... .Best after-sale servie STAMFORD AVR SX460: AVR SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator(AVR) and forms part of ... : 0 ~ 0.3A Operating temperature: -40 ~ 70 Ralated AVR SUPPLY:We also supply AVR as follows: Stamford series: SX440,AS440,MX341,AS480 ... ,YS-3KW,YS-5KW,YS-7KW,YS-8KW,YS-10KW AVR:ST,STC,KXT-2WC Note: buyers are responsible for all ...