RQH Series Railway DC/DC Converters feature remote on/off.

Press Release Summary:

Operated with 24VDC, 48VDC and 110VDC railway input voltages, RQH Series Railway DC/DC Converters offer single outputs of 5, 12, 15, and 24VDC and 10 W of power. Operated in -40 to +105°C temperature range with 88% efficiency, units come with output trim, overload and short circuit protection. Housed in thermally conductive potting compound, converters are available in 1 in. x 2 in. package with optional heat sink and are RoHS compliant.

Original Press Release:

10-Watt 1”x 2” Railway DC/DC Converter

ConTech, a Division of Calex, announces the “RQH” Series of Railway DC/DC converters. The RQH Series offers 10 Watts of fully regulated output power with nominal railway input voltages of 24VDC (9-36 VDC), 48VDC (18-75 VDC), and 110VDC (40-160 VDC). Single outputs offered are 5, 12, 15, and 24VDC. The RQH series uses an industry standard 1”x 2” package which can be ordered with an optional heat-sink. The RQH Series operates with efficiencies as high as 88%.

Features include Remote On/Off, Output Trim, as well as Overload, and Short Circuit Protection. The operating case temperature range of the RQH series is -40 to +105°C. The unit is encapsulated with a thermally conductive potting compound and uses a metal case for improved thermal performance. The RQH series meets Railway standards EN50155, as well as EMC standard EN50121-3-2. The RQH series also meets UL 60950-1 and is RoHS compliant.

For pricing or more information, contact Calex Mfg. Co., Inc. at 800-542-3355 or fax 925-687- 3333. Units are available from stock to 6 weeks. To view a complete data sheet of the RQH series go to http://www.ConTech-us.com/pdf/rqh.pdf To see our complete product line visit our website at www.ConTech-us.com. You may contact us at sales@ConTech-us.com or call Toll free (877) 302-4411.


Michael McNally

2401 Stanwell Drive,

Concord, CA 94520-4841

877-302-4411(Toll Free)




Phone: (719) 639-7800

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