SS350 AVR - McPherson Controls - Automatic Voltage Regulator - 2 Year Warranty! : Automotive Automotive › Replacement Parts › Starters & Alternators › Alternators & Generators › Voltage Regulators Select delivery location Quantity:Quantity AVR With Under Frequency Protection McPherson Controls | Voltage Regulator | SS321 || Brags & Hayes SS350 AVR Voltage Regulator Regulación de voltaje <± 1% (con 4% de control del motor). Interruptor de entrada de detección de 120/240 VCA opcional. 50/60 Hz, Jumper seleccionable Optional 120/240 VAC Sensing Input Switch , 50/60 Hz, Jumper Selectable , Under Frequency Protection Automatic Voltage Regulator McPherson Controls SS460 AVR Replacement - Compatible Part SS460 Replacement Part Built-in High Breaking Capacity Fuse - EMI Suppression