EOCR-3DS

EOCR-FDS
¡á Compact Design
¡á MCU( Microprocessor Control Unit ) Based
¡á ASIC(Application Specific Integrated Circuit)Inside
¡á Three Integral Current Transformers
¡á Overcurrent/Phase Loss/Phase Reversal/Phase Unbalace/Locked Rotor/Short Circuit
¡á Digital Ammeter
¡á Troubleshooting/Trip Cause Memory, Display
¡á Adjustable Operating Features by DIP switch Setting
¡á Wide Current Adjustment Range
¡á Selectable Time-Current Characteristics(Inverse/Definite)
¡á Manual(Instantaneous)/Electrical(Remote)Reset
¡á Test Function
¡á Ambient Insensitive
¡á Selectable Fail-safe and Non-fail-safe Operation Modes
   
 
 
Protective Item

Trip Time

Over-current

DEF : 0.3 ~ 25sec INV : 1~30

Phase Loss
within 4sec
Phase Unbalance
8sec
Phase Reversal
0.1sec
Locked Rotor
DEF : within 0.5sec after dt
INV : If D-Time=0sec
      Operating according to Cold-curve
      If D-Time=Over 0sec
      Operating according to Hot-curve
      after D-time set
Short Circuit
0.05sec
   
 
 

Model

3DS

FDS
over Current Setting
Type
Setting Range
05
0.5 - 6/10A
20
5 - 20A
100
10 - 120A
Wth External CTs
150
15 - 180A
200
20 - 240A
300
30 - 360A
400
40 - 480A
500
50 - 600A
600
60 - 720A
Short Circuit -current Setting
05
 300 - 1800%of Is
20
 300 - 1800%of Is

Start Delay Time Setting(D-TIME)

SW3-INV/On

0~200sec

SW3-DEF/Off
1~200sec

Trip Time Setting (O-TIME)

SW3-INV/On
1-30
SW3-DEF/Off
0.3-25sec

Conrol Voltage

85-250VAC/DC, 24VAC/DC
Output Relay
O.L
2-SPST, 3A/250VAC
S.C
1-SPST, 3A/250VAC
Time Characteristic
SW3-INV/On
Inverse
SW3-DEF/Off
Definite
Trobleshooting/Trip Indication
LED Display
Current Sensing
3-CT

Mounting

35mm DIN-Rail/Panel
   
 
 

EOCR-3DS

EOCR-FDS