ABB ACS380-042S-09A4-4 machinery drive, a 4 kW variable-torque (VT) / 3 kW constant-torque (CT) three phase AC variable frequency drive designed for industrial machinery, OEM automation and efficient motor control.
£640.80
The ABB ACS380-042S-09A4-4 is a compact and highly capable AC variable frequency drive (VFD) designed for precise motor control in industrial machinery and OEM automation applications. As part of the advanced ABB ACS380 machinery drive series, it offers reliable performance, seamless integration and efficient operation across a wide range of machine control systems.
This drive is engineered for machine builders who require dependable speed and torque control in a compact format. The ACS380 series combines flexible connectivity, built-in safety functionality and simple commissioning, making it easy to integrate into modern automation platforms and control panels.
With a rated output power of 4 kW (VT / normal duty) or 3 kW (CT / heavy duty), a nominal output current of 9.4 A and a three-phase 380–480 V AC supply, the ACS380-042S-09A4-4 is well suited for conveyors, pumps, fans, mixers, packaging machinery and production equipment. Its IP20 module construction enables straightforward installation inside electrical cabinets and machinery enclosures.
Variable frequency drives such as the ABB ACS380 regulate motor speed by adjusting output voltage and frequency. This enables machinery to run more efficiently while improving process precision, reducing mechanical stress and supporting smoother operation across motor-driven equipment.
The ACS380 series is designed for OEMs, machine builders and automation engineers who need compact, flexible and dependable motor control. Its integrated safety and automation-ready design help simplify installation while supporting reliable long-term operation in industrial environments.
| Power | 4 kW |
|---|---|
| Current | 9.4 A |
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | ACS380 Machinery Drives |
| Product ID | 3AXD50000031902 |
| Product type | AC variable frequency drive |
| Rated output power (VT / normal duty) | 4 kW |
| Rated output power (CT / heavy duty) | 3 kW |
| Nominal output current (IN) | 9.4 A |
| Output current, VT / normal duty (ILd) | 8.9 A |
| Output current, CT / heavy duty (IHd) | 7.2 A |
| Input voltage | 380–480 V AC |
| Input phases | 3-phase |
| Frequency | 47.5 – 63 Hz |
| Output frequency range | 0–599 Hz |
| Protection rating | IP20 |
| Mounting type | Cabinet / module mounting |
| Frame size | R1 |
| Dimensions (H × W × D) | approx. 223 × 70 × 176 mm |
| Weight | approx. 1.4 kg |
| HS Code | 85044085 |
| Country of Manufacture | China |
| EMC Filter | None |
This drive controls the speed and torque of three-phase AC motors used in industrial machinery, automation systems and OEM equipment.
The drive supports motors with a rated output power of 4 kW on variable-torque (normal duty) loads, or 3 kW on constant-torque (heavy duty) loads.
The ACS380-042S-09A4-4 operates from a three-phase 380–480 V AC supply.
Yes, the ACS380 series includes integrated Safe Torque Off (STO) functionality for machinery safety applications.
The drive is typically installed inside electrical control panels, machine cabinets or industrial automation enclosures.
ABB ACS380 machinery drives are widely used by machine builders, OEMs and automation engineers to deliver compact, efficient and reliable motor control for modern industrial equipment.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...