ABB 3AXD50000956739 HVAC Micro Drive - UL ACH180-04S-25A0-2
Part Number: 3AXD50000956739
Quick Summary
ABB 3AXD50000956739 HVAC micro drive module is a compact LV AC drive that optimizes fan and compressor control in HVAC systems. Engineers often wrestle with limited space, complex wiring, and energy waste when upgrading legacy controls. This module meets UL-listed safety requirements and HVACR standards, while offering a small footprint and straightforward setup that reduces commissioning time. By delivering reliable speed control and protection in a single, maintenance-friendly package, it helps facilities cut energy use and operating costs. Secondary benefits include robust compatibility with HVAC gear and accelerated project timelines, supporting tight budgets without compromising performance.
Product Information
Extended Description
3AXD50000956739 ABB: The ACH180 HVACR compact drive modules provide the quality, reliability, and energy savings you expect, while offering essential HVACR features, being compact and easy to fit tight spaces. They are simple to use and safe to maintain. All you need to do is to set the drive up, and then focus on what counts. Everything you need, nothing you don't.
Feature → Business Impact → Application: The HVAC micro drive module delivers a compact footprint that frees valuable panel and equipment space, enabling easier retrofits in rooftop units and air handling units while speeding installation. This translates into tangible cost savings through reduced engineering time and faster time-to-operational status. Application: Rooftop units, air handling enclosures, and compressor-driven HVAC packs benefit from simpler wiring and smaller installation envelopes. Feature → Business Impact → Application: The unit provides clearly specified electrical ratings (IEC Pn 5.5 kW and 25.0 A at 230 V; UL Pld 7.5 Hp and 24.2 A at 208 V), improving design accuracy and preventing over-specification. Application: New builds and retrofits in commercial buildings that require compliant power and protection for HVAC motors. Feature → Business Impact → Application: Standardized, maintenance-friendly design reduces downtime, improves safety checks, and supports predictable service intervals. Feature → Business Impact → Application: The ACH180-04S-25A0-2 model aligns with industry best practices for HVACR drive modules, delivering energy-efficient operation and robust protection in tight spaces. Feature → Business Impact → Application: Compatibility with HVACR sensor suites and motor loads minimizes integration risk and accelerates commissioning. Feature → Business Impact → Application: Long-term reliability lowers total cost of ownership, improving ROI for facility managers and OEMs.
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FAQs
Start by confirming power availability at 230 V AC and verify the 25.0 A current rating. Mount the compact drive module in a suitable enclosure with proper ventilation, connect the motor leads to the output terminals, and wire control signals per the ACH180-04S-25A0-2 documentation. Use the built-in safety features and follow ABB commissioning guidelines to ensure correct parameterization for fan and pump loads.
Yes. The device is specified for 230 V AC operation with 25.0 A current and also lists a UL-rated configuration at 208 V (Pld 7.5 HP, 24.2 A). This dual-voltage capability supports a range of HVAC motors, enabling safer and more flexible integration in mixed-voltages systems.
The ABB HVAC micro drive module is UL-listed, which supports compliance with North American electrical safety requirements for HVACR equipment. This certification helps facilitate installation approvals and reduces risk during commissioning in commercial buildings.
Yes. By delivering precise velocity and torque control while maintaining smooth ramping and protection, the drive minimizes motor stress and reduces energy usage in HVAC fans and pumps. The compact form factor also enables closer coupling to the blower assemblies, reducing wiring losses and improving overall system efficiency.
Plan for periodic parameter verification, firmware updates when available, and routine inspection of the enclosure and cooling. The module is designed for easy maintenance with a straightforward interface, and ABB’s documentation provides clear guidance on diagnostics, safe shutdown procedures, and replacement steps to minimize downtime.