29.120.70: Relays

Search Results

  1. MOST RECENT

    IEC 60255-12 Ed. 1.0 b:1980▹

    Electrical relays - Part 12: Directional relays and power relays with two input energizing quantities

    standard by International Electrotechnical Commission, 01/01/1980.

    Languages: English, French

    • 👥MULTI-USER

    Priced From:

    Track It

  2. MOST RECENT

    IEC 60255-13 Ed. 1.0 b:1980▹

    Electrical relays - Part 13: Biased (percentage) differential relays

    standard by International Electrotechnical Commission, 01/01/1980.

    Languages: English, French

    • 👥MULTI-USER

    Priced From:

    Track It

  3. MOST RECENT

    IEC 60255-149 Ed. 1.0 b:2013▹

    Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays

    standard by International Electrotechnical Commission, 07/30/2013.

    Languages: English, French

    • 👥MULTI-USER

    Priced From:

    Track It

  4. MOST RECENT

    IEC 60255-151 Ed. 1.0 b:2009▹

    Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection

    standard by International Electrotechnical Commission, 08/28/2009.

    Languages: English, French

    • 👥MULTI-USER

    Priced From:

    Track It

  5. MOST RECENT

    IEC 60255-16 Ed. 1.0 b:1982▹ [ Withdrawn ]

    Electrical relays - Part 16: Impedance measuring relays

    standard by International Electrotechnical Commission, 01/01/1982.

    Languages: English, French

    • 👥MULTI-USER

    Priced From:

    Track It

  6. MOST RECENT

    IEC 60255-181 Ed. 1.0 b:2019▹

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

    standard by International Electrotechnical Commission, 02/27/2019.

    Languages: English, French

    • 👥MULTI-USER

    Priced From:

    Track It

  7. MOST RECENT

    IEC 60255-187-1 Ed. 1.0 b:2021▹

    Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers

    standard by International Electrotechnical Commission, 07/01/2021.

    Languages: English, French

    • 👥MULTI-USER

    Priced From:

    Track It

  8. MOST RECENT

    IEC 60255-187-1 Ed. 1.0 b:2021▹

    Measuring relays and protection equipment – Part 187-1: Functional requirements for differential protection – Restrained and unrestrained differential protection of motors, generators and transformers

    standard by International Electrotechnical Commission, 07/01/2021.

    Languages: English, French

    Amendments, rulings, and supplements: IEC 60255-187-1 Ed. 1.0 b Cor.1:2023

    • 👥MULTI-USER

    Priced From:

    Track It

  9. MOST RECENT

    IEC 60255-187-1 Ed. 1.0 b Cor.1:2023▹

    Corrigendum 1 to Measuring relays and protection equipment – Part 187-1: Functional requirements for differential protection – Restrained and unrestrained differential protection of motors, generators and transformers

    Amendment by International Electrotechnical Commission, 04/01/2023.

    Languages: English, French

    Priced From:

    Track It

  10. HISTORICAL

    IEC 60255-1 Ed. 1.0 b:2009▹

    This document has been replaced. View the most recent version.

    Measuring relays and protection equipment - Part 1: Common requirements

    standard by International Electrotechnical Commission, 08/18/2009.

    Languages: English, French

    Historical Editions: IEC 60255-1 Ed. 2.0 b:2022

    • 👥MULTI-USER

    Priced From:

    Track It