ABB

ACH550-UH-038A-4

PLC Module

ACH550-UH-038A-4 AC HVAC Drive - 25 HP Main image Click to view image in fullscreen Model Type: ACH550 Series Manufacturers: ABB Brand: ABB Drives Product Family: ABB Drives ACH 550 Condition Options How to Order/Quote Used/Refurbished Price - $2,390.00 Lead Time IN STOCK In Stock 1 - + Buy / Add to Cart Express Quote How to Get Yours Repaired Repair Service Price - $1,765.00 Lead Time 3 WEEKS In Stock Available - + Add to Repair Cart Repair Now Need a higher quantity? Or help finding the right part? Submit a quote and we'll respond quickly. Submit Express Quote We've got you covered Every surplus part and repair includes a 2-year warranty for your peace of mind. View warranty policy Flexible payment options Major cards, PayPal, NET 30, checks, and ACH transfers all accepted. See all payment options Shipping Information Our standard order processing time is 3 business days (5 business days for drives). For urgent needs, we offer same-day shipping on most items for orders placed before 2:00 PM EST. Simply select your preferred next-day shipping option at checkout, and your order will be prioritized to minimize downtime. Drives typically require a 3-business-day processing time for emergency orders, please contact us if you need the drive quicker. For repair services, typical turnaround is 2–4 weeks, depending on parts availability and service requirements. Need more help? Call us at +1 585-241-6010 Or email us at sales@classicautomation.com You may also find the answer in our FAQ section Description ACH550-UH-038A-4 ABB ACH550 HVAC Variable Frequency Drive Overview The ACH550-UH-038A-4 is a reliable ABB ACH550 HVAC Variable Frequency Drive (VFD) designed for efficient and precise HVAC motor speed control in commercial and industrial facilities. Engineered to optimize energy consumption and improve system performance, this drive delivers dependable adjustable speed control for fans, pumps, and air-handling systems. Operating on 380 - 460 VAC, 3-phase power, this unit supports motors rated at 25 HP (18.5 kW) and provides 38 A of rated output current. With integrated HVAC application macros, advanced motor protection, and flexible control capabilities, the ACH550 series enhances operational reliability while reducing overall energy costs. Key Specifications SPECIFICATION VALUE Manufacturer ABB Series ACH550 HVAC Drives Part Number ACH550-UH-038A-4 Drive Type Variable Frequency Drive (AC Drive) Motor Power 25 HP (18.5 kW) Input Voltage 380 - 460 VAC, 3-Phase Rated Current 38 A Input Frequency 50 / 60 Hz Enclosure Protection NEMA 1 / IP21 (Indoor Use) Applications Variable speed control of HVAC fans, pumps, and air-handling motors Commercial and industrial building mechanical systems Energy optimization through building automation integration Motor efficiency improvements and retrofit upgrades Explore our complete range of automation products — from PLC modules to HMIs, power supplies, drives, and more. We supply parts from leading global manufacturers including Siemens, Allen-Bradley, ABB, Omron, B&R, Mitsubishi, GE – General Electric, Phoenix Contact, Modicon, Lenze, Schneider, Automation Direct, SICK, Honeywell, Banner (Banner Engineering), FANUC, Parker, Beckhoff, Moore, SEW EURODRIVE, Yaskawa, Yokogawa, and more. Browse All Parts → Why Choose Classic Automation When it comes to industrial automation, reliability, speed, and trust matter. At Classic Automation, we go beyond just supplying parts — we deliver confidence. Extensive Inventory Reach: Nearly 1 million automation parts available, including legacy and hard-to-find models. 20+ Years of Expertise: Trusted by engineers and maintenance teams worldwide. Quality You Can Trust: Each unit is thoroughly inspected and tested to meet high performance standards. Fast Global Shipping: Efficient worldwide logistics to help reduce downtime. 2-Year Warranty Available: Extended protection options for added peace of mind. Whether maintaining existing systems or upgrading operations, Classic Automation is your dependable partner in precision and performance. Shipping Information Approaching 1 Million Parts   2-Year Warranty 23 + Years in Business Emergency Shipping Available   WHAT HAPPENS AFTER YOU ORDER? PARTS ORDER STEP 1 Email confirmation After checking out or requesting a quote, you will receive an email confirming that we have received your order. Your quote will be accepted or your web order will be placed. STEP 2 Dedicated customer service rep One of our customer service reps will be in touch to verify your part(s) and confirm your shipping details. STEP 3 Tested and ready to ship After your order details are confirmed, the parts are processed through our testing procedure. Your rep will keep you updated along the way. When your order is ready to ship, you will be notified and provided with tracking information. REPAIR SERVICE STEP 1 Repair order confirmed Your quote is accepted or your repair order is placed to initiate the process. STEP 2 Repair Authorization information provided A customer service rep will contact you with your RA number and instructions for sending your parts to us. STEP 3 Ship your parts to us Send your parts to our facility using the provided RA instructions and packaging guidance. STEP 4 Receipt confirmed You will be notified as soon as we receive your parts at our facility. STEP 5 Repair completed You will be updated when your repair is complete, or contacted if any additional information is needed. You are always covered by a 2-year warranty. CONDITION LEVELS Classic Automation also sells new parts and products. We sell these either as the official distributor or through an official distributor that we have developed a relationship with. CONDITION DESCRIPTION USED/REFURBISHED USED These parts have been previously used, but are in good condition and clean. They have been refurbished but may have minor cosmetic or superficial flaws. FACTORY NEW NEW These are new and current items that are procured directly from the manufacturer. NEW IN SEALED PACKAGE NEW Parts are new. They have not been used and still have their original package seal intact. NEW IN ORIGINAL PACKAGE NEW These parts are new. The packages were not originally sealed by their original manufacturer. NEW IN OPENED PACKAGE NEW These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged. NEW WITHOUT PACKAGE NEW These parts are new. They have not been used, but their original packaging is no longer available. REPAIR SERVICE SERVICE Classic Automation will repair your item for the price and turnaround time listed. Go to our Repair page to learn more. Note: Some items may not include all factory new accessories such as mounting brackets, connectors, keys, manuals, CDs, etc. Surplus parts might not be the most recent version, revision or date code currently offered by the original vendor. Classic Automation is not an authorized distributor unless otherwise specified, representative, or affiliate of the manufacturer of this product. 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