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VMS-40-12 The VMS-40-12 from CUI Inc. is an open frame AC/DC converter delivering 12V at 3.34A (40W) with 86% efficiency and universal input.
Mfr Part #:

VMS-40-12

Available from 1 distributors
Mfr Name: CUI Inc.
CUI Inc.
The VMS-40-12 from CUI Inc. is an open frame AC/DC converter delivering 12V at 3.34A (40W) with 86% efficiency and universal input.
Total Stock: 15,000 pcs

VMS-40-12 Available from 1 distributor

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VMS-40-12 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Approval Agency
Current
Current - Output
Efficiency
Features
Height
Isolation Voltage
Length
Medical Grade
Mounting Type
Number of Outputs
Operating Temperature
Power (Watts)
SVHC Present
Standard Number
Tape & Reel
Type
Voltage
Width

VMS-40-12 Description

Short technical summary and product information.

The CUI Inc. VMS-40-12 is an open frame AC/DC converter designed for medical and industrial applications. It provides a single 12V output at 3.34A with a total power rating of 40W. The converter features a universal input range and achieves 86% efficiency, reducing thermal dissipation in compact enclosures.

 

This converter is chassis-mountable with dimensions of 76.2mm x 50.8mm x 23.1mm. It is approved to multiple safety standards including EN 60601-1 for medical equipment and EN 60950-1 for IT equipment, with an isolation voltage of 5.656kV. The operating temperature range is 0°C to 70°C.

 

Designed for reliable performance, the VMS-40-12 includes universal input capability and is suitable for powering medical devices, test equipment, and other systems requiring a regulated 12V supply.

VMS-40-12 Quick Information

Product Type: AC DC Converter
Series: VMS-40
Canonical Name: CUI Inc. VMS-40-12 AC/DC Converter, Open Frame, 12V Output, 40W
Subcategory: Open Frame

VMS-40-12 Compliance

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

VMS-40-12 Features

  • Single 12V output at 3.34A (40W).
  • 86% typical efficiency rating.
  • 5.656kV input-to-output isolation.
  • Universal input for worldwide use.
  • Medical safety approvals (EN 60601-1).

VMS-40-12 Applications

  • Suitable for medical device power supplies.
  • Ideal for industrial control systems.
  • Used in test and measurement equipment.
  • Fits in compact chassis-mount enclosures.

VMS-40-12 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage and current of the VMS-40-12?

The VMS-40-12 provides a single output of 12V at 3.34A, with a total power of 40W.

What is the efficiency of this converter?

The efficiency is rated at 86%.

What is the operating temperature range?

The operating temperature range is 0°C to 70°C.

What safety approvals does the VMS-40-12 have?

It is approved to CB Scheme, EN, IEC, SIQ, TUV, UL standards, including EN 60601-1 (medical) and EN 60950-1 (IT).

What is the isolation voltage?

The input-to-output isolation voltage is 5.656kV.

What is the mounting type and dimensions?

It is chassis mount with dimensions 76.2mm x 50.8mm x 23.1mm.

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