ABB ACS355-03E-02A4-4 – General Machinery Variable Frequency Drive (VFD)

An ABB ACS355-03E-02A4-4 general machinery VFD with 0.75 kW output power, 380-480 V AC input, and built-in STO safety.

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ABB ACS355-03E-02A4-4 – General Machinery Variable Frequency Drive (VFD)

The ABB ACS355-03E-02A4-4 is a highly integrated General Machinery Drive (VFD) designed for fast installation and reliable control of AC induction and permanent magnet motors. This compact drive offers robust performance with a continuous output power of 0.75 kW, built-in safety (Safe Torque Off – STO), and an integrated brake chopper, making it an efficient solution for a wide range of machinery applications.

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About This Variable Frequency Drive

This product is a Variable Frequency Drive (VFD) from the ABB ACS355 series, a line of drives optimized for machinery applications. The ACS355-03E-02A4-4 controls the speed and torque of motors by adjusting the frequency and voltage of the electrical supply. It is highly integrated, featuring a built-in brake chopper and a Safe Torque Off (STO) function, which cuts off motor power safely without needing separate external contactors. The drive supports both Sensorless Vector Control and Scalar (V/f) Control, providing flexibility and precision for various motor types and applications.

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Applications

This VFD is suitable for controlling motor speed and torque in a variety of machinery and industrial applications, including:

Conveyors and Material Handling Systems
Pumps and Fans
Mixers and Agitators
Packaging Machinery
Textile and Printing Machines

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Why ROMA Industrial Company

ROMA Industrial is your trusted partner for a full range of industrial supplies across categories like Motion Control & Mechatronics, Electrical & Automation, and Fluid Power & Control. We are committed to providing top-tier products and service to keep your operations running smoothly. We partner with world-class shipping providers like FedEx, DHL, and UPS to ensure fast and reliable delivery worldwide. We accept returns to fulfill your satisfaction and accept variable payments methods including PayPal, credit cards, and more. We are a supplier in Europe, USA, and Saudi Arabia.

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Technical Specifications

Manufacturer: ABB
Part Number: ACS355-03E-02A4-4
Drive Type: General Machinery Drive (VSD/VFD)
Output Power: 0.75 kW
Output Current: 2.4 A (Continuous)
Input Voltage: 380-480 V AC
Input Phase: 3-Phase
Enclosure Rating: IP20 / UL Open Type
Overload Capacity: 150% for 1 minute
Control Mode: Sensorless Vector Control and Scalar (V/f) Control
Safety Function: Built-in Safe Torque Off (STO)
Integrated Chopper: Yes

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Key Features & Benefits

Built-in Safety: Standard Safe Torque Off (STO) function simplifies machinery safety compliance (SIL 3 / PLe).
Dynamic Braking: Integrated brake chopper allows for quick deceleration by easily connecting an external braking resistor.
High Overload Capability: Can handle 150% overload for one minute, ideal for high-inertia or sudden load changes.
Easy to Program: Supports simple sequence programming for self-contained, entry-level automation tasks.

Weight

1,835 kg

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Power

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