SN EN 60255-21-2 : 1995

1 Scope
2 Object
3 Definitions
3.1 Shock test
3.2 Shock response test
3.3 Shock withstand test
3.4 Bump test
4 Requirements for shock and bump tests
4.1 Test apparatus and mounting
4.2 Shock test severity classes
4.3 Bump test severity classes
4.4 Recommendations for the selection of shock and
     bump test severity class
4.5 Test procedure for shock response test
4.6 Test procedure for shock withstand test and bump
     test
5 Criteria for acceptance
5.1 Acceptance criteria for shock response test
5.2 Acceptance criteria for shock withstand test and
     for bump test
Figures
Appendix A Selection criteria for shock and bump test
            parameters a) and output circuit response
            during shock response test b)

Describes vibration, shock, bump and seismic requirements applicable to electromechanical and static measuring relays and protection equipment with or without output contacts. Gives shock, response, withstand and bump tests.