ABB 3AUA0000234186 LV AC micro drive - IP66
Part Number: 3AUA0000234186
Quick Summary
LV AC micro drive from ABB controls motor speed and torque for pumps, fans, and conveyors. Engineered for harsh manufacturing environments, it helps reduce nuisance trips, drift, and costly downtime. UL/NEMA 4X certification and IP66 protection ensure reliable performance in washdown and outdoor settings. With Modbus-RTU communication, sensorless vector control, and V/Hz profiles, it enables seamless machine integration and scalable automation, delivering measurable business value through lower maintenance costs and improved energy efficiency.
Product Information
Extended Description
3AUA0000234186 ABB: The ACS255 drive comes in several variants ensuring seamless integration into machines. The UL (NEMA) TYPE 4X / IP66 ACS255 is constructed with corrosion resistant materials for durability and increased survival in wet, dirty, or washdown applications indoors or outdoors. Common application includes augers, mixers, pumps, fans and conveyors. The key features include an integrated keypad for easy configuration, precise process control with V/Hz control and sensorless vector control for both AC induction and PM motors, enhanced short circuit protection, operating mode selection with variable torque and constant torque V/Hz profiles, and embedded Modbus-RTU communication interface for real time control and monitoring.
Sensorless vector control delivers precise torque and smooth starts, reducing wear and eliminating the need for external encoders in many applications. This translates to longer equipment life and lower uptime risk on conveyors and mixers, while maintaining tight process control. The integrated keypad simplifies commissioning and field adjustments, accelerating setup times and minimizing technician downtime during installation. IP66 with corrosion‑resistant materials provides robust protection in wet, dirty, or washdown environments, enabling reliable operation in food and beverage, packaging, and water/wastewater facilities. Embedded Modbus-RTU enables real‑time control and remote monitoring, reducing panel wiring and simplifying factory startups. V/Hz control with selectable variable torque and constant torque profiles drives energy efficiency on fans and pumps, delivering tangible energy savings and cost of ownership improvements. The 240 V nominal input supports straightforward retrofits and compatibility with existing 3-phase systems, easing installation in renovation projects. The drive’s compact footprint and rugged housing facilitate retrofit into crowded control cabinets and outdoor enclosures, while its protective features help minimize nuisance trips and unexpected shutdowns.
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FAQs
The ACS255 supports AC induction and PM motors using sensorless vector control, enabling precise torque delivery and smooth starts without external encoders. This reduces wear on mechanical components, improves load handling on conveyors and mixers, and simplifies retrofits by minimizing additional hardware requirements.
Install in a protected enclosure or weatherproof cabinet with proper sealing to maintain IP66 integrity. The corrosion‑resistant housing and UL/NEMA 4X rating withstand washdowns and exposure to dust and moisture. Ensure right‑sized wiring, proper grounding, and Modbus-RTU wiring discipline for reliable communication.
Yes, the ACS255 includes an embedded Modbus-RTU interface for real‑time control and monitoring. It can be wired to a PLC or SCADA network, enabling centralized speed control, diagnostics, and status reporting, which reduces cabinet wiring and simplifies commissioning in multi‑axis machines.
The drive is UL (NEMA) TYPE 4X and IP66 rated, offering robust protection for washdown, wet, and dirty environments. This makes it suitable for outdoor installations and environments requiring high ingress protection, such as food processing, water treatment, and packaging lines.
Expect lower maintenance due to fewer encoder requirements, improved energy efficiency from V/Hz control, and reduced downtime from robust protection and reliable start‑up behavior. Real‑time monitoring via Modbus‑RTU supports predictive maintenance, enabling better planning and faster fault isolation, which shortens repair windows and boosts line productivity.