Schneider Electric iFBZ, FBZ2, 3BZ2 Wiring Examples, Phase line Diagram, Single phase line Diagram

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

Wiring Examples

3 phase line Diagram

EOCR-i3BZ/iFBZ

OL : b, GR : a

Caution

1. Do not use any External CT

2. Earth fault detection by built-in ZCT

3 phase line Diagram

EOCR-i3BZ/iFBZ

OL : 1a 1b, GR : 1a

Caution

1. Do not use any External CT

2. Earth fault detection by built-in ZCT

3 phase line Diagram

EOCR-i3BZ/iFBZ

OL : 1a 1b, GR : 1a

Caution

1. Do not use any External CT

2. Earth fault detection by built-in ZCT

Single phase line Diagram

EOCR-i3BZ/iFBZ

OL : b, GR : a

Caution

1. Do not use any External CT

2. Earth fault detection by built-in ZCT

Single line Diagram
	FROM : BUSDUCT		EOCR-iFBZ
MCCF-A1-RF
MCCF-B1-RF
		DM	DM	DM	DM	DM
P.T×3		EOCR	EOCR	EOCR	EOCR	EOCR
380/110V F
		-iFBZ	-iFBZ	-iFBZ	-iFBZ	-iFBZ
DM	MAIN	MODBUS 485	MODBUS 485	MODBUS 485	MODBUS 485	MODBUS 485
	MCCB
	C.T	Y-△	Y-△	Y-△

Single line Diagram
	FROM : BUSDUCT		EOCR-FBZ2
MCCF-A1-RF
MCCF-B1-RF
		DM	DM	DM	DM	DM
P.T×3		EOCR	EOCR	EOCR	EOCR	EOCR
380/110V F
		-FBZ2	-FBZ2	-FBZ2	-FBZ2	-FBZ2
DM	MAIN
	MCCB
	C.T	Y-△	Y-△		Y-△

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