Leroy-Somer LSA 46.3
High performance and reliable industrial alternator for all types of generator sets
| Power | 180 – 365 kVA* |
| Voltage | 220 – 480V |
| Poles | 4 |
| Speed | 1500 – 1800 rpm |
| Shaft height | 280 mm |
| Max efficiency | 95.9 % |
| Excitation | SHUNT / AREP / PMG |
| Regulation | R250 / D350 / D550 |
* kVA/50Hz – kW/60Hz | Continuous / 40°C
(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 (winding 6) |
| Number of wires | 12 |
| Protection | IP 23 |
| Altitude | ≤ 1000 m |
| Overspeed | 2250 min-1 |
| Air flow | 0.48m3/s, 50 Hz – 0.58 m3/s, 60 Hz |
| Excitation system / AVR type | SHUNT / R250 – AREP or PMG / D350 |
| Voltage regulation (Steady state) | ±0.5% SHUNT / ±0.25% AREP |
| Short-circuit current (3 IN / 10 s) | 300 % (3 IN) : 10s |
- Regulation
Regulators R250 D350 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 3 2 1 1/2 0 11 ½ ● ● – – – 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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