UMI-0004BE-B1 Unitronics | 0.4 kW Single Phase 200-240VAC| VSD

Why Choose the Unitronics UMI-0004BE-B1 Variable Frequency Drive?

The Unitronics UMI-0004BE-B1 is a compact and reliable AC variable frequency drive (VFD) from the Unitronics UMI-B1 series, designed for efficient speed control of three-phase motors in automation, machinery and industrial control applications. It provides precise motor regulation while helping improve machine performance, reduce energy consumption and lower mechanical wear.

This drive combines a compact B1 casing with practical control features, making it suitable for standalone use or integration with Unitronics PLC and HMI systems. Built-in communication capability, flexible I/O and integrated safety functionality make the UMI-0004BE-B1 a strong choice for machine builders and automation engineers requiring dependable small motor control.

With a rated output power of 0.4 kW / 0.5 HP and a single-phase 200–240 V AC input supply, the UMI-0004BE-B1 is ideal for compact machinery, conveyors, fans, pumps and OEM automation systems. The drive includes Safe Torque Off (STO), built-in dynamic braking and an IP20 enclosure for DIN rail or wall mounting.

Key Advantages

• Compact variable frequency drive for machinery and automation applications.
• 0.4 kW / 0.5 HP power rating suitable for small motor control systems.
• Single-phase 200–240 V AC input for flexible installation.
• Integrated Safe Torque Off (STO) safety function.
• Built-in dynamic braking for improved stopping performance.
• Modbus RTU and RS-485 communication for automation integration.
• Compact IP20 format suitable for control panels and machinery cabinets.

Key Features

• Unitronics UMI-B1 EU series.
• 0.4 kW rated output power.
• 0.5 HP motor rating.
• 2.5 A nominal output current.
• Single-phase 200–240 V AC input supply.
• Output frequency range 0–400 Hz.
• Integrated STO safety function rated PLd, SIL2, Cat.3.
• RS-485 / Modbus RTU communication capability.
• Built-in dynamic braking.
• IP20 enclosure for cabinet installation.

Technical Specifications

• Manufacturer: Unitronics
• Series: UMI-B1 EU Series
• Model: UMI-0004BE-B1
• Product type: AC variable frequency drive
• Rated output power: 0.4 kW / 0.5 HP
• Rated output current: 2.5 A
• Input voltage: 200–240 V AC
• Input phases: Single phase
• Output phases: Three phase
• Output frequency: 0–400 Hz
• Communication: RS-485 / Modbus RTU
• Safety function: Safe Torque Off (STO)
• Safety rating: PLd / SIL2 / Cat.3
• Protection rating: IP20
• Mounting type: DIN rail / wall mounting
• Ambient operating temperature: -10 to +50 °C
• Dimensions (H × W × D): approx. 160 × 80 × 124 mm

Reliable Motor Control for Industrial Automation

Variable frequency drives such as the Unitronics UMI-0004BE-B1 regulate motor speed by adjusting output voltage and frequency. This allows machinery to run more efficiently while improving process control and reducing stress on motors, belts, pumps, fans and mechanical components.

The UMI-B1 series is well suited to machine automation environments where compact installation, flexible communication and reliable motor control are essential. Its support for Modbus RTU and RS-485 communication enables integration with PLCs, HMIs and wider automation systems.

Typical Applications

• Small conveyors and material handling systems.
• Packaging and filling machinery.
• Food processing equipment.
• Pumps and fan speed control.
• Compressors and auxiliary machinery.
• OEM machine building and automation panels.

Trusted by Automation Engineers Worldwide

Unitronics variable frequency drives are widely used by machine builders, automation engineers and maintenance teams to deliver reliable motor control, efficient operation and straightforward integration into industrial control systems.