Measuring relays and protection equipment - Functional requirements for over/under voltage protection Ingestion-build-258901 This Publicly Available Specification (PAS)

This Publicly Available Specification (PAS) specifies the requirements for the provision of ICT facilities and services in a workplace

BS EN 12923-1 specifies guidelines to be employed when undertaking corrosion tests on advanced technical ceramics

especially pressure-sensitive mats

Group TE: includes transport protocol class 2

Measuring relays and protection equipment - Functional requirements for over/under voltage protection Ingestion-build-258901 This Publicly Available Specification (PAS)1 Scope This part of IEC 60255 specifies minimum requirements for over under voltage relays. The standard includes specification of the protection function, measurement characteristics and time delay characteristics. This standard defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions. The test methodologies for verifying performance characteristics and accuracy