Schneider Electric FBZ2, iFBZ, EOCR-i3BZ, 3BZ2 manual Time-current characteristic curve

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EOCR-i3BZ/iFBZ/3BZ2/FBZ2

EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT,

EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT

Time-current characteristic curve

1. Inverse characteristic (0.5~32A)

2. Definite characteristic

3. Inverse thermal characteristic (0.5~32A)

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Contents Page Page Bottom hole & terminal type Applications Public institutions EOCR-i3BZ/iFBZ/3BZ2/FBZ2 General FeaturesProtection functions Operating Condition & Setting Range Operation TimeAuxillary functions Communication function Applicable to i3BZ/iFBZSpecifications Time-current characteristic curve Over current Setting tips in definite TCC mode Over current and time setting tipsAlert Operation Pattern #3 Fail-safe operationFront face Current displayBar graph Phase digital ammeter function Buttons and Setting SequenceButton Description Parameter Description Setting sequence and menuMenu Parameter Description Default Alert *1Communication *2 Control terminals Trip cause indication and fault recordsPhase line Diagram Wiring ExamplesSingle phase line Diagram Single line DiagramDimensions Order Code RS485 bus connection Modbus network settingStandard connection Bus connection through a SCA type junction box Iksan Plant Head Office