EOCR-3EZ

EOCR-FEZ
¡á Compact Design
¡á MCU( Microprocessor Control Unit ) Based
¡á Three Integral Current Transformers
¡á Overcurrent/Phase Loss/Phase Reversal/Phase Unbalace/Locked Rotor/Ground Fault
¡á Digital Ammeter
¡á Troubleshooting/Trip Cause Memory, Display
¡á Adjustable Operating Features by Mode switch
¡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
¡á EOCR-3EZ : Panel Mounting type
¡á EOCR-FEZ : Flush Mounting type(Display)
 
 
Protective Item

Trip Time

Over-current

DEF : 0.2 ~ 30 sec, INV : 1~30

Undercurrent
0.5~30 sec
Phase Loss
within 3 sec
Phase Unbalance
8sec
Phase Reversal
0.1~0.3 sec
Locked Rotor
Lock : within 0.5sec after dt(in DEF set)
Stall : 0.05~10sec(in DEF set)
Ground Fault
0.05~10 sec
   
 
 

Current Range

Over Current

0.5~960A(Over 60A with External CTs)

Under Current
0.5~59A/OFF(Over 60A with External CTs)
Ground Fault
0.02~3A

Start Delay Time (D-TIME)

1~200 sec

Time Setting Range(O-TIME)

Trip Time(O-TIME)
INV
1-30
DEF
0.2-30 sec

Conrol Voltage

110VAC¡¾15%,220VAC¡¾15%,
85~250VAC/DC(Terminal Type) 24VAC/DC
Output Relay
OL/UL
1-SPST, 3A/250VAC Resistive
GR
1-SPST,3A/250VAC Resistive
Time Characteristic
In/"tc"mode
Inverse
dE/"tc"mode
Definite
Trobleshooting/Trip Indication
LED Display(3 Trip Causes memory)
Current Sensing
3-CTs

Mounting

35mm DIN-Rail/Panel
   
 
 
EOCR-3EZ

 

EOCR-FEZ