The Schneider Electric Micronet MNL-800-101 I/A Programmed Controller Card is an electronic HVAC control component designed to manage and coordinate building automation functions. It receives input signals from connected sensors and system devices, then processes them to regulate heating, cooling, ventilation, and related equipment operations. Used with compatible air handling units, ... https://www.partshnc.com/schneider-electric-micronet-mnl-800-101-i-a-programmed-controller-card