... 1.for <24Kw brush type avr 2.factory direct sales 31 year warranty Brush Alternator avr GB100 Sensing Input Voltage:400VAC , 1 ... as follow:Stamford AVR:MX341,MX321,SX440,SX460,AS440Leroy Somer AVR:R230,R438,R448,R449Marathon AVR:SE350Siemens/Basler AVR:AVC63-7/7F, ... AVC63-7-1A,AVC63-7FSUniversal AVR:GAVR-8A, ...