Voltage Stabilizer 1)CE and ISO Certification 2)AVR: SX460,SX440,AS440, ... ,MX341, R448,R449,R230,YH-8A,YH-12A,etc. Voltage Stabilizer SX440 is a half-wave phase-controlled thyristor type Automatic ... 30 HzUnit power dissipation12 watts maximumBuild up voltage4 volts Voltage Stabilizer