Schneider Electric iFBZ, FBZ2, EOCR-i3BZ, 3BZ2 manual Specifications

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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

Specifications

 

 

Model

 

i3BZ/iFBZ, 3BZ2/FBZ2

Over Current

 

 

Rated Setting Range(A)

Definite TCC : 0.5~80A

 

 

 

 

 

 

 

 

 

 

 

Inverse & th TCC : 0.5~32A

 

 

 

 

 

 

 

 

 

 

 

*** CAUTION : Do not use any external CT

Under Current

 

 

Rated Setting Range(A)

0.5A ~ less than oc setting

 

 

 

 

 

Operating Time Characteristics

 

Definite(Def) / Inverse(Inv) / Thermal Inverse(th) *1)

Time Setting

Definite

D-Time

0~200s

 

 

 

 

O-Time

0.2~30s

 

 

 

 

 

 

 

Inv & th (cLS)

 

1~30 Class

 

 

 

 

 

 

 

Auto-Reset

 

0.5s~20min.

 

 

Reset Mode

 

Manual Reset (H-r) / Electric Reset (E-r)

 

 

 

 

Control

Power Voltage

 

100~240VAC/DC(-15%, +10%, Free Voltage), 24VAC/DC(-15%, +10%) .

 

 

 

 

 

 

 

Frequency

 

50/60Hz

 

 

Power Consumption

Lower than 7VA

 

 

 

 

Output

Capacity

 

3A/250VAC Resistive.

 

 

 

 

 

 

 

Composition

 

NO/NC common output : OL , NO output : GR

Display

7 Segment LED

 

3 phase Amps, Cause of trip, Setting parameters indication.

 

 

 

 

 

 

 

Bar-graph

 

Load ratio (65 ~ 100%)

 

 

 

 

 

Communication

 

 

 

Modbus-RTU/ RS-485 *2)

Mounting

 

 

 

Panel Mounting (i3BZ/3BZ2)

 

 

 

 

 

 

 

 

 

 

 

Flush Mounting (iFBZ/FBZ2)

 

 

 

 

 

Insulation

 

 

Between Case & Circuit

Over DC500V 10MΪ

Dielectric Strength

 

 

Between Case & Circuit

2KV, 50/60Hz, I Min.

 

 

 

 

 

 

 

 

 

 

Between Contacts

1KV, 50/60Hz, I Min.

 

 

 

 

 

 

 

 

 

 

Between Circuit

2KV, 50/60Hz, 1 Min

Electrostatic Discharge(ESD)

: IEC61000-4-2

Level 3 : Air Discharge : ±8KV, Contact Discharge : ±6KV

Radiated Disturbance

: IEC61000-4-3

Level 3 : 10V/m, 80 ~ 1000MHz

 

 

 

Conducted Disturbance

: IEC61000-4-6

Level 3 : 10V, 0.15~80MHz

EFT/Burst

 

 

: IEC61000-4-4

Level 3 : ±2KV, 1 Min

 

 

 

 

 

Surge

 

 

: IEC61000-4-5

Level 3 : 1.2×50, ±4KV(0 , 90 , 180 , 270 )

 

 

 

 

 

Emission

 

 

: CISPR11

Class A (Conducted and Radiated)

 

 

 

 

Environment

Temperature

Store

-40~ +85

 

 

 

 

 

 

 

 

 

 

Operation

-20~ +60

 

 

 

 

 

 

 

Humidity

 

30~85% RH (Non-condensate)

 

 

 

 

 

Dimension

 

 

Window Type

70W×74.5H×83.8D

 

 

 

 

 

 

 

 

 

 

Bottom Hole Type

70W×56.3H×108.1D

 

 

 

 

 

Weight

 

 

 

i3BZ : 295g, iFBZ : 280g

 

 

 

 

 

 

 

 

 

 

 

3BZ2 : 292g, FBZ2 : 276g

 

 

 

 

 

 

 

 

 

 

 

PDM : 125g, 3M cable : 120g

 

 

 

 

*1) : 3BZ2/FBZ2 has no thermal inverse protection

 

*2) : 3BZ2/FBZ2 has no MODBUS Communication

 

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Contents Page Page Bottom hole & terminal type Applications Public institutions General Features EOCR-i3BZ/iFBZ/3BZ2/FBZ2Operating Condition & Setting Range Operation Time Protection functionsAuxillary functions Communication function Applicable to i3BZ/iFBZSpecifications Time-current characteristic curve Over current and time setting tips Over current Setting tips in definite TCC modeAlert Operation Pattern #3 Fail-safe operationBar graph Front faceCurrent display Button Description Phase digital ammeter functionButtons and Setting Sequence Setting sequence and menu Parameter DescriptionCommunication *2 Menu Parameter Description DefaultAlert *1 Trip cause indication and fault records Control terminalsWiring Examples Phase line DiagramSingle phase line Diagram Single line DiagramDimensions Order Code Modbus network setting RS485 bus connectionStandard connection Bus connection through a SCA type junction box Head Office Iksan Plant