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ABB ACS550-U1-078A-4 | 3AUA0000009443

by ABB

OverviewThe ABB ACS550-U1-078A-4, product identifier 3AUA0000009443, is a high-performance 50 HP variable frequency drive (VFD) meticulously engineered for diverse industrial and commercial motor control applications. This robust unit delivers reliable and energy-efficient operation for 3-phase, 380–480 V systems, making it an ideal choice for enhancing productivity and reducing operational costs. Its compact IP21 wall-mountable design ensures seamless integration into a wide range of environments, even where space is at a premium. As part of ABB's esteemed ACS550 series, this general-purpose AC drive combines advanced functionality with user-friendly features. From its integrated safety functions like Safe Torque Off (STO) to its built-in EMC filter, the ACS550-U1-078A-4 is designed to meet the rigorous demands of modern automation, providing precise motor control and safeguarding your operations.Key Features Motor Power: 37 kW (50 HP) – Optimally controls powerful industrial motors. Input Voltage: 380–480 V AC, 3-phase – Compatible with standard industrial power supplies. Output Current: 78 A – Delivers robust current for demanding applications. Output Frequency: 0 to 500 Hz – Provides wide-ranging speed control flexibility. Control Methods: Scalar (V/f), Sensorless Vector – Offers versatile motor control strategies for various loads. Overload Capacity: Heavy Duty: 150% for 60 sec – Handles temporary peak loads with ease. Normal Duty: 110% for 60 sec – Ensures stable operation under typical conditions. Built-in EMC Filter: Category C2 – Minimizes electromagnetic interference for compliant operation. Safety Function: Safe Torque Off (STO) – Enhances operator safety and simplifies machine design. Communication: Modbus RTU (RS-485) – Enables seamless integration into existing control networks. User Interface: Integrated keypad with navigation assistant – Facilitates easy setup and monitoring. Enclosure Type: IP21 wall-mounted – Provides protection against dust and dripping water, suitable for indoor use. Cooling Method: Forced air cooling – Ensures optimal performance and longevity. Technical Specifications Model Number: ACS550-U1-078A-4 Global Commercial Alias: ACS550-U1-078A-4 Product ID: 3AUA0000009443 ABB Type Designation: ACS550-U1-078A-4 Input Frequency: 50/60 Hz Analog Inputs: 2 Digital Inputs: 6 Analog Outputs: 2 Relay Outputs: 3 Operating Temperature: -10°C to +50°C Dimensions (H x W x D): 600 mm x 203 mm x 229 mm Weight: Approx. 17.3 kg Certifications: CE, UL, cUL – Guarantees compliance with international standards. ApplicationsThe versatility and robust design of the ABB ACS550-U1-078A-4 make it suitable for a broad spectrum of industrial and commercial applications, including: Industrial Ventilation and HVAC: Precisely control fans and blowers for optimal air quality and energy savings. Pumping Systems: Enhance the efficiency and longevity of pumps in water treatment, irrigation, and industrial processes. Conveyor Systems: Ensure smooth and controlled material handling in manufacturing and logistics. General-Purpose Automation and Processing: Adaptable for various machinery requiring reliable and variable speed control. Why ChooseThe ABB ACS550-U1-078A-4 stands out as a premier choice for businesses seeking an efficient and dependable variable frequency drive: Powerful and Compact Solution: Expertly designed to manage 50 HP motors efficiently within a space-saving IP21 enclosure. Fast Installation and Configuration: The integrated keypad with navigation assistant streamlines setup, reducing commissioning time and effort. Integrated EMC and STO Safety: Built-in features ensure operational safety and regulatory compliance, offering peace of mind. Ideal for Various Industrial Applications: Its adaptability and robust performance make it a valuable asset across numerous sectors. Energy Efficiency: Optimize motor performance to significantly reduce energy consumption and operational costs. Order NowEnhance your industrial operations with the reliable and efficient ABB ACS550-U1-078A-4 VFD. Contact us today or add to cart to experience improved motor control and energy savings.FAQWhat is the power rating of the ABB ACS550-U1-078A-4?This VFD is rated for 50 horsepower (HP) or 37 kilowatts (kW).What type of enclosure does this VFD have?It features an IP21 wall-mounted enclosure, offering protection against dust and dripping water, suitable for indoor environments.Does this drive have built-in safety features?Yes, it includes an integrated Safe Torque Off (STO) function to enhance operational safety.What communication protocols does it support?The unit supports Modbus RTU (RS-485) for seamless integration into control networks.Can this VFD be used for HVAC applications?Absolutely, its precise control capabilities make it well-suited for industrial ventilation and HVAC systems.

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