Experience industry-leading power stability with the Leroy Somer R120 Automatic Voltage Regulator (AVR) — engineered for high-performance generator systems where precision, reliability, and protection matter.

The R120 AVR delivers superior voltage control by constantly regulating output voltage and responding instantly to load changes. This ensures clean, consistent power for sensitive equipment, prevents voltage spikes, and dramatically extends generator life.

Key Features

Stable Voltage Output – Maintains voltage within tight tolerances under all load conditions.

Fast Response Time – Dynamic correction speeds that minimize fluctuation.

Robust Protection – Built-in safeguards against overvoltage, undervoltage, and electrical disturbances.

Wide Compatibility – Suitable for a wide range of generator alternators and control systems.

Easy Integration – Designed for simple installation and seamless operation in industrial, commercial, and standby power applications.

Why Choose Leroy Somer R120 AVR?

The R120 AVR is a benchmark in voltage regulation technology — delivering unmatched reliability for demanding environments. Whether you’re powering critical infrastructure, business operations, or heavy-duty industrial loads, this AVR ensures stable power delivery and peak performance from your generator.

With its rugged construction, consistent performance, and trusted brand legacy, the Leroy Somer R120 is the smart choice for serious power solutions.