ISO-3456 › Aircraft - Lever-operated manual switches (Class 3) - Performance requirements
ISO-3456
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1ST EDITION
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CURRENT
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Specifies the values for single- and triple-hole mounting of these switches for use in nominal 28 V d. c. and 115/200 V three-phase, 400 Hz a. c. systems. They are environmentally sealed and suitable for higher altitude and temperature conditions than are Class 2 switches which are sealed only at the lever entry. They do not have the positive action features of the Class 1 and Class 2 switches specified in ISO 1466.
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49.060 (Aerospace electric equipment and systems Including Avionics)
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Document Number
ISO 3456:1975
Revision Level
1ST EDITION
Status
Current
Publication Date
Dec. 1, 1975
Committee Number
ISO TC 20/SC 1