Sullivan-Palatek Rotary Screw VFD 15-300HP Air Compressors

 
More than a frequency inverter, controls motor/drive systems. Wide power range for 200V, 230V, 460V, and 575V. Pressure transducer motor speed control. Factory settings: Programmable digital outputs. Digital inputs. 2 relays, 4 transistors, 8 programmable parameter sets with S-curves, power off function, PID process controller, electronic motor protections, internal time. Output frequencies up to 160HZ with output voltage stabilization; switching frequencies up to 16kHz; output phase monitoring. DC bus circuit connection, motor thermal sensor connection. Micro processor easily read output; includes English, German, and Spanish languages.