Schaefer's New Military Power Inverters Designed for Harsh Conditions

Press Release Summary:

The MIL-K Serioes of MIL-COTS inerters from Shcaefer, Inc. has been released. These inverters offer 360Vdc to 750Vdc input vltagee and 208Vac/120Vac three phase (30KW/37.5KVA) 60Hz outpt voltages. They also include low and high IP rater (IP69), liquid (up to 65 C) and air cooled, isolated and non-isolated, AC and DC inputs, parallel (N+1), and hight output power. Inverters are designed for military applications in harsh and hazardous environments.

Original Press Release:

COTS Military Power Inverters for Harsh and Hazardous Conditions

Hopkinton, MA – Schaefer Inc. unveils our new MIL-K Series of MIL-COTS Inverters for military applications. Our robust and ruggedized design allows for high performance, superb reliability and build to order flexibility. The MIL-K Series is the ideal source for use in shelters, vehicles, avionics, radar, naval and many other open air applications.

These highly efficient (93%) 3-level technology, COTS inverters offer 360Vdc to 750Vdc (600Vdc nominal) input voltage and 208Vac/120Vac three phase (30KW/37.5KVA) 60Hz output voltages. Series options include low and high IP rated (IP69), liquid (up to 65ºC) and air cooled, isolated and non-isolated, ac and dc inputs, parallel (N+1), hight output power and more.

Specific units are design to meet the following Mil Standards: Mil-Std-461 (CE, CS, RE, and RS),Mil-Std-1399-300A/B, Mil-Std-1332B, Mil-Std-704, Mil-Std-1275, Mil-Std-810, Mil-Std-901, Mil-Std-167, Mil-Std-202, Mil-Std-740. MIL-K Series also meet CAN (J1939), UL 60950 and UL 1950 CSA, CE Standards.

Schaefer offers a number of options and can optimize or customize for mission and non-mission critical applications. Full product specifications can be viewed at For further information and pricing, please contact Jeff Roffee (Director of Power Systems) Schaefer, Inc., 45 South Street, Hopkinton, MA 01748. Tel: 508/435-6400 Fax: 508/435-6401 for additional information or to schedule a demo.

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