The ABB ACS550 standard drive is versatile enough to serve a broad spectrum of industries, with typical uses including pumps, fans, and constant-torque applications like conveyors. It is particularly well-suited for scenarios where simplicity in installation, commissioning, and operation is prioritized—eliminating the need for extensive customization or specialized engineering.

As an ABB variable frequency drive (VFD), the ACS550 stands out for its ease of selection, installation, configuration, and use, saving significant time for users. It features:

• Effortless installation and hassle-free startup
• An advanced control panel enabling intuitive operation
• A patented swinging choke for exceptional harmonic reduction
• A built-in EMC filter (for first environments) as standard
• Integrated Modbus and multiple internally mountable fieldbus adapters
• UL, cUL listing, and CE approval

• Item Number: ACS550-U1-157A-4
• Brand: ABB
• Item Category: Drives
• Subcategory: AC
• Series: ACS550
• Nominal Input Voltage: 480 Volts AC
• Input Voltage Range: 380 to 480 Volts AC
• Input Phase: 3-phase
• Application: Industrial
• Horsepower (Constant Torque): 100 Horsepower
• Amps (Constant Torque): 124 Amps
• Horsepower (Variable Torque): 125 Horsepower
• Amps (Variable Torque): 157 Amps
• Maximum Frequency: 500 Hertz
• Braking Type: DC Injection; Dynamic Braking Transistor (optional, external)
• AC Line Regenerative: No
• Closed Loop Capability: Optional
• Maximum Motor Control Level: Open Loop Vector (Sensorless Vector)
• Operator Controls: Keypad included
• Enclosure Rating: NEMA 1; IP21
• Mounting Type: Panel
• Frame Size: UX1-6
• Package: ACS550R6IP21
• Dimensions (H x W x D): 35 Inches x 11.9 Inches x 15.8 Inches
• Net Weight: 152 lb

Additional Features: Equipped with an advanced control panel featuring a graphic backlit display, capable of showing 3 values or bar graphs.