ISO 1509:1973 Preview
General purpose push-pull three-pole circuit-breakers for aircraft -- Performance requirements
This standard was last reviewed and confirmed in 2011. Therefore this version remains current.
Gives the requirements for circuit breakers having an inverse time/current characteristic, of normal ratings up to and including 35 A, for use in nominal 115/200 V three-phase 4OO Hz a. c. circuits. Includes definitions, design requirements, requirements for dimensions, construction, voltage and current ratings, environment, time/current characteristics, making and breaking capacity, endurance, tests, type tests, production tests, quality tests, declarations and marking.
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