ABB ACS550-U1-077A-6 Variable Frequency Drive | 55kW 77A 500–600V 3-Phase NEMA 1

Description

• The ABB ACS550-U1-077A-6 Variable Frequency Drive is a high-performance industrial AC drive designed for demanding motor control applications. Rated at 55 kW (77 A) with 500–600 VAC three-phase input, this ACS550 series VFD is ideal for pumps, fans, conveyors, compressors, and HVAC systems. Featuring NEMA 1 enclosure and U.S. installation compliance, it delivers reliable speed control, energy efficiency, and smooth motor operation in industrial environments.

  ---

  🔹 Key Features (SEO-Friendly Bullets)

  • Brand: ABB

  • Series: ACS550

  • Model: ACS550-U1-077A-6

  • Power Rating: 55 kW

  • Output Current: 77 A

  • Voltage: 500–600 VAC

  • Phase: Three-Phase

  • Frequency: 50/60 Hz

  • Enclosure: UL Type / NEMA 1

  • Application: Pumps, Fans, HVAC, Industrial Automation

  • Compliance: US Installation & NEMA Standards