90.93 Standard confirmed Mar 17, 2023
ISO
ISO/TC 20/SC 1 Aerospace electrical requirements
International Standard
49.060 Aerospace electric equipment and systems
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.
PUBLISHED
ISO 1466:1973
90.93
Standard confirmed
Mar 17, 2023
ABANDON
ISO/WD 1466