Mecc Alte AVR DER1 – Digital Automatic Voltage Regulator

The Mecc Alte DER1 is a next-generation Digital Automatic Voltage Regulator (AVR) developed to deliver precise voltage control and advanced performance in Mecc Alte alternators. Utilizing digital signal processing (DSP) technology, it provides fast and accurate regulation, easy parameter configuration, and enhanced system protection. The DER1 supports a wide range of excitation systems, making it ideal for industrial, commercial, and standby generator applications that demand reliability and precision.

Key Specifications:

• Voltage Regulation: ±1% steady-state accuracy

• Input Supply: 40–270 V AC, 50/60 Hz

• Sensing Voltage: 70–280 V AC (1-phase)

• Excitation Current: Up to 5 A continuous

• Technology: DSP-controlled digital regulation

• Protection: Over-voltage, under-voltage, over-excitation, and thermal protection

• Communication: RS485 interface for real-time monitoring and configuration

• Compatibility: Suitable for Mecc Alte ECO and ECP alternator series