The automatic voltage regulator or AVR, is a device intended to regulate voltage automatically: that is to take a varying voltage level and turn it into a constant voltage level on the output. Drensky Technologies provides both electronic and servo type AVRs. We provide the installation and after-sales service of AVRs from the basic 500VA single phase AVR to your more sophisticated three phase models up to 1MVA. These are designed especially for use in areas where voltage fluctuation is common and damage to sensitive electronics occurs. The ideal uses would be in printers, CNC machines, injection moulding machines and cold-rooms to name a few.