Product Description
Leroy Somer R-180 Automatic Voltage Regulator
The Leroy Somer R-180 Automatic Voltage Regulator (AVR) is a high-performance, solid-state device engineered for precise voltage control of synchronous generators. Designed primarily for industrial alternators, including the TAL series, the R-180 ensures optimal excitation and generator stability under fluctuating load conditions. It features built-in under-frequency protection and is fully compatible with SHUNT, AREP, and PMG excitation systems, making it a highly versatile and reliable component for continuous and standby power generation applications.
Technical Specifications:
- Sensing Input: 220-480V AC (1-phase or 3-phase), 50/60 Hz
- Power Input: 70-140V AC (Compatible with Shunt, AREP, and PMG systems)
- Magnetic Field Output Voltage: Maximum 90V DC at 120V AC input
- Output Current: Continuous 6A, Transient 10A for 10 seconds
- Voltage Regulation Accuracy: ± 1% (with 4% engine governing)

Leroy Somer R-180 Automatic Voltage Regulator
Maximize your generator’s stability with the genuine Leroy Somer R-180 Automatic Voltage Regulator (AVR). Engineered for synchronous alternators, this replacement AVR delivers ±1% voltage regulation accuracy and supports SHUNT, AREP, and PMG systems. Buy the Leroy Somer R-180 today for reliable, industrial-grade power control.


