MT 4 - TC 22/MT 4

applies to the use of electronic equipment (EE) in power installations where a uniform technical level with respect to safety and reliability is necessary. also applies to EE which are not covered by a specific product standard. it defines the minimum requirements for the design and manufacture of EE connected to low-voltage (not exceeding 1 000 V a.c. or 1 500 V d.c.) mains supplies, for protection against electric shock, for testing and its integration into systems for power installations.