The VARIOspeed® VFD is available from 5 to 150 hp at 208 to 240V and 5 to 250 hp at 380 to 480V, single-phase or three-phase supply voltage. Built-in features include P.I.D. control, energy optimization control, adjustable electronic overload, automatic system restart, high and low pressure alarms, and more.
The standard VARIOspeed® VFD is supplied in a NEMA 3R enclosure with a 0-200 PSI pressure transducer. SJE-Rhombus® is a UL certified panel shop that can customized the VARIOspeed® VFD to suit specific requirements, including duplex, triplex, and quadplex VFD systems with automatic alternation and lead/lag operation.