Unitronics UMI-0370EE-B1 variable frequency drive, a 37 kW three phase AC inverter with integrated C3 EMC filter, dynamic braking, STO safety and Modbus RTU communication for industrial motor control applications.
£1,691.20
The Unitronics UMI-0370EE-B1 is a heavy-duty AC variable frequency drive (VFD) designed for precise speed and torque control of three-phase motors in demanding industrial automation, machinery and process applications. As part of the robust Unitronics UMI-B1 EU series, it provides dependable inverter performance with integrated safety, braking and communication features.
This drive is engineered to support efficient motor operation, reduce mechanical stress and improve process control in high-power industrial systems. With an integrated C3 EMC filter, built-in dynamic braking and certified Safe Torque Off (STO) safety functionality, the UMI-0370EE-B1 is well suited to professional machine-building and control panel applications.
With a rated output power of 37 kW / 50 HP and a three-phase 380–440 V AC supply, the UMI-0370EE-B1 is ideal for larger industrial motors used in conveyors, pumps, fans, compressors, production machinery and heavy-duty automation systems.
Variable frequency drives such as the Unitronics UMI-0370EE-B1 regulate motor speed by adjusting output voltage and frequency. This allows industrial equipment to operate more efficiently while improving process accuracy, reducing energy consumption and minimising mechanical wear on motors and driven components.
The UMI-B1 EU series is designed for machine builders, panel builders and system integrators requiring reliable inverter performance in demanding industrial environments. Integrated safety, braking and communication functions make this drive suitable for both new installations and machinery upgrades.
| Power | 37 kW |
|---|---|
| Current | 75 A |
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | UMI-B1 EU Series |
| Product type | AC variable frequency drive |
| Rated output power | 37 kW |
| Horsepower rating | 50 HP |
| Rated output current | 75 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 37 kW / 50 HP.
The UMI-0370EE-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.
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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...