EOCR-3DE,3EZ,PMZ , EOCR Electronic Over Current Relay อุปกรณ์ป้องกันมอเตอร์ไฟฟ้า EOCR,EVR,EOCR_SSD,EOCR-3DE,EOCR-FDE,EVR-PD,EVR-FD i3DM i3MZ i3M420 i3MS iFDM iFM420 iFMZ iFMS
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Electronic Over Current Relay
EOCR-3CT

EOCR-3DE MANUAL 2012


 
Protection

Protective Item
Trip Time
Over-current
DEF:0.2~30 sec, INV:1~30 class
Under-current
0.5~30 sec
Phase Loss
0.1~0.3 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)


Specification

Current Range
Over-Current (oc)
0.5~960A(Over 60A with External CTs)
Under-Current (uc)
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±15%, 220VAC±15%, 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
Troubleshooting / Trip Indication
LED Display(3 Trip causes memory)
Current Sensing
3-CT
Mounting
35mm DIN-Rail/Panel

EOCR-3DE


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