IMO SD1-2.5A-21-UL-DC torque vector variable speed drive with 0.4 kW output, 200 to 240 V single-phase input, 230 V three-phase output, 2.5 A rated current and UL approval.
£171.12
The IMO SD1-2.5A-21-UL-DC is a compact and reliable AC variable speed drive (VFD) designed to deliver precise speed and torque control for three-phase AC induction motors. Part of the advanced IMO SD1 torque vector inverter series, this UL-listed model is engineered for OEM machinery, industrial automation and export applications requiring recognised North American approvals.
Operating from a single-phase 200 to 240 V AC supply, the drive produces a 230 V three-phase output, allowing three-phase motors to be controlled where only a single-phase supply is available. Sensorless vector and V/f control provide smooth acceleration, excellent low-speed torque and accurate speed regulation across a wide variety of industrial applications.
With a rated motor power of 0.4 kW, a 2.5 A output current and an IP20 enclosure, the SD1-2.5A-21-UL-DC is ideal for conveyors, pumps, fans, packaging machinery and compact automation systems requiring dependable motor control and straightforward integration.
Variable speed drives such as the IMO SD1-2.5A-21-UL-DC regulate motor speed by adjusting output voltage and frequency. This improves process control, reduces mechanical wear and helps lower energy consumption by matching motor speed to application demand.
The SD1 range includes advanced features such as torque vector control, motor auto-tuning, PID control and integrated Modbus RTU communication. These capabilities make it suitable for industrial automation, OEM machinery and compact control panel installations.
| Power | 0.4 kW |
|---|---|
| Current | 2.5 A |
| Phase | Single Phase |
| IP Rating | IP20 |
| Series | SD1 Series |
| Product type | AC variable speed drive / torque vector inverter |
| Rated output power | 0.4 kW |
| Rated output current | 2.5 A |
| Rated power | 0.5 HP |
| Input voltage | 200 to 240 V AC |
| Input phases | Single-phase |
| Output voltage | 230 V AC |
| Output phases | Three-phase |
| Output frequency | 0 to 400 Hz |
| Protection rating | IP20 |
| Control method | Torque vector and V/f control |
| Approvals | UL listed version |
| Mounting type | DIN rail or panel mounting |
| EMC Filter | None |
The SD1-2.5A-21-UL-DC controls the speed and torque of small three-phase AC motors from a single-phase 200 to 240 V AC supply.
The drive is designed for motors with a rated output of up to 0.4 kW (0.5 HP).
The SD1-2.5A-21-UL-DC operates from a 200 to 240 V AC single-phase supply and provides a 230 V three-phase motor output.
Yes. The drive includes built-in Modbus RTU / RS485 communication for integration with PLCs and automation systems.
The UL version is intended for applications requiring recognised North American product approvals, making it suitable for export machinery and OEM equipment.
IMO SD1 variable speed drives are trusted by panel builders, OEM manufacturers and automation engineers to provide dependable motor control, flexible integration and energy-efficient operation across industrial applications.
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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...