... 8)Regulation Accuracy: +/-0.5% steady state conditions,for rated voltage and PF9)Voltage Drift: +/-0.5 ... % of voltage change for 50°C T amb change10) Response Time: 1 cycle ( ... AVR: AS440, MX321, MX321-A, MX341,MX341-A, SX440, SX440-A, SX440-T, SX460, SX460-A.3. Leroysomer AVR: R230, ... visit our website: www.facfdz.comHave a nice day. Thanks. Marelli AVR M40FA640A for generator set