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  • BS 142-2.3(1984) : LATEST

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR THE PRINCIPAL FAMILIES OF PROTECTION RELAYS - SPECIFICATION FOR THERMAL ELECTRICAL RELAYS

    Available format(s): 

    Superseded date:  30-05-1991

    Language(s): 

    Published date:  23-11-2012

    Publisher:  British Standards Institution

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    Abstract - (Show below) - (Hide below)

    Sets out the performance conditions for dependent specific time measuring relays which guard equipment against electrical thermal damage by recording the flow of current in the relevant equipment. Also gives the parameters whose values have to be stated by the relevant manufacturers. Does not cover devices which are in compliance with BS 4941 and BS 5424.

    General Product Information - (Show below) - (Hide below)

    Committee GEL/5
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 142-1.4(1983) : 1983 ELECTRICAL PROTECTION RELAYS - INFORMATION AND REQUIREMENTS FOR ALL PROTECTION RELAYS - SPECIFICATION FOR THE HIGH-FREQUENCY DISTURBANCE TEST FOR STATIC RELAYS
    BS 142-4.1(1984) : 1984 ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR MULTI-INPUT ENERGIZING QUANTITY RELAYS - SPECIFICATION FOR BIASED (PERCENTAGE) DIFFERENTIAL RELAYS
    BS 142-3.2(1990) : 1990 ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR SINGLE INPUT ENERGIZING QUANTITY RELAYS - SPECIFICATION FOR SINGLE INPUT ENERGIZING QUANTITY MEASURING RELAYS WITH DEPENDENT SPECIFIED TIME
    BS 142-4.2(1984) : 1984 ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR MULTI-INPUT ENERGIZING QUANTITY RELAYS - SPECIFICATION FOR DIRECTIONAL RELAYS AND POWER RELAYS

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 142-2.2(1982) : LATEST ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR THE PRINCIPAL FAMILIES OF PROTECTION RELAYS - SPECIFICATION FOR GENERAL REQUIREMENTS FOR MEASURING RELAYS USED FOR PROTECTION
    BS 5992-3:1980 Electrical relays Specification for the insulation testing of electrical relays
    BS 142-1.2(1982) : 1982 ELECTRICAL PROTECTION RELAYS - INFORMATION AND REQUIREMENTS FOR ALL PROTECTION RELAYS - SPECIFICATION FOR CONTACT PERFORMANCE
    BS 142-1.1(1982) : 1982 ELECTRICAL PROTECTION RELAYS - INFORMATION AND REQUIREMENTS FOR ALL PROTECTION RELAYS - GLOSSARY OF PROTECTION RELAY TERMS
    BS 5992-1:1980 Electrical relays Specification for contact performance of electrical relays
    IEC 60255-8:1990 Electrical relays - Part 8: Thermal electrical relays
    BS 142-0:1982 Electrical protection relays. General introduction and list of Parts
    BS 5424-1:1977 Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Contactors
    BS 142-1.3(1982) : 1982 ELECTRICAL PROTECTION RELAYS - INFORMATION AND REQUIREMENTS FOR ALL PROTECTION RELAYS - SPECIFICATION FOR INSULATION TESTING
    BS 142-1.4(1983) : 1983 ELECTRICAL PROTECTION RELAYS - INFORMATION AND REQUIREMENTS FOR ALL PROTECTION RELAYS - SPECIFICATION FOR THE HIGH-FREQUENCY DISTURBANCE TEST FOR STATIC RELAYS
    BS 142-3.2(1983) : LATEST ELECTRICAL PROTECTION RELAYS - SPECIFICATION FOR SINGLE INPUT ENERGIZING QUANTITY MEASURING RELAYS WITH DEPENDENT SPECIFIED TIME
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