ABB ACH550-UH-031A-4 | 3AUA0000004054

Overview

The ABB ACH550-UH-031A-4 is a state-of-the-art Variable Frequency Drive (VFD) meticulously engineered to meet the rigorous demands of modern HVAC systems. Designed by ABB, a global leader in power and automation technologies, this 20 HP drive delivers unparalleled precision and efficiency for controlling fans, pumps, and air handling units in commercial and industrial environments. Operating at 480 V with a 31 A output, the ACH550-UH-031A-4 is housed in a robust NEMA 1 enclosure, ensuring reliable performance in indoor settings. Its advanced features facilitate significant energy savings, reduced wear on mechanical components, and enhanced overall system performance, making it an indispensable asset for building management and automation systems.

Key Features

• Motor Power: 15 kW (20 HP) – Optimized for a wide range of HVAC motor applications.
• Input Voltage: 380–480 V AC, 3-phase – Provides robust power delivery.
• Output Current: 31 A – Ensures stable and consistent motor operation.
• Frequency Range: 0 to 500 Hz – Offers versatile motor speed control.
• Control Modes: Scalar (V/f), Sensorless Vector – Delivers precise and efficient motor control.
• Overload Capacity: 110% for 60 seconds (light duty) – Guarantees consistent performance under varying loads.
• EMC Filter: Integrated (C2 compliant) – Minimizes electromagnetic interference for smooth operation.
• Safety Function: Safe Torque Off (STO) – Enhances operational safety.
• Communication: Built-in Modbus RTU, BACnet MS/TP, N2 – Facilitates seamless integration with building management systems.
• User Interface: HVAC-specific control panel with LCD – Ensures intuitive monitoring and control.
• Enclosure: NEMA 1 (UL Type 1) – Provides protection for indoor industrial applications.
• Cooling Method: Forced air cooling – Maintains optimal operating temperatures.

Technical Specifications

• Model Number: ACH550-UH-031A-4
• Product ID: 3AUA0000004054
• Input Frequency: 50/60 Hz – Compatible with global power standards.
• Analog Inputs: 2 – For flexible sensor integration.
• Digital Inputs: 6 – Allows for diverse control signal inputs.
• Analog Outputs: 2 – Provides feedback for control systems.
• Relay Outputs: 3 – For controlling external devices.
• Operating Temperature: -10°C to +40°C – Ensures reliable operation in various climates.
• Dimensions (H x W x D): 610 mm x 203 mm x 229 mm – Compact design for easy installation.
• Weight: Approx. 14.1 kg – Robust yet manageable for installation.
• Certifications: UL, cUL, CE – Guarantees adherence to international quality and safety standards.

Applications

• Advanced HVAC control in commercial and public buildings, including offices, hospitals, and educational institutions.
• Precise speed and flow control for fans, pumps, and Variable Air Volume (VAV) systems, optimizing air quality and comfort.
• Energy-saving motor operation within building automation and control systems, leading to significant utility cost reductions.
• Seamless integration into existing Building Management Systems (BMS) for centralized control and enhanced operational efficiency.
• Water and wastewater treatment facilities requiring precise pump control for flow management.

Why Choose This Model?

Opting for the ABB ACH550-UH-031A-4 means investing in unparalleled reliability and efficiency for your HVAC infrastructure. This VFD is purpose-built for HVAC precision, offering superior motor control that translates into substantial energy savings and extended equipment lifespan. Its seamless integration capabilities, featuring built-in BACnet MS/TP and Modbus RTU, simplify complex installations and streamline communication with other building automation components. The durable NEMA 1 design provides robust protection for various indoor industrial environments, ensuring continuous and dependable operation. With ABB’s renowned commitment to innovation and quality, the ACH550-UH-031A-4 represents a smart choice for any organization seeking to optimize its HVAC performance, reduce operational costs, and align with global sustainability initiatives. It embodies ABB’s industry-leading expertise, guaranteeing a product that performs powerfully and reliably.

Order Now

The ABB ACH550-UH-031A-4 is currently in stock and available for swift global delivery, ensuring minimal downtime for your critical HVAC projects. Enhance your system’s efficiency and control today. Explore our comprehensive range within the ABB ACH550 HVAC Drives collection to discover more tailored solutions for your specific needs. For a broader spectrum of advanced automation solutions, we invite you to browse our entire selection in the ABB Industrial Drives main category.