Engineered for 65 to 500kVA applications, the Riello UPS Master HP UL 3-phase uninterruptible power supply includes an IGBT-based rectifier and digital signal processing; it features online double-conversion technology and a galvanic isolated output. UL-listed, the 480VAC, 60Hz power supply meets VFI SS 111 classification in accordance with IEC EN 62040-3. Multiple units can be operated in a parallel or single-module configuration for redundancy.

Riello UPS; 513-282-3777; www.rielloupsamerica.com