IEC 62955:2018

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Classification RDC-DD (RDC-MD, RDC-PD)
5 Characteristics of RDC-DDs
6 Marking and other product information
7 Standard conditions for operation in service
  and for installation
8 Requirements for construction and operation
9 Tests
Annex A (normative) - Test sequence and number of
        samples to be submitted for testing purposes
Annex B (normative) - Determination of clearances and
        creepage distances
Annex C (normative) - Arrangement for the detection of
        the emission of ionized gases during short-circuit tests
Annex D (normative) - Routine tests
Annex E (informative) - Methods for determination of
        short-circuit power-factor
Annex F (informative) - Examples of terminal designs
Annex G (informative) - Correspondence between ISO
        and AWG copper conductors
Annex H (informative) - SCPDs for short-circuit tests
Annex I (normative) - Particular requirements for
        RDC-DDs with screwless type terminals for
        external copper conductors
Annex J (normative) - Particular requirements for
        RDC-DDs with flat quick-connect terminations
Annex K (normative) - Specific requirements for
        RDC-DDs with screw-type terminals for
        external untreated aluminium conductors
        and with aluminium screw-type terminals for
        use with copper or with aluminium conductors
Annex L (informative) - Examples of RDC-DD according
        to classification 4.1 based on construction
Annex M (normative) - Additional requirements and
        tests for RDC-MDs according to classification
        4.1.1.2 consisting of an RDC-M-Unit designed
        to be assembled on site together to a separate
        switching protective device
Annex N (normative) - Additional requirements and
        tests for RDC-MDs according to classification
        4.1.1.3 consisting of an RDC-MD module
        electrically coupled to a separate switching
        device or a protective device
Annex O (normative) - RDC-PDs with integrated DC,
        pulsating DC (type A) and 6 mA DC detection,
        evaluation and mechanical switching in one unit
        according to classification 4.1.2
Bibliography

IEC 62955:2018 applies to residual direct current detecting devices (RDC-DD) for permanently connected AC electric vehicle charging stations (mode 3 charging of electric vehicles, according to IEC 61851-1 and IEC 60364-7-722), hereafter referred to as RDC-MD (residual direct current monitoring device) or RDC-PD (residual direct current protective device), for rated voltages not exceeding 440 V AC with rated frequencies of 50 Hz, 60 Hz or 50/60 Hz and rated currents not exceeding 125 A.