Product Description
Mecc Alte DER1/A Electronic Regulator Kit
391600171 AVR's & Accessories
The DER1/A is an AVR (Automatic Voltage Regulator) used on Meccalte AC alternators. It has different pots such as “VOLT” for voltage adjustments, “STAB” for stability adjustments, “HZ” for underfrequency threshold calibration and “AMP” for excitation overcurrent threshold calibration. The DER1/A is set with factory settings and it needs adjusting in order to meet your diesel generator specification.