ABB 3AXD50000428953 LV AC wall-mounted drive - THDi <3%
Part Number: 3AXD50000428953
Quick Summary
The LV AC wall-mounted ultra-low harmonic drive controls pump speed to optimize water and wastewater pumping operations. Operators often contend with harmonic distortion, high energy costs, and complex installations when upgrading aging pump plants. This ABB drive is UL-listed and CE-compliant, with an IP21 enclosure and optional IP55/flange-mount variants to fit harsh environments. Its built‑in low-harmonic filter and active supply unit streamline installation and compliance, while features like sensorless flow calculation and soft-ramp pump control drive efficiency and reliability. By delivering energy savings and simplified maintenance, it translates into lower total cost of ownership for municipal and industrial water projects.
Product Information
Extended Description
3AXD50000428953 ABB: The ACQ580-31 drives deliver innovative pump features for the water and wastewater industry, securing energy efficient flow of water and wastewater in your pumping solutions. The ultra-low harmonic variant provides ultimate harmonic performance, reaching even less than 3 % THDi, and exceeding the requirements set by low harmonic standards and recommendations. The drive includes an active supply unit and integrated low harmonic line filter, meaning there is no need for external filters, multi-pulse arrangements or special transformers.
Other features include output voltage boost and power factor correction. This robust and compact wall-mounted drive has built-in pump application functionality such as sensorless flow calculation, multipump control, level control, soft pipe fill, dry run protection, quick ramps and a solution for keeping the impeller of the pump clean. Usability is further enhanced with the intuitive Hand-Off-Auto control panel, the PC tool Drive composer and an optional Bluetooth=C2=AE control panel. The ultra-low harmonic wall-mounted variant comes in IP21 enclosure as standard. Also, IP55 and flange mounting units are available.
The drive includes a built-in ultra-low harmonic filter, delivering THDi under 3% in typical water and wastewater duty, even with variable flow and load changes. By eliminating the need for external filters, multi-pulse arrangements, or dedicated transformers, it reduces upfront capital expenditure while improving current waveform quality across the pump network. An integrated active supply unit together with the low-harmonic line filter simplifies electrical installation, reducing panel count and enabling a compact, plug-and-play footprint in confined plant rooms. This compact integration shortens commissioning time and lowers operating costs by minimizing wiring complexity, cabling distances, and the risk of external component failure in municipal wastewater facilities. Output voltage boost and automatic power factor correction help maintain motor efficiency under fluctuating loads, reducing current draw and stabilizing torque during start, ramp, and peak demand periods. These capabilities support grid compliance, minimize reactive power penalties, and simplify electrical design during new installations or plant-wide drive retrofits. The drive also provides sensorless flow calculation, multipump control, level control, soft pipe fill, dry run protection, and quick ramps to optimize hydraulic performance. In addition, pump impeller cleaning and dry-run prevention prolong bearing life, reduce maintenance cycles, and enable reliable operation in challenging water treatment applications. User interface and diagnostics are enhanced by Hand-Off-Auto control, Drive Composer, and an optional Bluetooth panel, enabling rapid commissioning, on-site tuning, and remote troubleshooting. This integration reduces downtime, accelerates maintenance planning, and supports remote support workflows for utility operators and industrial plants. Standard IP21 protection with IP55 and flange mounting variants adds installation flexibility for indoor panel spaces or outdoor enclosures in demanding environments. The rugged, compact design aligns with existing ABB drive infrastructure while offering straightforward retrofit pathways for water and wastewater projects.
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FAQs
When installing the ABB 3AXD50000428953 at 480 V, verify that the site electrical supply matches the 34.0 A rating and that the wall-mounted enclosure fits the available panel space. The drive includes an active supply unit and a built-in low-harmonic filter, simplifying wiring and reducing external components. Plan cable routes compliant with local codes and ensure space for the standard Hand-Off-Auto panel and the optional Bluetooth interface.
The drive targets a THDi of less than 3% under typical pump loading, offering a 25 Hp (Pld) rating with 34.0 A current draw at 480 V. These specifications support efficient motor operation and reduced harmonic impact on the electrical network. The built-in low-harmonic filter helps maintain power quality without external equipment, simplifying the electrical design for water and wastewater plants.
Yes. The drive is purpose-built for water and wastewater pumping, featuring pump-oriented functionality such as sensorless flow calculation, multipump control, level control, soft pipe fill, dry run protection, and quick ramping. Its integrated low-harmonic solution, IP21 enclosure (with IP55 and flange options), and user-friendly interfaces make it well-suited for municipal and industrial pumping stations seeking reliability and efficiency.
The ABB 3AXD50000428953 is UL-listed and CE-compliant, offering robust regulatory alignment for critical water applications. The standard enclosure is IP21, with IP55 variants and flange mounting options available to suit harsher environments and different installation layouts, enabling flexible deployment in plant rooms, outdoor enclosures, or compact switchgear cabinets.
The built-in low-harmonic filter reduces harmonic distortion without external filters, cutting upfront CAPEX and simplifying maintenance. By improving power quality and enabling longer motor life with fewer filter cabinets, operators typically see lower lifecycle costs and faster payback through energy savings, reduced downtime, and easier commissioning across water and wastewater networks.