1250W Converters and Battery Chargers for Extreme Environmental Conditions

Hopkinton, MA – Schaefer, Inc. introduces the C3700 Series of 1250 Watt DC-DC and AC-DC converter modules and battery charger. Utilizing industrial grade components, the compact and robust 6U design provides a highly efficient, space-saving solution for the most extreme environments in industries such as rail and transit for railway controls, communications equipment, and beyond (onboard and wayside), military applications, transportation, alternative energy applications, and process control systems.

The ultra-high efficient C3700 Series delivers up to 1250W of power and offers nine standard DC input voltage ranges from 18VDC up to 640VDC. AC input options are single-phase 115VAC or 230VAC (with or without PFC) or three-phase inputs of 3×200, 3×400 and 3x480VAC. Single outputs are available in twelve standard ranges encompassing 5VDC-400VDC. All outputs are adjustable and fully regulated to 0.2% or better (load) and 0.1% (line).

The C3700 Series has comprehensive protection circuitry and efficiencies are up to 95%. Featuring natural convection cooling and a standard operating temperature range of –20°C to +75°C (derate 2.5%/°C from +55°C), with an option for -40°C to +75°C. DC-DC and AC-DC models have remote sense capability. Options include decoupling diodes for parallel / redundant operation, further mechanical ruggedization, inhibit, Power Fail / DC-OK alarms, system reset, and programming/monitoring functions.

Full specifications can be viewed at www.schaeferpower.com. Mechanical and electrical modifications to standard modules are readily available upon request. In addition, Schaefer can design and manufacture fully custom solutions. For further information and pricing, please contact Schaefer, Inc., 45 South Street, Hopkinton, MA 01748. Tel: 508/435-6400 Fax: 508/435-6401 Email: sales@schaeferpower.com

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