UMI-0370CU-B7 Unitronics | 37 kW 3 Phase 200-240VAC | VSD

Why Choose the Unitronics UMI-0370CU-B7 Variable Speed Drive?

The Unitronics UMI-0370CU-B7 is a high-performance AC variable frequency drive (VFD) designed for precise speed, torque and position control of three-phase motors in demanding industrial automation applications. As part of the advanced Unitronics UMI-B7 series, it delivers reliable motor control, flexible connectivity and efficient operation for machine builders and industrial engineers.

This drive supports advanced motor control methods including SVPWM, sensorless vector control and closed-loop vector control, helping provide smooth acceleration, stable torque and accurate process control. Its integrated safety and communication features make it suitable for modern automation systems requiring dependable performance and straightforward PLC integration.

With a rated output power of 37 kW (50 HP) and a three-phase 200–240 V AC supply, the UMI-0370CU-B7 is ideal for industrial motors used in conveyors, pumps, compressors, HVAC systems and production machinery. Integrated Safe Torque Off (STO) functionality supports safer machine operation and helps simplify safety system design.

Key Advantages

• High-performance variable frequency drive for industrial automation.
• 37 kW (50 HP) motor power rating for demanding machinery applications.
• Three-phase 200–240 V AC input suitable for industrial power systems.
• Integrated Safe Torque Off (STO) safety function.
• Advanced vector control for precise speed, torque and position regulation.
• Flexible connectivity for PLC, HMI and automation network integration.
• Efficient motor control helps reduce energy use and mechanical wear.

Key Features

• Unitronics UMI-B7 variable frequency drive series.
• 37 kW / 50 HP rated output power.
• Three-phase 200–240 V AC input supply.
• Integrated Safe Torque Off (STO) functionality.
• Sensorless vector control and closed-loop vector control capability.
• RS-485 Modbus RTU communication with optional Ethernet expansion.
• Suitable for induction and permanent magnet motor control.
• Removable keypad for local configuration and monitoring.
• Panel-mounted design for industrial control cabinets.

Technical Specifications

• Manufacturer: Unitronics
• Series: UMI-B7
• Model: UMI-0370CU-B7
• Product type: AC variable frequency drive
• Rated output power: 37 kW / 50 HP
• Input voltage: 200–240 V AC
• Input phases: 3-phase
• Input frequency: 50 / 60 Hz
• Output frequency: 0–400 Hz
• Control methods: V/f, SVPWM, sensorless vector control, closed-loop vector control
• Communication: RS-485 Modbus RTU, optional Ethernet and fieldbus expansion
• Overload capacity: 150% for 60 s, 180% for 10 s, 200% for 1 s
• Supported motors: Induction and permanent magnet motors
• Safety function: Safe Torque Off (STO)
• Protection rating: IP20
• Cooling method: Forced air cooling
• Mounting type: Cabinet / panel mounting
• Operating temperature: approx. -10°C to +50°C

Reliable Motor Control for Industrial Machinery

Variable frequency drives such as the Unitronics UMI-0370CU-B7 regulate motor speed by adjusting output voltage and frequency. This enables machinery to operate more efficiently while improving process precision, reducing starting current and lowering mechanical stress on motors and driven equipment.

The UMI-B7 series is designed for industrial automation engineers and machine builders that require powerful motor control, integrated safety and flexible system connectivity. Its communication options and advanced control modes make it suitable for both standalone machine control and networked automation systems.

Typical Applications

• Industrial conveyors and material handling systems.
• Pumps, fans and ventilation equipment.
• Compressors and process machinery.
• Mixers, agitators and production equipment.
• Packaging and manufacturing machinery.
• OEM automation systems and machine building.

Trusted by Automation Engineers Worldwide

Unitronics UMI-B7 variable frequency drives are widely used by automation engineers and OEM machine builders to deliver reliable motor control, efficient operation and seamless integration into modern industrial equipment.