EOCR-3DE

EOCR-FDE

¡á Compact Design
¡á MCU( Microprocessor Control Unit ) Based
¡á Three Integral Current Transformers
¡á Multiple Protection Functions
¡á Digital Ammeter/3 Phase Current Display
¡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 Inverter (20~400Hz)
¡á EOCR-3DE : Panel Mounting type
¡á EOCR-FDE : Flush Mounting type(Display)
 
 
Protective Item

Trip Time

Over-current

DEF : 0.2~30sec       INV : 1~30

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

Current Range

Over Current

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

Under Current
0.5~59A/OFF(Over 60A with External CTs)
Phase Unbalance
5~50%

  Alert Setting

50~100% of Oc setting

Time Setting Range

Start Delay Time (D-TIME)

1~200sec (Definitive)

Trip Delay Time Setting (O-TIME)

INV
1-30
DEF
0.2-30 sec

Control Voltage

110VAC¡¾15%, 220VAC¡¾15%, 24VAC/DC
Output Relay
OC/UC
2-SPST, 3A/250VAC Resistive
AL/UC
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-CT

Mounting

35mm DIN-Rail/Panel
   
 
 

EOCR-3DE

EOCR-FDE