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Samwha : Protección : EOCR
   
   
 

 

 

EOCR-3MZ

 
EOCR-FMZ
 
  Compact Design
  3MZ:Panel Mounting Type
  FMZ:Panel Flush Mounting Type
  MCU( Microprocessor Control Unit )&ASIC Based
  Three Integral Current Transformers
  Over current/Under current/Phase Loss/Phase Reversal/Phase Unbalace/Locked Rotor/Ground Fault
  Digital Ammeter
  Troubleshooting/Trip Cause Memory, Display
  Adjustable Operating Features by Pulse Rotary switch
  Wide Current Adjustment Range
  Selectable Time-Current Characteristics(Inverse/Definite)
  Manual Instantaneous/Electrical Remote Reset
  Precise Ground Fault protection
  Ambient Insensitive
  Selectable Fail-safe and Non-fail-safe Operation Modes
 
Protective Item

Trip Time

Over-current

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

Undercurrent
0.5~30sec(DEF)
Phase loss
within 3sec
Phase Unbalance
0.1sec
Phase Reversal
8sec
Locked Rotor
Lock
0.5sec after dt
stall
1~10sec
Ground Fault
0.1~10sec
 

Model

3MZ/FMZ

Current Setting Range
Over-Current(oc)
0.1~800A(Over 60A with External CTs)
Under-Current(uc)
0.5~under OC setting
Ground Fault Current(Ec)
A:0.03~2.5A/B:0.5~10A

Time Setting

Starting Delay Time(dt)
OFF~200sec
Over-Current Trip (ot)
DEF:0.2~30sec/INV:1~30
Under-Current Trip (ut)
0.5~30sec(DEF)
Ground Fault Trip Delay(Et)
0.1~10sec

Conrol Power

220
85~250VAC/DC, 50/60Hz
Output Relay
O.L
1-SPST,3A/250VAC, Resistive
G.R
1-SPST,3A/250VAC, Resistive
Environment
Temperature
Store
-30 ~80 ℃
Operation
-30 ~60 ℃
Humidity
30~85RH, Non-condensation
Display
7-Segment LEDs
3 phase current, 3 Trip cause, Run time
Bar-Graph
% of existing Current vs OC setting current

Mounting

35mm DIN-Rail
 

EOCR-3MZ

EOCR-FMZ

   
 
 

:: EOCR de México :: Toluca Estado de México
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