Delta VFD-CP2000 series fan and pump dedicated inverter, three-phase 380~460V input, for 11kW motor. Optimized for variable torque loads with energy-saving algorithm. Supports PID constant pressure/flow/temperature, sleep, timed water supply, anti-lock and dry-run protection. Output 0.1~600Hz, 150% overload for 60s. Built-in RS485 Modbus, PLC, multi-speed, adjustable ramp and DC brake. Full protections. Suitable for HVAC, water supply, drainage and cooling pumps.