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    IEC 61810-1:2015+AMD1:2019

    Electromechanical elementary relays – Part 1: General and safety requirements

    International Electrotechnical Committee

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    IEC 61810-10:2019

    Electromechanical elementary relays - Part 10: Additional functional aspects and safety requirements for high-capacity relays

    International Electrotechnical Committee

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    IEC 60255-181:2019

    Measuring relays and protection equipment - Part 181: Functional requirements for frequency protection

    International Electrotechnical Committee

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    IEC/IEEE 60255-118-1:2018

    Measuring relays and protection equipment – Part 118-1: Synchrophasor for power systems – Measurements

    International Electrotechnical Committee

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    IEC 62246-1-1 : 2.0

    REED SWITCHES - PART 1-1: GENERIC SPECIFICATION - BLANK DETAIL SPECIFICATION

    International Electrotechnical Committee

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    IEC 61810-2-1 : 2.0

    ELECTROMECHANICAL ELEMENTARY RELAYS - PART 2-1: RELIABILITY - PROCEDURE FOR THE VERIFICATION OF B[10] VALUES

    International Electrotechnical Committee

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    IEC 61810-2 : 3.0

    ELECTROMECHANICAL ELEMENTARY RELAYS - PART 2: RELIABILITY

    International Electrotechnical Committee

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    IEC 61810-3 : 1ED 2015

    ELECTROMECHANICAL ELEMENTARY RELAYS - PART 3: RELAYS WITH FORCIBLY GUIDED (MECHANICALLY LINKED) CONTACTS

    International Electrotechnical Committee

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    IEC 60255-121 : 1ED 2014

    MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 121: FUNCTIONAL REQUIREMENTS FOR DISTANCE PROTECTION

    International Electrotechnical Committee

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    IEC 60255-27 : 2.0

    MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 27: PRODUCT SAFETY REQUIREMENTS

    International Electrotechnical Committee

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