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VOLUME -23 NUMBER 6
Publication Date: 06/1/2008
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Electronic Mfg. Services
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Special Feature: SMT and Production
Product Preview: Atllantic Des / MDM
June 2008 Issue
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Schaefer Intros 2500W Converter & Supply Series
Rack-mount power unit.
Ashland, MA — Schaefer, Inc. has introduced the C4700 Series of 2,500 Watt DC/DC converters, AC/DC power supplies and battery-charging products. The Series' robust design, using industrial grade components, yields a highly efficient, space-saving solution for even the most extreme environments in industries such as railway controls and communications equipment, military applications, alternative energy applications, transportation, and process control systems.
The C4700 Series includes an extensive lineup of over 200 standard models, with requests for modifications also welcomed. Nine standard DC input voltage options span a range from 10 to 800VDC. AC input models offer either 1-Phase or 3-Phase options as well as battery charging models. Single outputs are available in twelve standard ranges encompassing 4.5VDC to 400VDC. All outputs are adjustable and fully regulated to 0.2 percent or better (load) and 0.1 percent (line).
DC/DC and AC/DC models have remote sense capability. The units have comprehensive protection circuitry and efficiencies are reportedly up to 95 percent. Operating temperature range is -20 to +75°C, with -40 to +75°C as an option.
The units are packaged in a space-saving 6U x 19-in. x 306mm rack module, a wall mount module, or a newly introduced chassis mount configuration. Options include decoupling diodes for parallel or redundant operation, further mechanical ruggedization, inhibit, Power Fail, DC-OK alarms, system reset, and programming/monitoring functions.
Mechanical and electrical modifications to standard modules are readily available upon request. In addition, the company can design and manufacture fully custom solutions.
Contact: Schaefer, Inc., 200 Butterfield Dr., Ashland, MA 01721
508-881-7330 fax: 508-231-0861 Web:
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