The AR-1220 is designed to provide a steady, stable 120 VAC output. It accepts input voltages from 97V to 141V and transforms them to a constant 120V, ±5V. Voltages beyond that range may also be converted to usable levels, depending on how far out of range they are. The AR-1220 can handle loads totaling up to 20 amps as long as the input voltage is above 124 volts. For voltages below that level, its capacity must be derated at approximately .15 ampere per volt.

FEATURES

• Delivers a stable 120 plus or minus 5 VAC whenever the input
• AC line voltage is between 97V and 141V
  
• Output capacity 20 amps
  
• Twelve 20A outlets on the back panel, two 15A outlets on the front
  
• 10-LED bar-graph Input Voltage meter
  
• 10-LED bar-graph Output Current meter
  
• Extreme overvoltage/undervoltage causes instant shutdown, protecting equipment
  
• Extreme Voltage Shutdown indicator LED
  
• Output In Regulation indicator
  
• Low stray magnetic field leakage