This standard applies to residual current devices (RCDs) controlled by differential (residual) current (hereinafter referred to as RCDs).
GOST R 50807-1995 history
2012GOST R IEC 60755-2012 General requirements for differential (residual) current operated protective devices
1995GOST R 50807-1995 Residual current operated protective devices. General requirements and test methods
GOST R 50807-1995 Residual current operated protective devices. General requirements and test methods was changed to GOST R IEC 60755-2012 General requirements for differential (residual) current operated protective devices.