The new range of HPE i 33 series from Numeric is ideal for today's advanced digital computing, communications, process control and medical systems. The UPS Systems are designed with a True On-Line Double Conversion topology, and the state of the art Digital Signal Processor (DSP) control. It is especially suited for mission critical applications being classified as VFI SS111(Voltage and Frequency Independent) in compliance with IEC EN 62040-3 standards. The Digital HPE i 33 series guarantees maximum protection as well as high quality power for any type of IT and industrial load. This series has been designed using a new configuration that includes an IGBT rectifier with includes an IGBT rectifier with Sinusoidal input current in place of the traditional Thyristor Rectifier. The UPS capacity ranges from 100 to 500 kVA.