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DIN EN IEC 60255-21
Measuring relays and protection equipment - Part 21: Vibration, shock, bump and seismic tests requirements
DIN EN IEC 60255-26
Measuring relays and protection equipment - Part 26: Electromagnetic compatibility requirements (IEC 60255-26:2023); German version EN IEC 60255-26:2025
IEC 95/81/CD
Revision of IEC 60255-3 (1989): Electrical relays - Part 3: Single input energizing quantity measuring relays with dependant or independant time
IEC 1/1685/CD
IEV Chapter 447: Measuring relays (Revision of IEV Chapter 446: Electrical relays)
DIN EN IEC 60255-27/A1
Measuring relays and protection equipment - Part 27: Product safety requirements
DIN EN IEC 60255-1/A1
Measuring relays and protection equipment - Part 1: Common requirements
IEC/TC 95
Measuring relays and protection equipment
DKE/K 434
Messrelais und Schutzeinrichtungen
DIN EN IEC 60255-167
Measuring relays and protection equipment - Part 167: Functional requirements for directional overcurrent protection
DIN EN IEC 60255-132
Measuring relays and protection equipment - Part 132: Functional requirements for directional power protection