Marelli AVR M25FA600A – Automatic Voltage Regulator

The Marelli M25FA600A is a high-performance Automatic Voltage Regulator (AVR) designed for precise voltage control in Marelli Motori alternators. It ensures stable generator output by regulating excitation current, delivering consistent voltage under variable load and speed conditions. Engineered with robust electronic components and advanced protection features, the M25FA600A offers reliability, durability, and excellent performance for industrial, commercial, and continuous-duty generator applications.

Key Specifications:

• Voltage Regulation: ±1% steady-state accuracy

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

• Output Current: Up to 6 A continuous

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

• Protection: Built-in over-excitation, under-frequency, and thermal protection

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

• Compatibility: Suitable for Marelli Motori MJB and MXB series alternators