EnerTech Group is a leading Industrial UPS manufacturers in India, offering exceptional product 1-1 | 3-1 | 3-3 Ph UPS with IGBT based charger to match Input power factor upto 0.99 and and upto < 3% input current harmonics (THDi). This results in high efficiency system , with less distortion and no pollution of grid supply . https://enertechups.com/product/industrial-ups/