AC-DC Switching Power Supplies feature fanless design.

Press Release Summary:

Housed in 7.93 x 4.13 x 1.59 in. perforated metal case, PUB200/250/300/400 Series is capable of delivering 200–400 W of continuous power with convection cooling. Units feature input range of 90–264 Vac with single output options and efficiencies up to 94%. Operating from 0–70°C with line regulation of ±0.5% at full load, RoHS-compliant power supplies include active PFC as well as overvoltage, overcurrent, and overtemperature protection. Terminal strip connection facilitates installation.

Original Press Release:

Protek Power North America Introduces FANLESS 200-400 Industrial Power

Hudson, MA, – Protek Power North America launches a new FANLESS design in AC-DC Switching Power Supplies with their new PUB200-400 Series.

The PUB200/250/300/400 Series of AC-DC switching power supplies are capable of delivering 200-400 watts of continuous power at convection cooling. The units are housed in a perforated metal case for cooling and feature a terminal strip connection for simplicity of installation.

The PUB Series have an input range of 90-264VAC with single output options, are high in efficiency, compliant with EN55022 and FCC Class B emissions, active PFC to meet IEC61000-3-2 Class A and D, have protection against overvoltage, overcurrent and overtemperature, and are RoHS compliant.

Additional features include operating temperature of 0°C-70°C, line regulation ±0.5% maximum at full load, and operating efficiencies up to 94%. The size of the PUB200/250/300/400 series is as small as 7.93”(L) x 4.13”(W) x 1.59”(H).

This series is ideal for a variety of applications but designed superlatively for the industrial market.

Supplies are competitively priced starting at $49.00 in OEM quantities, with delivery from stock to 10 weeks ARO. For further price and delivery questions or order placement please contact our sales team at Full specifications are available on-line or please contact our technical support team at

Protek Power North America, Inc.

43 Broad Street

Hudson, MA 01749

Telephone: 978-567-9615

Fax: 978-567-9601


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