The indigenously developed InPhase range of ASTRA harmonic filter is a 3-Level IGBT based Active harmonic filter. It is a one stop guaranteed solution for a range of PQ problems like harmonics, Reactive power management & unbalance compensation. These robust filters are built to effortlessly endure the extreme climate conditions of the country. These are used in applications ranging from steel, cement, textile, foundry, pharma & other major industries. ASTRA filter is designed for powerful performance & is adaptable to wide voltage applications up to 690V AC. ASTRA filters is a unique multi-level efficient system with harmonic solution up to 61st order, reactive power compensation close to unity PF & unbalance compensation. It is built with high level processor with best-in-class user interface enabling remote monitoring for efficient energy management system. The list of benefits of this extraordinary product goes from the eradication of penalties to lessening Energy costs.