ABB ACH550-UH-125A-4 | 3AUA0000014483

Overview

The ABB ACH550-UH-125A-4 (Product ID: 3AUA0000014483) is a high-performance variable frequency drive (VFD) from the renowned ABB ACH550 series, specifically engineered for the rigorous demands of Heating, Ventilation, and Air Conditioning (HVAC) applications. Designed to optimize the control of 100 HP motors, this VFD ensures unparalleled efficiency and reliability for critical building automation systems. By precisely managing motor speed and torque, the ACH550-UH-125A-4 significantly reduces energy consumption, extends equipment lifespan, and provides superior comfort control in a wide range of commercial and industrial settings. Its robust design and advanced features make it an ideal solution for modern HVAC infrastructure seeking to achieve peak operational performance and cost savings.

Key Features

• Optimized for 100 HP HVAC Motors: Designed for precise control of 75 kW (100 HP) motors, ensuring peak performance.
• Wide Input Voltage Range: Operates efficiently with 380–480 V AC, 3-phase power supplies.
• Integrated EMC Filter (C2 Compliance): Reduces electromagnetic interference, ensuring system compatibility and reliability.
• Safe Torque Off (STO) Functionality: Enhances operational safety by preventing unexpected motor startup.
• Comprehensive Fieldbus Support: Seamless integration with BACnet, Modbus, and N2 protocols for enhanced building management.
• Dedicated HVAC Keypad: User-friendly interface designed for intuitive setup, monitoring, and diagnostics in HVAC environments.
• NEMA 1 Enclosure (UL Type 1): Provides robust protection for indoor installations, safeguarding internal components.

Technical Specifications

• Model Number: ACH550-UH-125A-4
• Product ID: 3AUA0000014483
• Series: ABB ACH550 HVAC Drive
• Motor Power: 75 kW (100 HP)
• Input Voltage: 380–480 V AC, 3-phase
• Input Frequency: 50/60 Hz
• Output Current: 125 A
• Frequency Range: 0 to 500 Hz
• Control Modes: V/f (Volts per hertz) and Sensorless Vector Control
• Overload Capacity: 110% for 60 seconds
• Analog Inputs: 2
• Digital Inputs: 6
• Analog Outputs: 2
• Relay Outputs: 3
• Operating Temperature: -10°C to +40°C
• Dimensions (H x W x D): 770 mm x 290 mm x 262 mm
• Weight: Approximately 35 kg
• Certifications: UL, cUL, CE

Applications

• Commercial HVAC Systems and Building Automation
• Air Handlers and Exhaust Fans
• Precision Pump Control in Smart Buildings
• Ventilation and Cooling Systems for Data Centers
• Industrial Climate Control and Air Quality Management
• Process Control for Variable Air Volume (VAV) Systems

Why Choose This Model?

• Unmatched Energy Efficiency: Dramatically reduces operational costs through intelligent motor speed control, especially in variable-load scenarios.
• Seamless Integration: With support for common HVAC communication protocols like BACnet and Modbus, it integrates effortlessly into existing building management systems.
• Simplified Installation and Operation: Features a "plug-and-play" design and a dedicated HVAC keypad for quick setup and user-friendly diagnostics.
• Enhanced System Reliability: Built with high-quality components and safety features like Safe Torque Off (STO) to ensure consistent, safe operation.
• Designed for Demanding Environments: The robust NEMA 1 enclosure protects the drive in typical indoor commercial and industrial settings.
• Global Support and Proven Performance: Backed by ABB's reputation for innovation and reliability, ensuring long-term peace of mind and access to expert support.

Order Now

Elevate your HVAC system's performance and efficiency today with the ABB ACH550-UH-125A-4 variable frequency drive. This high-quality VFD is an investment in reliability, energy savings, and superior control for your commercial or industrial facility. Available for global delivery, it's the intelligent choice for modern HVAC applications. Secure your advanced control solution now and experience the difference of ABB engineering.