Leroy-Somer TAL 0473 All-purpose Industrial Alternator Suitable for All Standard Generators Sets Applications

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Power 410 – 660 kVA*
Voltage 220 – 480 V
Poles 4
Speed 1500 – 1800 rpm
Shaft height 355 mm
Typical efficiency 94.9 %
Excitation SHUNT / AREP+ / PMG
Regulation D350 / R180 / R150 (standard)

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


Stand-by application
Industrial application
Telecom application
Commercial application


The TAL alternator range is designed to meet the needs of general applications such as prime power and stand-by.

All products in the TAL series are manufactured to Leroy-Somer high quality standards and are built with class H insulation materials.

Nidec Leroy-Somer TAL 0473 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 TAL 0473 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.

Key Features

Insulation class H
Winding pitch 2/3 (wind.6S – 6-wire / wind.6 – 12-wire)
Number of wires 6-wire (12-wire option)
Protection IP 23
Altitude ≤ 1000 m
Overspeed 2250 rpm
Air flow 0.9m3/s, 50 Hz – 1.1 m3/s, 60 Hz
Excitation system / AVR type SHUNT : R150
AREP+ or PMG : R180
Voltage regulation (Steady state) R150 : ±0.8%
R180 : ±0.5%


  •  Three-phase 12-wire with 9-terminal plates
  •  AREP+ or PMG excitation
  •  ULc/us
  •  Customized painting
  •  Space heaters
  •  Droop kit for alternator paralleling
  •  Stator sensors
  •  Winding 8 optimized for three-phase 380V – 416 V / 60 Hz
  •  Winding protection for harsh environments and relative humidity greater than 95% (system 2 – 4): for TAL 0473 A, D & F apply a derating coefficient of 0.95


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