much as 25% less than an air-cooled motor.
The fabricated steel frame is designed to meet customers' requirements for many different sizes
Operation at constant torque acrossthe whole speed range, without derating
Design particularly suitable for sealed applications
2012
.03
/ f
Moteurs Leroy-Somer SAS - RCS 338 567 258 ANGOULÊME - Capital de 65 800 512 €
I n t e r n a t i o n a l n e t w o r k
ALGERIAMOTEURS LEROY-SOMERINTERNATIONAL DIVISION (FRANCE)
AUSTRALIALEROY-SOMER PTY LTD
AUSTRIALEROY-SOMER MARBAISE GMBH (GERMANY)
BELGIUMLEROY-SOMER SA
BRAZILLEROY-SOMER DIVISIONEMERSON ELECTRIC DO BRASIL LTDA.
CANADALEROY-SOMER / CIM
CHINAEMERSON TRADING (SHANGHAI) CO LTD
CZECH REPUBLIC M.L.S. HOLICE SPOL SRO
DENMARKLEROY SOMER DANMARK A/S
EGYPTMOTEURS LEROY-SOMERINTERNATIONAL DIVISION (FRANCE)
FRANCEMOTEURS LEROY-SOMER
GERMANYLEROY SOMER MARBAISE GMBH
GREECELEROY SOMER LTD
HUNGARYIMI kft
INDIALEROY-SOMER DIVISIONEMERSON ELECTRIC CO
ITALYLEROY SOMER SPA
JAPANLEROY-SOMER DIVISIONEMERSON JAPAN LTD
KOREALEROY-SOMER DIVISIONEMERSON ELECTRIC (KOREA) LTD
NETHERLANDSLEROY-SOMER BV
POLANDFZN MARBAISE LS SP ZOO
ROMANIALEROY-SOMER DIVISIONEMERSON SRL
RUSSIALEROY-SOMER DIVISIONEMERSON LLC
SINGAPORELEROY-SOMER SOUTHEAST ASIA PTE LTD
SOUTH AFRICALEROY SOMER PTY LTD
SPAINLEROY SOMER IBERICA S.A.
SWEDENLEROY-SOMER NORDEN AB
SWITZERLANDLEROY-SOMER SA
TAIWANMOTEURS LEROY-SOMER (FRANCE)LIAISON OFFICE - C/O EMERSON (TAIWAN) CO LTD
THAILANDLEROY-SOMER DIVISIONEMERSON (THAILAND) LTD
TURKEYLEROY-SOMER ELEKTROMEKANIK SISTEMLERTICARET LTD STI
U.A.E.LEROY-SOMER DIVISIONEMERSON FZE
UNITED KINGDOMLEROY SOMER LTD
USA LEROY-SOMER POWER AND DRIVESEMERSON ELECTRIC CO
VENEZUELALEROY-SOMER DIVISIONEMERSON VENEZUELA CA
en -
Leroy-Somer reserves the right to modify the characteristics of its products at any time in order to incorporate the latest technological developments.The information contained in this document may therefore be changed without prior notice.
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