ABB ACH550-UH-027A-6 VFD AC Drive – 25HP, 600V, 3PH, 27A, With Keypad & 60A Disconnect

Description

• The ABB ACH550-UH-027A-6 is a heavy-duty HVAC variable frequency drive designed for reliable motor control in commercial and industrial applications. This 25 HP drive delivers smooth, energy-efficient operation for fans, pumps, air-handling equipment, and building automation systems. Although discontinued by the manufacturer, it remains widely used and supported in the field.

  Key Features

  • ACH550 Series HVAC-rated AC drive

  • Input voltage: 500–600 VAC, 3-phase

  • 25 HP (18.5 kW) motor capacity

  • 27A output current

  • Includes ACH-CP-B operator keypad

  • Includes 60A fused disconnect switch for integrated protection

  • Built-in HVAC macros for easy configuration

  • Smooth motor control with reduced mechanical stress

  • Designed for high reliability in demanding applications

  • Widely used replacement model for HVAC systems

  Specifications

  • Model: ACH550-UH-027A-6

  • Voltage: 500–600 VAC

  • Phase: 3-Phase

  • Output Current: 27A

  • Power Rating: 25 HP / 18.5 kW

  • Frequency: 50/60 Hz

  • Keypad: ACH-CP-B included

  • Disconnect: 60A fused disconnect switch included

  • Status: Discontinued by manufacturer

  Applications

  • HVAC supply and return fans

  • Pump systems

  • Air handlers

  • Cooling towers

  • Building automation

  • Commercial and industrial energy-saving upgrades