Medical Grade Power Supply delivers 500 W.

Press Release Summary:

Featuring 90-265 Vac universal input and active PFC, TMPC-500 can be used worldwide and has typical earth leakage current of 90 µA at 115 Vac or 150 µA at 230 Vac. Maximum total output is 500 W, with combined output of +3.3 and +5 V limited to 200 W and +3.3/+5/+12 V offering maximum power of 480 W. Operating from 0-50ºC, unit has built-in, thermally controlled ball-bearing fan with noise-killer and short circuit protection on all outputs.

Original Press Release:

Medically Approved ATX PC Power Supply from TRUMPower Is the First to Have a High Output of 500 W

September 12, 2008 - Santa Clara, CA - Tumbler Technologies + TRUMPower announces the TMPC-500, which is the first medically approved 500W ATX PC power supply available in its industry.

The TMPC-500 is a unique higher power source that is an addition to the line-up of medical grade power supplies which the company has had on the market. With its 90-265 VAC universal input and active PFC, the power supply can be used worldwide without the necessity of changing input settings.

The TMPC-500 is approved to UL 60601-1, IEC 60601-1, and EN 60601-1 medical standards and complies with EN 61000-3-2, EN 60601-1-2, EN 55011 EMI standards. It has an MTBF > 200,000 hours @ 25°C. In addition to the typical earth leakage current of 90µA @ 115 VAC or 150µA @ 230 VAC, there is a < 90µA @ 264 VAC low leakage version of the power supply available.

The unit complies with ATX12V and EPS12V standards. It comes with DC voltage outputs and maximum loads of +3.3V/30A, +5V/30A, dual +12V/17A, -12V/0.8A, +5Vsb/2A, -5V/0.3A respectively. The maximum total output is 500W, with the combined output of +3.3V and +5V limited to 200W, and +3.3V/+5V/+12V offering a maximum power of 480W. The power supply includes a standard output cable set that can meet the requirements of most applications. But any other requirements of the cable set can be fulfilled as well.

The TMPC-500 has a built-in, thermally controlled ball-bearing fan with noise-killer. Other key features include short circuit protection on all outputs, output over voltage protection, resettable power shutdown, low ripple and noise, and 0ºC-50ºC operating temperature.

The TMPC-500 is priced at $299 in OEM quantity. Units are available from stock to 8 weeks ARO.

For detailed information on the TMPC-500, please visit or email

Tumbler Technologies + TRUMPower has been delivering excellent quality medical and commercial grade AC/DC switching power supplies and DC/DC converters since 1991. The company's medical grade power supplies range from 10W to 650W in wall mount, desktop, open frame, and ATX PC form factors. Tumbler Technologies + TRUMPower can accommodate to OEM's needs, whether they are low volume or high volume power supplies, by providing prompt responses and cost-effective power solutions. As a result, it has gained a substantial number of satisfied customers over the years and continues to do so.

To learn more about the company and its many other products, please visit

Company Information:

Tumbler Technologies + TRUMPower

3350 Scott Blvd., Bldg. 13

Santa Clara, CA 95054

Phone: (408) 988-6616

Fax: (408) 988-6622

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