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Leroy-Somer Electric Power Generation, a business unit of the Nidec Group, is the global leader in industrial alternators. Leroy-Somer specializes in the supply of industrial alternators in low, medium and high Voltage configurations from 5KW to 25MW, up to 15000V. Leroy Somer uses high quality component parts in the construction of alternators: Genuine Automatic Voltage regulators, Diode Assembly kits and other parts are available as replacement part. Always use Genuine parts. Do not compromise on parts quality.
Frequently asked questions about Leroy Somer alternator parts:
What Leroy Somer AVR models do you stock? We stock a range of Automatic Voltage Regulator (AVR) models for Leroy Somer alternators, along with diode assembly kits and individual link diodes. Check the product listings below, or send us your alternator’s model number to confirm the correct AVR.
How do I know which AVR or diode kit fits my alternator? Check your alternator’s nameplate for the exact model number, then match it against the compatible AVR/diode listings here. If you’re not sure, send us the alternator model number and we’ll confirm the right part before you order.
What’s the difference between an AVR and a diode assembly kit? The AVR regulates the alternator’s output voltage by controlling the excitation current. The diode assembly kit is part of the rotating rectifier system that converts AC to DC for the excitation circuit. They’re separate components and typically fail independently — a diode fault often shows up as a fluctuating or dropping voltage even with a healthy AVR.
Are these genuine Leroy Somer parts? Yes — the AVRs, diode kits, and other components listed in this category are genuine Leroy Somer parts.
Do you ship Leroy Somer parts internationally? Ghaddar Machinery Co. has supplied engines, alternators, and parts across the Middle East, Near East, Africa, Europe, and South America since 1980. Contact us with your location and the part number to confirm shipping.
