Leroy-Somer LSA 52.3
High performance and reliable industrial alternator for all types of generator sets
| Power | 1860 – 2500 kVA* |
| Voltage | 380 – 690 V |
| Poles | 4 |
| Speed | 1500 – 1800 rpm |
| Shaft height | 450 mm |
| Max efficiency | 96.7 % |
| Excitation | AREP |
| Regulation | D550 |
* kVA/50Hz – kW/60Hz
(Discrepancies may occur, consult catalogue for exact figures)
Applications
 Commercial |  Industrial |  Powerplants |  Marine |
Benefits
COMPACT
Opimized cooling system.
HIGH RELIABILITY
Class H insulation.
HIGH EFFICIENCY
Suited for prime applications
| Insulation class | H |
| Winding pitch | 2/3 (n° 6S) |
| Number of wires | 6 |
| Protection | IP 23 |
| Altitude | ≤ 1000 m |
| Overspeed | 2250 min-1 |
| Air flow | 2.5 m3/s (50 Hz) – 2.8 m3/s (60 Hz) |
| Excitation system / AVR type | AREP + PMI / D510C |
| Voltage regulation (Steady state) | ± 0,25% |
| Short-circuit current (3 IN / 10 s) | 300 % (3 IN) : 10s |
- Regulation
Regulators D510C R449 Mains Paralleling ● – 3-phase sensing ● – Advanced settings ● – Data logging & monitoring ● – Remote communication ● – Remote voltage potentiometer ○ ○ CT for mains paralleling ○ ○ R791 RFI suppression kit (standard in Europe) ○ ○ ● : Included ○ : Option – : Not available
- Coupling
Flex plate / Flange 0 00 21 – ● 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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