Elektronická měřicí zařízení

Komise : IEC/TC 85 (Measuring equipment for electrical and electromagnetic quantities)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 19.06.2019
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This part of IEC 61557 specifies the requirements for testing equipment applied to the testing of the effectiveness of residual current monitors (RCMs), which are already installed in distribution systems.

This test equipment can be used in any kind of network like a TN, TT or IT system. The test equipment may also be used for testing directionally discriminating RCMs in IT systems.