Mfr Part #:

VMS-450C-12-CNF

Q: What is the efficiency of this power supply?

Typical efficiency is 91% at 230 Vac.

Q: What are the dimensions of the VMS-450C-12-CNF?

The dimensions are 130.0mm (5.12") length, 86.0mm (3.39") width, and 43.0mm (1.69") height.

Q: Does this converter have active power factor correction?

Yes, it features active PFC with a typical power factor of 0.98 at 115 Vac full load and 0.95 at 230 Vac full load.

Mfr Name: CUI Inc.

The CUI Inc. VMS-450C-12-CNF is a 400W AC-DC power supply with a 12VDC output voltage and 33.3A current. It features a wide input voltage range and operates from -40 to 70°C.

Stock on Request

VMS-450C-12-CNF Description

Short technical summary and product information.

The CUI Inc. VMS-450C-12-CNF is an enclosed AC-DC power supply designed for industrial, ITE, and medical applications. It delivers a continuous output power of 400W with a nominal output voltage of 12VDC and a maximum output current of 33.3A.

This power supply operates across a wide AC input voltage range of 90-264 Vac and also supports a DC input range of 127-370 Vdc. It features active Power Factor Correction (PFC) with a typical power factor of 0.98 at 115 Vac and 0.95 at 230 Vac. The efficiency is rated at a typical 91% at 230 Vac.

Designed for demanding environments, the VMS-450C-12-CNF operates within a temperature range of -40°C to 70°C, with derating. It includes essential protections such as over-voltage, over-current, and over-temperature protection. The unit has a 3" x 5" footprint and is suitable for chassis mounting.

Key electrical features include adjustable output, DC input capability, remote sense, standby output, and universal input. It is certified to 60601 safety standards and designed to meet 60335 and 61558 safety requirements, making it suitable for BF applications.

VMS-450C-12-CNF Quick Information

Product Type: AC DC Power Supply

Series: VMS-450C

Canonical Name: CUI Inc. VMS-450C-12-CNF AC-DC Power Supply

Subcategory: AC DC Converters

VMS-450C-12-CNF Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

VMS-450C-12-CNF Features

Delivers 400W output power at 12VDC.
Supports 90-264 Vac universal input.
Operates reliably from -40 to 70°C.
Features active PFC for efficiency.
Certified for ITE and Medical applications.

VMS-450C-12-CNF Applications

Industrial control and automation systems.
Test and measurement equipment.
Telecommunications and networking gear.
LED signage and lighting systems.
Embedded computing power supplies.

VMS-450C-12-CNF FAQs

7 frequently asked questions generated from this part’s specifications.

What is the output voltage and current of the VMS-450C-12-CNF?

The output voltage is 12 Vdc and the maximum output current is 33.3 A, providing 400W of output power.

What is the input voltage range for this AC/DC converter?

The AC input range is 90-264 Vac (47-63 Hz) and the DC input range is 127-370 Vdc.

What is the operating temperature range?

The operating temperature range is -40°C to 70°C with derating.

What protection features does the VMS-450C-12-CNF include?

It includes over voltage protection (latching at 15.6 Vdc), over current protection (hiccup at 105%), short circuit protection (continuous hiccup, recovery <5s), and over temperature protection (auto recovery).

What is the efficiency of this power supply?