ABB ACS550-01-157A-4 3ABD64726820 Low Voltage AC Drive

FAQ

Q1: What is the ABB ACS550-01-157A-4?
A1: The ABB ACS550-01-157A-4 is a general-purpose AC variable frequency drive designed to control three-phase induction motors in pumps, fans, compressors, conveyors, HVAC systems, and other industrial automation applications.

Q2: What does Product ID 3ABD64726820 represent?
A2: 3ABD64726820 is an ABB product identification number for the ACS550-01-157A-4 drive. It identifies the same hardware platform as other ABB product IDs assigned to this model, with identical electrical ratings and operating characteristics.

Q3: What motor size can this drive control?
A3: It is rated for 75 kW (100 HP) motors in normal-duty applications with a continuous output current of 157 A. For heavy-duty applications, it supports 55 kW (75 HP) motors with a continuous output current of 125 A.

Q4: What input power does the drive require?
A4: The drive operates from a three-phase 380–480 VAC power supply with an input frequency range of 48–63 Hz.

Q5: Which motor control methods are supported?
A5: The drive supports both Scalar (V/Hz) control and Sensorless Vector Control, delivering stable speed regulation, high starting torque, and energy-efficient motor operation.

Q6: What communication options are available?
A6: It includes a built-in Modbus RTU (RS-485) interface and supports optional communication modules for PROFIBUS DP, DeviceNet, CANopen, EtherNet/IP, and other industrial fieldbus protocols.

Q7: What are the physical dimensions of the drive?
A7: The drive measures 888 × 370 × 316 mm (H × W × D), making it suitable for wall-mounted industrial installations.

Q8: What is the weight of the drive?
A8: The drive has a net weight of 46 kg, providing a robust industrial design suitable for medium- and high-power motor control applications.