Leroy-Somer LSA 49.3
High performance and reliable industrial alternator for all types of generator sets
| Power | 660 – 1000 kVA* |
| Voltage | 220 – 480V |
| Poles | 4 |
| Speed | 1500 – 1800 rpm |
| Shaft height | 400 mm |
| Max efficiency | 96.8 % |
| Excitation | AREP / PMG |
| Regulation | D350 / D550 |
* kVA/50Hz – kW/60Hz | Continuous / 40°C
(Discrepancies may occur, consult catalogue for exact figures)
Applications
 Commercial |  Industrial |  Powerplants |  Marine |
Benefits
LSA alternators are engineered to withstand the test of time and extreme conditions, sourcing the best materials and focusing on sturdy construction.
Theys are also highly customizable and can be adapted to fit any specification.
| Insulation class | H |
| Winding pitch | 2/3 (winding 6S) |
| Number of wires | 6 (12 option) |
| Protection | IP 23 |
| Altitude | ≤ 1000 m |
| Overspeed | 2250 min-1 |
| Air flow | 1 m3/s (50Hz) / 1.2 m3/s (60Hz) |
| Excitation system / AVR type | AREP or PMG / D350 |
| Voltage regulation (Steady state) | ± 0,25% |
| Short-circuit current (3 IN / 10 s) | 300 % (3 IN) : 10s |
- Regulation
Regulators D350 R450T 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 1 1/2 0 00 14 ● ● ● – 18 – – ● ● - 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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