ABB ACH180-04S-033A-4 HVACR Variable Frequency Drive 480V 3-Phase 27A 20HP

The ABB ACH180-04S-033A-4 is a compact, high-performance AC variable frequency drive (VFD) purpose-built for HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration) OEM applications. Part of ABB's ACH180 microdrive series, this unit delivers reliable three-phase motor speed and torque control rated at 20 HP (15 kW) with a 27A output at 460V (32A at 400V), operating from a 380–480V AC three-phase supply.

Key Features:

• HVACR-Optimized Design: Embedded application features specifically tailored for fans, pumps, compressors, and other HVACR loads
• Integrated Safe Torque Off (STO): Built-in safety function for machine protection without external safety relays
• Modbus RTU Communication: Built-in RS-485 Modbus RTU for seamless integration with building automation and control systems
• Adaptive Motor Control: Advanced control algorithm optimizes motor performance and energy efficiency
• Compact Module Format (Frame R3): Space-saving enclosure designed for installation inside electrical control panels and machine cabinets
• IP20 Protection Rating: Suitable for clean, indoor panel-mount environments
• Wide Input Voltage Range: Accepts 380–480V AC three-phase input at 50/60 Hz
• Surface, Wall, or DIN Rail Mounting: Flexible installation options for various panel configurations

Electrical Specifications:

• Input Voltage: 380–480V AC, 3-Phase
• Output Current: 27.0A (at 460V / UL rating) / 32.0A (at 400V / IEC rating)
• Rated Power: 20 HP (UL) / 15 kW (IEC)
• Input Frequency: 47–63 Hz
• Enclosure: IP20 / Open Type
• Frame Size: R3
• Series: ACH180

The ACH180-04S-033A-4 is an ideal solution for HVACR OEMs and system integrators seeking a reliable, feature-rich drive that combines energy savings, compact footprint, and built-in safety in a single unit. Its robust design supports demanding climate control applications including air handlers, chillers, cooling towers, and refrigeration compressors.