Leroy Somer AVR R180 – Automatic Voltage Regulator

The Leroy Somer R180 is a reliable and compact Automatic Voltage Regulator (AVR) designed for small to medium alternators using a SHUNT excitation system. It ensures stable voltage output and smooth generator performance even under load variations. With its rugged construction and efficient design, the R180 provides dependable operation and easy integration for general-purpose and light industrial generator applications.

Key Specifications:

• Voltage Regulation: ±1% steady-state accuracy

• Excitation Current: Up to 4 A continuous

• Sensing Voltage Range: 170 V – 260 V AC (50/60 Hz)

• Response Time: <500 ms typical

• Operating Temperature: –40 °C to +70 °C

• Excitation System: SHUNT type

• Protection: Over-excitation and thermal protection built-in