NEK2116Z CSIR 1/220-240v/50hz — Embraco, OEM manufacturer part number AAEM4040A. Verified technical data: Product description = NEK2116Z CSIR 1/220-240v/50hz. Applications: commercial and industrial refrigeration, marine reefer plant, cold storage installations, and secondary-loop cooling. Embraco is a leading manufacturer in this segment; the AAEM4040A sits within the Embraco refrigeration components range.