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ABB ACH550-UH-125A-4 | 3AUA0000014483
by ABB
Read verified buyer reviews ↓OverviewAttain peak climate control in your facility with the ABB ACH550-UH-125A-4, a premier variable frequency drive specifically engineered for demanding HVAC applications. This robust 100 HP, 480V, 125A drive delivers exceptional efficiency and precise management for essential fan, pump, and ventilation systems in commercial and industrial settings. Encased in a durable NEMA 1 enclosure, it ensures dependable performance in indoor environments, making it a crucial element for contemporary building automation systems aiming for optimal energy management and operational stability.Key Features Motor Output: 75 kW (100 HP) Input Voltage: 380–480 V AC, 3-phase Output Amperage: 125 A Frequency Range: Up to 500 Hz Control Modes: V/f and sensorless vector for adaptable motor handling Overload Capability: 110% for 60 seconds, ensuring steady operation under fluctuating demands EMC Filtration: Integrated, with C2 compliance to reduce electromagnetic interference Safety Function: Safe Torque Off (STO) for elevated operational safety Fieldbus Compatibility: Seamless integration with BACnet, Modbus, and N2 protocols for extensive system communication User Interface: Dedicated HVAC keypad for straightforward programming and monitoring Enclosure Rating: NEMA 1 (UL Type 1) for indoor safeguarding Cooling Method: Forced air for optimal thermal regulation and extended operational life Technical Specifications Model Identifier: ACH550-UH-125A-4 Product Code: 3AUA0000014483 Input Frequency: 50/60 Hz Analog Inputs: 2 Digital Inputs: 6 Analog Outputs: 2 Relay Outputs: 3 Operational Temperature: -10°C to +40°C Dimensions (H x W x D): 770 mm x 290 mm x 262 mm Mass: Approximately 35 kg Certifications: UL, cUL, CE, guaranteeing global adherence and dependability ApplicationsThe ABB ACH550-UH-125A-4 offers a highly adaptable solution, perfectly suited for a broad range of rigorous HVAC applications, including: Extensive commercial HVAC systems Precise regulation of air handlers and exhaust fans Optimized pump management in intelligent building infrastructures Efficient control of ventilation and cooling systems Energy conservation initiatives in large-scale commercial facilities Why Choose This Model?The ABB ACH550-UH-125A-4 stands out as a top-tier selection for professionals seeking efficiency, dependability, and advanced control within their HVAC operations. This model is exceptionally optimized for the management of 100 HP HVAC motors, providing unmatched performance. Its embedded HVAC protocols and essential safety attributes, such as Safe Torque Off (STO), guarantee both operational excellence and personnel protection. With its intuitive interface and specialized HVAC keypad, setup and diagnostics are simplified, allowing for rapid adjustments and reduced downtime. The robust NEMA 1 enclosure makes it an ideal fit for various indoor settings, safeguarding against dust and indirect splashing. By selecting the ACH550-UH-125A-4, you are investing in a solution that not only fulfills but surpasses the strict requirements of contemporary building automation, yielding substantial energy savings and consistent operational reliability.Order NowAcquire the ABB ACH550-UH-125A-4 for your HVAC system today and witness the improvement in performance and efficiency. This vital component for advanced building automation is available for worldwide delivery. Enhance your facility's operational intelligence and energy profile by incorporating this powerful drive into your infrastructure.FAQQ: What motor power is this drive rated for?A: The ABB ACH550-UH-125A-4 is rated for 75 kW (100 HP) motors.Q: What are the primary applications for this VFD?A: It is ideal for a wide range of HVAC applications, such as commercial HVAC systems, air handlers, exhaust fans, pump control, and ventilation systems.Q: Does this drive have integrated safety features?A: Yes, it includes Safe Torque Off (STO) for enhanced operational safety.
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ABB ACH550-UH-125A-4 | 3AUA0000014483
Overview
This is a genuine ABB component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine ABB catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader ABB automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your ABB equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same ABB catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation ABB platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model Identifier: ACH550-UH-125A-4
- Product Code: 3AUA0000014483
- Input Frequency: 50/60 Hz
- Analog Inputs: 2
- Digital Inputs: 6
- Analog Outputs: 2
- Relay Outputs: 3
- Operational Temperature: -10°C to +40°C
- Dimensions (H x W x D): 770 mm x 290 mm x 262 mm
- Mass: Approximately 35 kg
- Certifications: UL, cUL, CE, guaranteeing global adherence and dependability
Applications
The ABB ACH550-UH-125A-4 offers a highly adaptable solution, perfectly suited for a broad range of rigorous HVAC applications, including:
- Extensive commercial HVAC systems
- Precise regulation of air handlers and exhaust fans
- Optimized pump management in intelligent building infrastructures
- Efficient control of ventilation and cooling systems
- Energy conservation initiatives in large-scale commercial facilities
Why Choose the ACH550-UH-125A-4?
The ABB ACH550-UH-125A-4 stands out as a top-tier selection for professionals seeking efficiency, dependability, and advanced control within their HVAC operations. This model is exceptionally optimized for the management of 100 HP HVAC motors, providing unmatched performance. Its embedded HVAC protocols and essential safety attributes, such as Safe Torque Off (STO), guarantee both operational excellence and personnel protection. With its intuitive interface and specialized HVAC keypad, setup and diagnostics are simplified, allowing for rapid adjustments and reduced downtime. The robust NEMA 1 enclosure makes it an ideal fit for various indoor settings, safeguarding against dust and indirect splashing. By selecting the ACH550-UH-125A-4, you are investing in a solution that not only fulfills but surpasses the strict requirements of contemporary building automation, yielding substantial energy savings and consistent operational reliability.
Availability & Shipping
- ▸In stock: ACH550-UH-125A-4 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every ACH550-UH-125A-4 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — ABB
Machine down? We ship parts the same day.
New, surplus, and refurbished ABB inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
What Verified Buyers Say
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.