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VMS-450B-54-CFS AC/DC converter from CUI Inc. delivering 54V at 8.3A (448W) with 92% efficiency and 4000 Vac input-to-output isolation.
Mfr Part #:

VMS-450B-54-CFS

Mfr Name: CUI Inc.
CUI Inc.
AC/DC converter from CUI Inc. delivering 54V at 8.3A (448W) with 92% efficiency and 4000 Vac input-to-output isolation.
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VMS-450B-54-CFS Specifications Quick View

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VMS-450B-54-CFS Description

Short technical summary and product information.

The CUI Inc. VMS-450B-54-CFS is an AC/DC converter that provides a nominal 54 Vdc output at up to 8.3 A, delivering 448 W of power. It accepts a universal input of 100-240 Vac (90-264 Vac range) at 50-60 Hz, with a typical power factor of 0.9 at full load. The converter achieves 92% typical efficiency and features 4000 Vac isolation between input and output.

 

Protection features include over voltage protection at 150% and over current protection at 130%. The unit includes a 12 Vdc / 600 mA fan drive output for external cooling and a 5 Vdc / 1 A auxiliary output. Remote on/off control is supported. MTBF is rated at 300,000 hours per Telcordia SR-332 at 250 W and 25 °C.

VMS-450B-54-CFS Quick Information

Product Type: AC DC Converter
Canonical Name: CUI Inc. VMS-450B-54-CFS AC/DC Converter, 54V Output, 448W
Subcategory: AC DC Converters

VMS-450B-54-CFS Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

VMS-450B-54-CFS Features

  • 54 Vdc output at 8.3 A maximum.
  • 92% typical efficiency rating.
  • 4000 Vac input-to-output isolation.
  • Over voltage and over current protection.
  • Includes fan drive and auxiliary outputs.

VMS-450B-54-CFS Applications

  • Suitable for industrial power supply systems.
  • Ideal for telecom and networking equipment.
  • Used in LED lighting and signage applications.
  • Applicable for test and measurement instruments.
  • Fits embedded computing and peripheral power.

VMS-450B-54-CFS FAQs

5 frequently asked questions generated from this part’s specifications.
What is the output voltage and current of the VMS-450B-54-CFS?

The nominal output voltage is 54 Vdc with a maximum output current of 8.3 A.

What is the input voltage range for this converter?

The input voltage range is 100-240 Vac (90-264 Vac) at 50-60 Hz.

What is the efficiency of the VMS-450B-54-CFS?

The typical efficiency is 92%.

What isolation voltage does this converter provide?

Input-to-output isolation is 4000 Vac minimum, and input-to-ground isolation is 1500 Vac minimum.

Does the VMS-450B-54-CFS include protection features?

Yes, it includes over voltage protection at 150% and over current protection at 130%.

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