ACS550-01-012A-4

Product Overview

The ABB ACS550-01-012A-4 is a wall-mounted, general-purpose variable frequency drive (VFD) in ABB’s ACS550-01 series. It provides a nominal output of 5.5 kW (≈ 7.5 hp) with a continuous current rating of 11.9 A (AC-3) from a 380–480 V AC supply. Designed for industrial and commercial applications, it comes in an IP21 enclosure suitable for indoor protected installations.

Electrical & Performance Specifications

• Nominal Output Power (Normal Duty): 5.5 kW (7.5 hp)

• Continuous Output Current (Normal Duty): 11.9 A

• Continuous Output Current (Heavy Duty): 8.8 A

• Supply Voltage: 380–480 V AC, 3-phase, 48–63 Hz

• Enclosure Rating: IP21

• Mounting: Wall-mounted design (ACS550-01 series)

• Frame Size: R1

• Frequency Range: 0–500 Hz

Safety & Built-In Features

• Safe Torque Off (STO) — functional safety up to SIL 3

• Built-in EMC Filter — C2/C3 compliance for reduced electromagnetic interference

• Integrated Brake Chopper — supports dynamic braking

• Configuration Tools:

  • FlashDrop — drive configuration without applying power

  • DriveWindow Light — PC-based setup and diagnostics

• Embedded Logic Functions: application macros, sequence programming, and assistant tools for reduced external control requirements

Mechanical & Environmental Specifications

• Dimensions (H × W × D): ~485 × 240 × 400 mm

• Weight: ~6.2 kg

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

• Thermal Power Loss: Not specified; aligns with standard ACS550-01 R1 frame dissipation values

Summary Table