Enclosed DC/DC converter LTH 65R-F3-HSA series
chassis-mountedregulatedfor railway applications

enclosed DC/DC converter
enclosed DC/DC converter
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enclosed, chassis-mounted
Electrical characteristics
industrial, for railway applications
Other characteristics
single-output, rugged, high MTBF, regulated, EN50155, convection-cooled

250 W

Input voltage

Min.: 10.5 V

12 V

Max.: 16 V

Output voltage

12 V, 24 V, 48 V


The LTH 65R-F3-HSA series of heavy-duty, railway quality DC-DC converters are designed to float charge hold-up batteries for onboard rolling stock electrical equipment. The units are also suitable for a broad range of other transportation and industrial applications. The converters meet the requirements of EN50155 for electronic equipment used on railway rolling stock. Key Specifications - Input: 12Vdc (10.5-16V); - Output: 24V, 48V or 125Vdc and corresponding float voltages; - 25°C to +55°C operating temperature range – no derating; - Meet the requirements of EN50155; - EMI: EN50121-3-2; - Meet EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-6 and EN45545; - Ruggedizing – withstand shock and vibration (IEC 61373 Cat 1 A&B); - Conformal coating – protection from humidity and airborne contaminants; - Efficiency: typically 85% at full load; - Full electronic protection; - Heatsink assembly attached to F3 chassis (F3-HSA): 132mm x 102mm x 323 mm (5.2″ x 4″ x 12.7″) W x H x L.


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