... delivery time 3.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 the excitation system for ... R230,R438,R448,R449,R250 Universal AVR:GAVR-8A,GAVR-12A,GAVR-15A AVR for brush generator:YS-100,YS ... ,YS-5KW,YS-7KW,YS-8KW,YS-10KW AVR:ST,STC,KXT-2WC Note: buyers are responsible ...