ABB ACH550-UH-08A8-4 | 3AUA0000004084

ABB ACH550-UH-08A8-4 | 5 HP HVAC Variable Frequency Drive, NEMA 1

Global Commercial Alias: ACH550-UH-08A8-4
Product ID: 3AUA0000004084
ABB Type Designation: ACH550-UH-08A8-4
Catalog Description: HVAC AC Drive, 3-phase, 5 HP, 8.8 A, 480 V, NEMA 1 enclosure

Overview

The ABB ACH550-UH-08A8-4 is a 5 HP variable frequency drive engineered for HVAC applications, offering reliable motor control, energy savings, and quiet operation. With a 3-phase 480 V input and NEMA 1 enclosure, it integrates seamlessly into commercial building systems.

Key Features

• Motor Power: 3.7 kW (5 HP)

• Input Voltage: 380–480 V AC, 3-phase

• Output Current: 8.8 A

• Output Frequency: 0 to 500 Hz

• Control Methods: Scalar (V/f), Sensorless Vector

• Overload Capacity:

  • Light Duty: 110% for 60 sec

• Built-in EMC Filter: Category C2

• Safety Function: Safe Torque Off (STO)

• Communication: Modbus RTU, BACnet MS/TP, N2 Metasys

• User Interface: HVAC control panel with display

• Enclosure Type: NEMA 1 (UL Type 1)

• Cooling Method: Air-cooled

Technical Specifications

• Model Number: ACH550-UH-08A8-4

• Input Frequency: 50/60 Hz

• 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): 540 mm x 203 mm x 229 mm

• Weight: Approx. 9.5 kg

• Certifications: UL, cUL, CE

Applications

• HVAC systems in commercial buildings

• Air handlers and exhaust fans

• Chillers and cooling towers

• Pumping stations for heating and cooling

• Energy-efficient climate control solutions

Product Description

The ACH550-UH-08A8-4 is optimized for HVAC performance, offering built-in protocols, quiet motor operation, and intelligent start-up assistants. It simplifies commissioning, reduces energy consumption, and extends equipment life in climate control systems.

Why Choose ABB ACH550-UH-08A8-4?

• HVAC-optimized design with integrated fieldbus support

• Simple configuration and reliable operation

• Energy-efficient motor control

• NEMA 1 enclosure for indoor installations

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Ready for quick delivery with ABB support and warranty.

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NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply