Product Card

Alternator Specifications
Alternator Leroy Somer
Model LSA47.2 M7
Voltage V 400
Frequency Hz 50
Power factor cos ϕ 0.8
Poles 4
Standard AVR R450
Voltage tolerance % 0.5
Efficiency @ 75% load % 94.9
Class H
IP protection 23
SPECIALLY ADAPTED TO APPLICATIONS
The LSA 47.2 alternator is designed to be suitable for typical generator applications,
such as: backup, marine applications, rental, telecommunications, etc.
TOP OF THE RANGE ELECTRICAL PERFORMANCE
● Class H insulation.
● Standard 12 wire re-connectable winding, 2/3 pitch, type no. 6.
● High efficiency and motor starting capacity.
● R 791 interference suppression conforming to standard EN 55011 group 1 class B
standard for European zone (CE marking).
EXCITATION AND REGULATION SYSTEM
● Excitation system: AREP
● Voltage A.V.R.: R 450
REINFORCED MECHANICAL STRUCTURE
● Compact rigid assembly to better withstand generator vibrations.
● Steel frame
●Cast iron flanges and shields.
● single-bearing designed to be suitable for heat engines.
● Half-key balancing bearing.
● Sealed for life ball bearing.
PROTECTION SYSTEM SUITED TO THE ENVIRONMENT
● The LSA is IP 23.
● Winding Protection for clean environments with relative humidity ≤ 95%, including
indoor marine environments.
COMPLIANT WITH INTERNATIONAL STANDARDS
The LSA alternator conforms to the main international standards and regulations:
- IEC 60034, NEMA MG 1.32-33, ISO 8528-3, CSA / UL 1146 (UL 1004 on request),
marine regulations, etc.
It can be integrated into a CE marked generator.
The LSA is designed, manufactured and marketed in an ISO 9001 environment and
ISO 14001.