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Leroy-Somer LSA 42.3 User Manual

Leroy-Somer LSA 42.3
22 pages
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. . ; ;oy Scooter
4803 en-2011.12/b
LSA 42.3 - 4 POLES
ALTERNATOKS
Installation and maintenancé
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Leroy-Somer LSA 42.3 Specifications

General IconGeneral
TypeAlternator
Number of Poles4
Voltage400V
Frequency50/60 Hz
CoolingIC01
Protection DegreeIP23
Insulation ClassH
Ambient Temperature40°C
Altitude1000m
EfficiencyUp to 93%
Excitation SystemBrushless
Frame Size42.3
MountingFoot mounted

Summary

LSA 42.3 - 4 POLES ALTERNATORS

SAFETY MEASURES

TECHNICAL CHARACTERISTICS

INSTALLATION

Checks Prior to First Use

Perform electrical checks (insulation resistance) and mechanical checks (bolts, cooling, rotation direction) before initial operation.

Terminal Connection Diagrams

Provides diagrams for wiring stator cables based on winding code. All terminal work must be done with the machine stopped.

Commissioning and Setting Up

Start-up requires compliance. Test speed/voltage. Adjustments by qualified engineer using AVR. Ensure correct drive speed.

SERVICING - MAINTENANCE

Fault Detection

Methods to identify malfunctions. Covers mechanical defects (overheating, vibration) and electrical faults (voltage issues).

Mechanical Defects

Troubleshooting guide for bearing overheating, frame overheating, vibrations, and abnormal noise. Includes possible causes and actions.

Electrical Faults

Troubleshooting guide for no voltage, low/high voltage, voltage oscillations, and voltage disappearance. Covers checks and causes.