IEC 60439-1: Low-voltage switchgear and controlgear assemblies – Part 1: Type-tested and partially type-tested assemblies
For more detailed information, look for the IEC 60439-1:1999 standard on iTeh Standards . iec 604391 pdf install
: Verify that the "Type Test" certificates match the physical unit. Ensure no components were loosened during transit. Cable Entry and Sealing : Use appropriate glands to maintain the declared IP (Ingress Protection) iec 604391 pdf install
rating. Improperly cut holes for cables can void the certification. Connection Torque iec 604391 pdf install