Marelli AVR M40FA610A – Automatic Voltage Regulator

The Marelli M40FA610A is a robust and efficient Automatic Voltage Regulator (AVR) designed for high-performance Marelli Motori alternators. It ensures precise voltage regulation by automatically adjusting the excitation current, maintaining a stable output voltage even under dynamic load or speed variations. Built with advanced technology and durable components, the M40FA610A provides reliable performance, extended service life, and excellent voltage stability in industrial and commercial power generation systems.

Key Specifications:

• Voltage Regulation: ±1% steady-state accuracy

• Input Supply: 50/60 Hz, 190–480 V AC sensing

• Output Current: Up to 10 A continuous

• Excitation System: Compatible with SHUNT, AREP, or PMG excitation

• Protection: Over-excitation, thermal, and under-frequency protection integrated

• Design: Heavy-duty, compact, and easy to install

• Compatibility: Suitable for Marelli Motori MJB, MXB, and equivalent high-capacity alternators