ACS550-01-038A-4

 Product Overview

The ABB ACS550-01-038A-4 is a wall-mounted general-purpose Variable Frequency Drive (VFD) in the ACS550-01 series. It provides 18.5 kW (≈ 25 hp) in normal duty and 15 kW (≈ 20 hp) in heavy-duty use, with continuous current ratings of 38 A and 31 A, respectively. It operates on a 380–480 V AC, 3-phase supply and comes in an IP21 enclosure on an R3 frame.

Electrical & Performance Specifications

• Power Output

  • Normal Duty: 18.5 kW (25 hp)

  • Heavy-Duty: 15 kW (20 hp)

• Continuous Current

  • Normal Duty: 38 A

  • Heavy-Duty: 31 A

• Supply Voltage: 380–480 V AC, 3-phase, 50/60 Hz

• Output Frequency Range: 0–500 Hz

• Frame Size: R3

• Enclosure Rating: IP21 (wall-mounted)

Safety, Control & Features

• Safe Torque Off (STO) for functional safety

• Built-in EMC Filter (C2-C3 grade) for EMI resilience

• Integrated Brake Chopper for dynamic braking

• Configuration Tools:

  • FlashDrop (offline parameter transfer)

  • DriveWindow Light (PC-based setup and diagnostics)

• Embedded Logic Capabilities: Includes sequence programming, application macros, assistant control panel for simplified setup

Mechanical & Environmental Specifications

• Dimensions (W × D × H): ~203 mm × 169 mm × 235–239 mm (mounting hardware height included)

• Weight: ~9.7 kg

• Operating Ambient Temperature: –10 °C to +50 °C (derating may apply above 40 °C)

• Mounting Clearance: 75 mm top and bottom; 0 mm side-by-side permitted

• Typical Heat Dissipation: Industry-standard for R3 frame (not explicitly specified)

Summary Table