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Schaefer, Inc.

200 Butterfield Drive
Ashland, MA 01721-2060

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About Schaefer, Inc.:

Schaefer specializes in design and manufacture of highly rugged power supplies and power conversion systems used in applications requiring high reliability under severe ambient conditions.

Schaefer’s complete line of state-of-the-art, high efficiency, wide temperature range power conversion products include: AC/DC & DC/DC Converters (50W – 20 kW+)
DC/AC Inverters (200VA – 30 kVA)
Battery chargers (150W – 22 kW+)
Step-up Converters (50W – 22 kW).

All products are designed to meet the needs of light & heavy rail applications. Custom and modified designs, tailored to the customer's specific requirements are easily handled, often with little or no NRE.

Products by Schaefer, Inc.

Available from: Schaefer, Inc.
Schaefer's LVPS accepts a 37.5VDC input and can provide from 8kW to 40kW of total output power. Units operate over a wide temperature range and feature transient undervoltage and overvoltage...Read More
Available from: Schaefer, Inc.
The MHVC250 design features a wide input range of 420VDC to 975VDC which converts voltage from the third rail to 24VDC for supplying points, signal lamps and electronic monitoring. The MHVC250 can...Read More
Available from: Schaefer, Inc.
5KW of power with ten standard DC input ranges, single or three phase AC inputs or battery charging models. Single DC output voltages up to 400VDC. Rugged 6U package!

News About Schaefer, Inc.

09/06/2010
Schaefer, Inc.
Schaefer describes their custom power conversion product capabilities on website
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