ABB ACH550 HVAC Variable Frequency Drive

Overview

The ACH550-PDR-038A-4 is a high-performance ABB ACH550 HVAC Variable Frequency Drive (VFD) engineered for reliable HVAC motor control in commercial and industrial facilities. Featuring an integral disconnect switch, this drive simplifies installation and enhances service safety while delivering precise variable speed control for pumps, fans, and compressors.

Designed for 380 - 480 VAC, 3-phase systems, this unit provides 38 A nominal output current and supports motors rated at approximately 25 HP. With built-in HVAC application macros, energy optimization features, and advanced motor protection, the ACH550 series helps improve system efficiency, reduce energy consumption, and extend equipment life.