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Measuring relays and protection equipment - Part 121: Functional requirements for distance protection (IEC 60255-121:2014); German version EN 60255-121:2014
Edition 2015-01

Measuring relays and protection equipment - Part 127: Functional requirements for over/under voltage protection (IEC 60255-127:2010); German version EN 60255-127:2014
Edition 2014-09

Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays (IEC 60255-149:2013); German version EN 60255-149:2013
Edition 2014-06

Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection (IEC 60255-151:2009); German version EN 60255-151:2009
Edition 2010-05

Standards [CURRENT]

DIN EN IEC 60255-181

Measuring relays and protection equipment - Part 181: Functional requirements for frequency protection (IEC 60255-181:2019); German version EN IEC 60255-181:2019
Edition 2020-02

Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers (IEC 60255-187-1:2021); German version EN IEC 60255-187-1:2021
Edition 2022-09

Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers (IEC 60255-187-1:2021/COR1:2023); German version EN IEC 60255-187-1:2021/AC:2023-04
Edition 2023-10

Standards [CURRENT]

DIN EN IEC 60263

Scales and sizes for plotting frequency characteristics and polar diagrams (IEC 60263:2020); German version EN IEC 60263:2020
Edition 2021-10

Standards [CURRENT]

DIN EN 60264-1

Packaging of winding wires - Part 1: Containers for round winding wires (IEC 60264-1:1968 + A1:2009); German version EN 60264-1:1994 + A1:2009
Edition 2010-02

Standards [CURRENT]

DIN EN 60264-2-1

Packaging of winding wires - Part 2: Cylindrical barrelled delivery spools - Basic dimensions (IEC 60264-2-1:1989 + A1:2003); German version EN 60264-2-1:1994 + A1:2003
Edition 2004-04

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