Danfoss FC 321 AQUA Drive 10HP 480V Frame A3

The Danfoss FC 321 AQUA Drive 10HP (Heavy Duty) is purpose-built for water and wastewater applications where reliability and process uptime are critical. Rated at 10 HP HD (High Duty) / 15 HP Normal Duty at 480V 3-phase in a compact Frame A3 enclosure. The FC 321 features advanced cascade pump control for managing multiple pump stages from a single drive — eliminating the need for a separate PLC in many pump station designs. Built-in functions include dry-run detection to protect pumps from running dry and causing damage. sleep mode for energy savings during low-demand periods. and pipe fill mode to prevent water hammer on startup. Integrated PI controller allows direct pressure or flow feedback control. Supports Modbus RTU and PROFIBUS communications. Ideal for municipal water systems. irrigation. HVAC chilled water loops. booster pump stations. and industrial process fluid handling.