IDEC electrical equipment, a module set of FC4A-N32B3 and FC4A-R161. - Model: FC4A-N32B3 (Input) - Model: FC4A-R161 (Output) - Brand: IDEC Thank you for viewing. These items were removed due to module replacement. They were fully functional during operation and have no external damage. They are still usable. They have been cleaned with a brush and blower. Would you like to use them as spares? They were used with the "display unit" also listed. There are 3 sets remaining of the display unit and modules (input/output). Please comment if you have any questions or inquiries.