Gesellschaft für elektrische Hochleistungs­prüfungen Member of Short-Circuit Testing Liaison (STL)


Conditions for the certification of a product

The following proving documentation must be available without reservation:

  • Documentation which prove conformity with the requirements for design and construction
  • Type test certificates according to the requirements in recognised standards
  • Documentation which prove conformity of routine testing with the requirements in recognised standards
  • Quality Management System certified according to ISO 9001.


All proving documentation and certificates must refer to the same clearly defined product and the identity of the product must be recognizable in each documentation.