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Martek Power, a provider of electronic power supplies designed specifically for a variety of rolling stock applications, has expanded its Powertron JL Series of open-frame DC/DC converters.

The conduction-cooled units have been developed in response to an increase in applications where the power supply is mounted inside a sealed enclosure.

Originally designed for onboard passenger information systems, JL DC/DC converters are rated up to 50W and offer full EN50155 compliance as well as the ability to accept a range of typical railway input voltages.

Outputs can be specified between 5VDC and 110VDC and the units have a footprint of just 135 x 85mm including the mounting plate.

With efficiencies approaching 90 per cent, the conduction-cooled versions help to minimise any temperature rise within the host equipment.

All converters in the JL Series are designed for continuous operation at ambient temperatures of up to 75C without de-rating.

Martek Power designs and manufactures a wide range of standard and custom AC-DC power supplies, DC-DC power converters, DC-AC power inverters, EMI filters for Military, Aerospace, Medical, Railway, Automotive, Computing, Data storage, Telecom, Laser, Lamps, Networking, and many other industrial applications. Product output power ranges from 1 to 50,000 watts.

Martek Power has extensive expertise in design, engineering, and manufacturing, and are well versed with a variety of industries’ specific requirements and the most demanding quality needs. And, with our broad range of field proven standard power modules, we are capable of providing unique custom power solutions that meet special requirements of our customers worldwide in all market segments we serve.

Our power supplies are manufactured in our ISO 9001/ AS 9100 certified facilities in USA, France, U.K., U.S.A., Mexico, China and Tunisia. As a result, the products are of high quality and highly competitive in price.

It is Martek Power’s policy to design, manufacture and market high quality power supplies and power systems that meet or exceed customer expectations in quality, cost and delivery.

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