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BS EN 60255-149:2013
Measuring relays and protection equipment. Functional requirements for thermal electrical relays
50 стр.
Действует
Печатная копияПечатное издание
338.69 £ (включая НДС 20%)
Разработчик:
Зарубежные/BSI
ICS:
29.120.70 Relays / Реле
Ключевые слова:
Relays, Switches, Switchgear, Measuring relays, Protective relays, Electrical protection equipment, Thermal protection, Current measurement, Electric current, Testing conditions, Standard tolerances, Working range, Accuracy, Time, Operating time, Performance testing, Electrical testing, Error detection, Thermal testing, Circuits