ACH550-UH-125A-4 drive, 100 HP, 480 V HVAC, NEMA 1, efficient control for pumps and fans in smart buildings.

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

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ABB ACH550-UH-125A-4 | 100 HP HVAC Drive, 480 V, 125 A, NEMA 1 Enclosure

Global Commercial Alias: ACH550-UH-125A-4
Product ID: 3AUA0000014483
ABB Type Designation: ACH550-UH-125A-4
Catalog Description: HVAC AC Drive, 3-phase, 100 HP, 125 A, 480 V, NEMA 1 enclosure

Overview

The ABB ACH550-UH-125A-4 is a high-performance variable frequency drive crafted for demanding HVAC purposes. Suitable for 100 HP motors, it offers effective and reliable control of fans, pumps, and ventilation systems in commercial setups.

Key Features

Motor Power: 75 kW (100 HP)
Input Voltage: 380–480 V AC, 3-phase
Output Current: 125 A
Frequency Range: 0 to 500 Hz
Control Modes: V/f and sensorless vector
Overload Capacity: 110% for 60 seconds
EMC Filter: Integrated, C2 compliance
Safety Feature: Safe Torque Off (STO)
Fieldbus Support: BACnet, Modbus, N2
User Interface: Dedicated HVAC keypad
Enclosure Type: NEMA 1 (UL Type 1)
Cooling: Forced air

Technical Specifications

Model Number: ACH550-UH-125A-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): 770 mm x 290 mm x 262 mm
Weight: Approx. 35 kg
Certifications: UL, cUL, CE

Applications

Commercial HVAC systems
Air handlers and exhaust fans
Pump control in smart buildings
Ventilation and cooling systems

Product Description

Designed for performance and efficiency, the ACH550-UH-125A-4 provides seamless HVAC control in commercial systems. Its plug-and-play setup, HVAC features, and built-in fieldbus communication boost energy efficiency and operational dependability.

Why Choose ABB ACH550-UH-125A-4?

Optimized for 100 HP HVAC motor control
Integrated HVAC protocols and safety features
Easy setup and diagnostics via keypad
NEMA 1 enclosure for indoor use

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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.