ABB ABB550-UH-08A8-4 HVAC drive, 5 HP, 480 V, NEMA 1, commercial energy-efficient motor control.

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

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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 designed for HVAC applications, providing reliable motor control, energy efficiency, and quiet operation. With a 3-phase 480 V input and NEMA 1 enclosure, it fits 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 engineered for HVAC efficiency, featuring built-in protocols, quiet motor function, and advanced start-up assistants. It eases commissioning, lowers energy use, and extends equipment lifespan in climate control systems.

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

HVAC-focused design with integrated fieldbus capabilities
Easy setup and dependable operation
Efficient motor control for energy savings
NEMA 1 enclosure suited for indoor use

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Available for fast delivery with ABB support and warranty.

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1-Year Warranty Coverage Every new product purchased from PLCVERSE includes a full 1-year warranty. We stand behind the quality and durability of our automation components, providing protection against manufacturing defects under normal use. Our commitment is to ensure you receive dependable, high-performance parts with complete peace of mind.

PLCVERSE is an independent seller of industrial automation equipment. We are not an authorized distributor, partner, or representative of any of the manufacturers featured on this website. All brand names, trademarks, and logos remain the property of their respective owners. PLCVERSE has no association or endorsement from ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other brands mentioned.