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Samwha : Protección : EOCR
   
   
 

 

 

EOCR-PMZ

EOCR-PFZ


  MCU( Microprocessor Control Unit )Based
  Convenient installation
-PMZ:Panel Mounting Type
-PFZ:Panel Flush Mounting Type
  Full mode function:easy to set value
  Three Integral Current Transformers
  Full cover protection Function
  Wide Current Range protection from 0.1A to 3600A by just 1 model
  Built-in digital ammeter
  Total running time display
  Current display like L1 -> L2 -> L3 -> GF...
  Bar-Graph monitoring on impending overload trip
  Selectable time-current characteristics[Inverse/Inverse based on thermal Memory (Thermal Inverse) /Definite]
  4~20mA current loop communcations
  Test Function
  Operates in wide ambient temperature range
  Selectable Fail-safe Operation/ No volt Release(FS:ON)
 
Protective Item

Trip Time

Over-current

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

Under-current
0.5~30sec
Phase Reversal
0.1~0.3sec
Phase Unbalance
within 8sec
Short Circult
0.05~0.1sec
Ground Fault
DEF:0.1~10sec, INV:1~10 class
Locked Rotor
0.5sec after d-time
stall
0.05~10sec
 
Current Setting Range
Over-Current(oc)
0.1~3600A(Over 60A with External CTs)
Under-Current(uc)
OFF/0.5~less than "OC" setting
Ground Fault Current(Ec)
OFF
0.3~10A:definite
0.3~1A definite/inverse (selectable)

Time Setting

Starting Delay Time(dt)
OFF~200sec
Over-Current Trip Time(ot)
Definite Time
0.2~30sec
Inverse Time
1~30class(30curves)
Under-Current Trip Time(ut)
0.5~30sec, definite time characteristics,if "uc" mode is OFF, then OFF is displayed automatically in "ut" mode
Ground Fault Trip Time(Et)
Definite/Inverse:0.05,0.1~1~10sec
Ground Failt Starting Time(Edt)
OFF/1~10sec
Tolerance
Current
±5%
Time
±5%

Conrol Power

220
DC/AC85~250V, 50/60Hz
Output Relay
OL(SH)
2-SPST
AC250V/3A, Resistive
GR
1-SPST
AC250V/3A, Resistive
Environment
Temperature
Store
-30 ~80 ℃
Operation
-20 ~60 ℃
Humidity
30~85% RH, Non-Condensing
Display
7-Segment LEDs
3phase current,Trip cause, Operating hour
Bar-Graph
Load factor for current setting(50~100%)
Insulation
Between casing and circuit:over 10MΩ, DC500V
Dielectric Strength
Between casing and circuit
Between casing and circuit AC2000V,60Hz, 1min
Between open contacts
Between open contacts AC1000V, 60Hz, 1min
Between circuit
Between circuit AC2000V,60Hz, 1min
Electrostatic Discharge
IEC61000-4-2
Lever3:Air Discharge:±8kV, Contact Discharge:±6kV
Radiated Electromagnetic Field Disturbance
IEC61000-4-3
Lever3:10V/m,150MHz&450MHz Portable transceiver
EFT/Burst
IEC61000-4-4
Lever3:±2kV, 1min
Surge
IEC61000-4-5
Lever3:1 x 50 ,±4kV(0˚,90˚,180˚,270˚)
1MHz Burst disturbance
IEC61000-4-12
Lever3:±2.5kV,1MHz

Conducted Emission

EN55011
Class B
 

EOCR-PMZ

EOCR-PFZ

   
 
 

:: EOCR de México :: Toluca Estado de México
TEL 2 80 35 71 :: Correo electrónico: direccion@eocr.com.mx ; ventas@eocr.com.mx
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