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UMI-S0027 Unitronics UMI-B1 37-45kW 3P IN FLT C2

MPN: UMI-S0027

Alt. SKU: UMIS0027

Special Price £830.03 £691.69 Regular Price £976.50

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Why Choose the Unitronics UMI-S0027 EMC Input Filter?

The Unitronics UMI-S0027 is a high-capacity EMC C2 input filter designed to minimise electromagnetic interference generated by industrial variable frequency drives. Installed between the mains power supply and the inverter, the filter suppresses conducted electrical noise and helps automation systems comply with IEC / EN 61800-3 electromagnetic compatibility standards.

This filter is engineered for use with Unitronics B1-series and B5-series variable frequency drives operating on three-phase power systems. It is typically used with drives rated around 18.5 kW (25 HP), providing reliable EMC suppression for high-power industrial motor control installations.

By reducing inverter switching noise, the UMI-S0027 protects nearby electronics such as PLCs, sensors and communication networks from electrical interference. This improves system stability and ensures reliable operation in industrial automation panels and machine control systems.

Key Features

  • EMC C2 input filter designed for industrial variable frequency drives.
  • Reduces electromagnetic interference (EMI) generated by inverter switching.
  • Designed for three-phase industrial power systems.
  • Compatible with Unitronics B1 and B5 series VFDs.
  • Supports drives rated approximately 18.5 kW (25 HP).
  • Helps installations comply with IEC / EN 61800-3 EMC standards.
  • Industrial enclosure suitable for mounting inside control cabinets.

Technical Specifications

  • Manufacturer: Unitronics
  • Model: UMI-S0027
  • Product type: EMC input filter
  • Filter class: C2
  • Supply voltage: approx. 380 V AC
  • Phase configuration: Three phase (3AC)
  • Rated current: 100 A
  • Drive power rating: approx. 18.5 kW (25 HP)
  • Standards compliance: IEC / EN 61800-3
  • Mounting: Wall or panel mounting
  • Protection rating: IP20
  • Dimensions: approx. 301 × 143 × 106 mm
  • Operating temperature: −10 °C to +50 °C

Typical Applications

  • Industrial motor control systems using variable frequency drives.
  • Automation control panels requiring EMC compliance.
  • Manufacturing machinery and production equipment.
  • Industrial systems with PLCs and sensitive electronics near inverter drives.
  • Installations requiring suppression of inverter-generated electrical noise.

Frequently Asked Questions

What is the UMI-S0027 used for?

The UMI-S0027 is an EMC input filter used to reduce electrical noise produced by variable frequency drives in industrial automation systems.

Which drives is this filter compatible with?

It is typically used with Unitronics B1 and B5 series drives rated around 18.5 kW (25 HP).

Where is the filter installed?

The filter is installed between the mains supply and the inverter input to suppress conducted electromagnetic interference.

Why are EMC filters required with VFDs?

Variable frequency drives generate high-frequency switching noise. EMC filters reduce this interference and help installations comply with international EMC standards.

Can this filter be used with single-phase drives?

No. The UMI-S0027 is designed for three-phase inverter installations.

Trusted by Automation Engineers

Unitronics EMC filters such as the UMI-S0027 help maintain reliable inverter operation while ensuring electromagnetic compatibility in demanding industrial automation environments.
More Information
Packed Quantity 1
Manufacturer Unitronics
Manufacturer Part Number UMI-S0027
Alternative Product SKU UMIS0027
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