High-performance frequency inverter ABB ACS355‑03E‑07A3‑4 for industrial drives
The ABB ACS355‑03E‑07A3‑4 is a compact, powerful AC drive designed for three-phase motors. With a rated output of 3 kW and voltage range from 380 to 480 V, it offers flexible speed control using sensorless vector control or V/f mode. Built-in protective functions, EMC compliance, and reliable construction make it suited for demanding industrial automation environments.
Technical specifications
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Rated power: 3 kW
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Supply voltage: 3-phase, 380–480 V AC
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Output current: ~7.3 A
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Control modes: sensorless vector, V/f
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Overload capacity: 150 % for 1 minute
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Protection class: IP20
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Cooling: internal fan
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Operating temperature: –10 °C to +50 °C
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Interfaces: basic digital & analog I/O
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Dimensions: approx. 70 mm × 132 mm × 344 mm
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Weight: ~1.8 kg
Key advantages
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Compact form factor — ideal for tight panel space
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Robust control modes for varied load conditions
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Integrated protective features (overcurrent, overvoltage, etc.)
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EMC filter integrated
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Easy configuration and maintenance
Application and use cases
The ABB ACS355‑03E‑07A3‑4 is ideal for controlling pumps, fans, conveyors, and general machinery in industrial settings. It works well where compact units with reliable performance and protection are required.
About the manufacturer
ABB is a global leader in power and automation technologies. Their ACS355 series delivers compact yet powerful frequency inverters, combining performance and flexibility for modern industrial applications.