Unitronics UMI-0300EE-B1 variable frequency drive, a 30 kW three phase AC inverter with integrated C3 EMC filter, dynamic braking, STO safety and Modbus RTU communication for industrial motor control applications.
£1,272.60
The Unitronics UMI-0300EE-B1 is a high-power AC variable frequency drive (VFD) designed for precise speed and torque control of three-phase motors in demanding industrial automation and machinery applications. As part of the robust Unitronics UMI-B1 EU series, it provides dependable motor control, advanced safety functions and flexible integration with modern control systems.
This drive is engineered for heavy-duty industrial use, helping improve machine performance, reduce energy consumption and protect driven equipment from unnecessary mechanical stress. With an integrated C3 EMC filter, built-in dynamic braking and certified safety functionality, the UMI-0300EE-B1 is suitable for professional control panel and machine-building environments.
With a rated output power of 30 kW / 40 HP and a three-phase 380–440 V AC supply, the UMI-0300EE-B1 is ideal for larger industrial motors used in conveyors, pumps, fans, compressors, processing machinery and production systems.
Variable frequency drives such as the Unitronics UMI-0300EE-B1 control motor speed by adjusting output voltage and frequency. This enables smoother acceleration, improved process accuracy and better energy efficiency across industrial machinery and automation systems.
The UMI-B1 EU series is designed for machine builders, panel builders and system integrators requiring reliable inverter performance in demanding environments. Its integrated safety, braking and communication features make it suitable for both new installations and machinery upgrades.
| Power | 30 kW |
|---|---|
| Current | 60 A |
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | UMI-B1 EU Series |
| Product type | AC variable frequency drive |
| Rated output power | 30 kW |
| Horsepower rating | 40 HP |
| Rated output current | 60 A |
| Input voltage | 380–440 V AC |
| Input phases | 3-phase |
| Input frequency | 50 / 60 Hz |
| Output frequency | 0–400 Hz |
| Control methods | Sensorless Vector Control, V/F Control |
| Safety function | Safe Torque Off (STO) |
| Safety rating | PLe, SIL3, Cat.3 |
| EMC filter | Integrated C3 EMC filter |
| Mounting type | Wall / flange mounting |
| Protection rating | IP20 |
| EMC Filter | Industrial |
This drive is used to control the speed and torque of three-phase AC motors in industrial machinery, automation and process applications.
The drive supports motors with a rated output power of approximately 30 kW / 40 HP.
The UMI-0300EE-B1 operates from a three-phase 380–440 V AC supply.
Yes, the drive includes integrated Safe Torque Off (STO) functionality with PLe, SIL3 and Cat.3 safety ratings.
The drive is typically installed in industrial control panels or machine systems using wall or flange mounting.
Unitronics UMI-B1 variable frequency drives are used by machine builders, panel builders and automation engineers to deliver reliable motor control, efficient operation and flexible integration into industrial systems.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...