Gives the requirements for two classes of single-hole fixing switches for use in nominal 28 V d. c. and 115/200 V three-phase, 400 Hz a.c. systems. Class 1 switches are sealed and are suitable for higher altitude and temperature conditions than are Class 2 switches, which are sealed only at the lever entry. Furthermore, gives requirements for dimensions, operation, construction, voltage and current ratings, environment, tests, type tests, production tests, quality tests, declarations and marking.
État actuel: PubliéeDate de publication: 1973-09Stade: Norme internationale confirmée [90.93]
Edition: 1Nombre de pages: 8
Comité technique :ISO/TC 20/SC 1ICS :49.060
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