Leroy somer performance:

Leroy Somer LSA 50.2 alternator has been designed to offer you the best power generation performances. With its meticulous design and optimized architecture, the LSA 50.2 strikes the perfect balance between compactness, reliability, performance and longevity.

Whatever your application, the LSA 50.2 will meet your needs and will adapt to all situations.

Standards:

Nidec Leroy Somer LSA 50.2 alternator meets all key international standards and regulations, including IEC 60034,

NEMA MG 1.32-33, ISO 8528-3, CSA C22.2 n°100-14 and UL 1446 (UL 1004 on request). Also compliant with IEC 61000-6-2,

IEC 61000-6-3, IEC 61000-6-4, VDE 0875G, VDE 0875N and EN 55011, group 1 class A for European zone.

Nidec Leroy-Somer LSA 50.2 alternator can be integrated in EC marked generator set, and bears EC, EAC and CMIM markings. It is designed, manufactured and marketed in an ISO 9001 and ISO 14001 quality assurance environment.

Electrical characteristics and performances:

• Class H insulation
• 2/3 pitch winding, standard 6-wire (6S) reconnectable or 12-wire (6) optional

Voltage range:

– 50 Hz: 220V – 240V and 380V – 415V (440V)

– 60 Hz: 208V – 240V and 380V – 480V

• High efficiency and motor starting capacity
• Other voltages are possible with optional adapted windings:

– 50 Hz: 440V (no. 7), 500V (no. 9), 550V (no. 22 or 23), 600V (no. 22 or 23), 690V (no. 52)

– 60 Hz: 380V and 416V (no. 8), 600V (no. 9), 690V (no. 22 or 23)

Excitation and regulation system:

*3-phase sensing is included as a standard with digital regulators.

Protection system and options:

The LSA 50.2 is IP 23.Complete winding protection for clean environments with relative humidity ≤ 95 %, including indoor marine environments

*Options:

• Filters on air inlet: derating 5%
• Filters on air inlet and air outlet (IP 44): derating 10%
• Reinforced winding protection for harsh environments and relative humidity greater than 95%
• Space heater
• Thermal protection for stator windings and shields

Mechanical construction:

• Compact and rigid assembly to better withstand generator vibrations
• Steel frame
• Cast iron flanges and shields
• Two-bearing and single-bearing versions designed to be suitable for engines on the market
• Half-key balancing
• Greased for life bearings, regreasable bearings (optional)
• Standard direction of rotation: clockwise when looking at the drive end view (for anti-clockwise, derate the machine by 5%)

Terminal box design:

• Easy access to the voltage regulator and to the connections
• Possible inclusion of accessories for paralleling, protection and measurement
• Connection bars for voltage reconnection

* kVA/50Hz – kW/60Hz | Continuous / 40°C (Discrepancies may occur, consult catalogue for exact figures)