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Static Inverters & Frequency Converters


Static Inverters are used to produce AC power from DC.  The DC power, in this case, comes from batteries.  The AC is producedf by using power semi-conductors to chop up the DC into something that approximates a sine curve.

Erie Aviation, Inc. is pleased to represent L3 Technologies, formerly Wartsilla EUROATLAS, the manufacturer of aviation static inverters.      

Because the AC supply on an aircraft runs at 400 cycles, it is necessary to slow it down so passengers can plug in their razors or other AC devices.  The job of changing the 400Hz AC to 60Hz is performed by static frequency converters.

The term "static" is used to differentiate these devices from the old way of performing such tasks, before reliable and sufficiently powerful semi-conductors came along.  Then, it meant using various forms of rotating machinery - motors, generators, and alternators.

These are all single-phase devices.  The L3 Technologies units are relatively inefficient with a power factor of 0.4 to 0.6, but that hardly matters since they are so small.

Questions about these products, please call us at 1-814-838-8934 or email us at 


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Static Inverter

 OEM  Model No.  Input  Output  Rated Power  Weight Used On
 L3  301OR & 3010S  22VDC to
 110VAC at
60Hz (3010S also
produced 220VAC)  
 40VA  1.6kg  Airbus A300 &
  L3  3025 & 3026  115VAC at 
 115VAC at
60Hz (3026 also
produced 220VAC)
 40VA  740g   All Airbus
except A300 & A310    
 L3  4056 a "miniature"
frequency converter
 115VAC at 
 115VAC & 220 VAC 
at 60Hz
 10VA  83g  Used in bathrooms on all
Airbus except A300 & A310

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Erie International Airport
1607 Asbury Road
Erie, PA 16505 USA 

Toll Free: 1-800-395-8934
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