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                          10 functions to define the IEC 61439-1&2 standard


                          All the verifications proposed by standard IEC 61439 contribute to the achievement of 3 basic goals and 10 functions :
                          > The 5 Safety functions
                          > The 2 Continuity of service functions
                          > The 3 Compliance with end-user requirements functions

                          10 functions to define the new IEC standard 61439-1&2 : the 2 continuity of service functions 2 Continuity of Service functions

                           Maintenance and modification compatibility
                           Needs & design requirements Design verification Routine verification
                          Capability to preserve continuity of supply without impairing safety during Assembly maintenance or modification.Through basic and fault protection and optional removable parts.
                          • IP tests
                          • Mechanical operation tests (especially for removable parts)
                          • Effectiveness of mechanical actuating elements
                          • Check protection of persons against electric shocks
                           Electro-Magnetic Compatibility
                          Needs & design requirements Design verification Routine verification

                          Properly function and avoid generation of EMC disturbances by incorporating electronic devices complying with the relevant EMC standard, and their correct installation.

                          • EMC tests according to product standards or generic EMC standards


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