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Normas BSI – AENOR
BS 142-4-4.1:1984

BS 142-4-4.1:1984

Electrical protection relays. Requirements for multi-input energizing quantity relays. Specification for biased (percentage) differential relays

Fecha Anulación:
1997-08-15 /Withdrawn
Comité:
PEL/95
Keywords:
Electrical testing, Current measurement, Protective relays, Differential relays, Quantity, Circuits, Tolerances (measurement), Relays, Measuring relays, Test equipment, Electrical protection equipment

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