IS 9521 : 1980 Specification for Push-button Type Switches for Automotive Vehicles

UDC 621.316.542.3                                            TED11

Reaffirmed 2021

1 Scope

1.1 This standard specifies the basic mechanical and electrical requirements and methods of tests for push-button type switches for use in automotive vehicles. These switches are normally used for starters, heaters, etc.

2 References

IS 2 : 1960 Rules for rounding off numerical values

IS 2106 : Part XI : 1965 Environmental tests for electronic equipment: Part XI Water spray test

IS 2106 : Part IX : 1964 Environmental tests for electronic equipment: Part IX Drop test.

IS 4905 : 1968 Method for random sampling

IS 9000 : Part III : Sec 5 : 1977 Basic environmental testing procedures for electronic and electrical items: Part III Dry heat test, Section 5 Dry heat test for dissipating items gradual change of temperature