Cummins Generator Technologies offers Four Wire Dedicated Single phase AVR Generators, UC 22. Cummins Generator Technologies offers accessories that are used for industrial, marine / off shore, commercial and other continuous power application. These AVR Generators are available in range of 4 poles; single or two bearing. The Engine Adaptors to SAE 2, 3 and 4 are available with these Four Wire Dedicated Single phase AVR Generators. The coupling disks to SAE are 10/11.5. These AVR Generators comes in 440 Voltage.