ABB 3AXD50000047716 LV AC HVAC Drive - Ultra-low THDi

Ultra-low harmonic performance is achieved with an integrated active supply unit and low harmonic line filter, delivering THDi below 3%. This directly reduces harmonic distortion on the mains, improving power quality and protecting downstream equipment, which translates to longer motor life and lower stray current concerns in HVAC systems. The result is easier compliance with low-harmonic guidance and a smoother operating envelope for fans, pumps, and compressors. In practice, this means fewer nuisance trips and more stable temperature control across the facility, enabling more reliable building management and reduced maintenance costs. HVAC-focused control and commissioning are streamlined by an intuitive HVAC-specific control panel and built-in assistive features, with optional Bluetooth for remote commissioning and monitoring. This reduces on-site commissioning time, minimizes human error, and enables engineering teams to validate performance from engineering labs or remote sites. For operators, fault diagnostics and parameter tuning become faster, improving startup success rates and reducing downtime during seasonal changes in demand. Installation flexibility and protection are enhanced by IP21 standard protection, with IP55 and flange mounting options available for harsher environments or tighter spaces. Wall-mount installation simplifies retrofits and new-builds in mechanical rooms, while optional protective enclosures help ensure reliability in damp or dusty conditions. Combined with compact sizing and minimal external components, this approach shortens project timelines and lowers installation labor costs. Power quality and efficiency improvements come from built-in power factor correction and voltage boost capabilities, delivering better electrical efficiency and reduced utility penalties from poor power factor. By smoothing voltage and mitigating reactive power, overall energy consumption drops, especially in systems with variable demand like air handling and cooling loops. This translates to lower operating costs and faster payback in installed HVAC packages. System compatibility and reliability are reinforced by the drive’s ability to control fans, pumps, compressors, air-handling units, and chillers, aligning with typical HVAC architectures. The absence of external filters or multi-pulse arrangements simplifies wiring schemas and reduces spare parts inventories, while the robust HVAC controls support mission-critical operation in commercial and industrial facilities.