EOCR-3DM Digital Over-Current Relay

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US $50 / Piece | 10 Piece/Pieces (Min. Order)
Supply Ability:
10000 Piece/Pieces per Month
Port:
NINGBO OR SHANGHAI
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Overview
Quick Details
Place of Origin:
China (Mainland)
Brand Name:
CNSN
Model Number:
EOCR-3DM
Theory:
Current Relay
Usage:
Protective
Size:
Miniature
Contact Load:
Low Power
under-current:
0.5 ~ under OC setting
Starting Delay Time(dt):
OFF ~ 200sec
Control Power:
85 ~ 250VAC/DC 50/60Hz
Packaging & Delivery
Packaging Details
Standard
Delivery Time
10 Working days

Specifications

Over-current, Under-current, Phase Loss,
Phase reversal, Phase Unbalance, Locked rotor
Digital Over-Current Relay

EOCR-3DE Digital Overcurrent Relay

 

Product Description

EOCR-3DM
Digital Over-Current Relay

Over-current, Under-current, Phase Loss,
Phase reversal, Phase Unbalance, Locked rotor
Protection
Short current protection 3MS
Ground Fault Protection 3MZ
Including Current Transducer: 4~20mA output
Accumulation to Running time

 

Features

Compact Design
3DM: Panel Mounting Type
MCU(Microprocessor Control Unit) & ASIC Based
3 Integral Current Transformers
Multiple Protection Functions
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 Auto Reset
Test Function
Ambient Insensitive
Selectable Fail-safe and Non-fail-safe Operation Modes

 
Features

Specification 3DM3MS3MZ
Current  SettingOver-Current(oc)Refer  to,   Table  #1Refer  to,   Table  #1Refer  to,   Table  #1
Range
 Under-Current(uc)0.5  ~  under  OC  setting0.5  ~  under  OC  setting0.5  ~  under  OC  setting
 Ground  Fault  Current(Ec)--A  :   0.03  ~  2.5A  /  B  :   0.5  ~  10A
Time  SettingStarting  Delay  Time(dt)OFF  ~  200secOFF  ~  200secOFF  ~  200sec
 Over-Current  Trip  Delay(ot)DEF  :   0.2  ~  30sec  /  INV  :   1  ~  30DEF  :   0.2  ~  30sec  /  INV  :   1  ~  30DEF  :   0.2  ~  30sec  /  INV  :   1  ~  30
 Under-Current  Trip  Delay(ut)0.5  ~  30sec(DEF)0.5  ~  30sec(DEF)0.5  ~  30sec(DEF)
 Ground  Fault  Trip  Delay(Et)--0.1  ~  10sec
Control  Power22085  ~  250VAC/DC,   50/60Hz85  ~  250VAC/DC,   50/60Hz85  ~  250VAC/DC,   50/60Hz
Output  RelayOL2-SPST,   3A/250VAC,   Resistive2-SPST,   3A/250VAC,   Resistive2-SPST,   3A/250VAC,   Resistive
 AL(GR/SC)1-SPST(AL)1-SPST(AL)1-SPST(AL)
EnvironmentTemperatureStore-30  ~  80 degree centigrade-30  ~  80 degree centigrade-30  ~  80 degree centigrade
  Operation-20  ~  60 degree centigrade-20  ~  60 degree centigrade-20~  60  degree centigrade
 Humidity30  ~  85RH,   Without  condensation30  ~  85RH,   Without  condensation30  ~  85RH,   Without  condensation
Display7-Segment  LEDs   
 Bar-Graph   
Mounting 35mm  Din-rail35mm  Din-rail35mm  Din-rail

 

Table #1. Current Range
    TypeCurrent Setting    range  Number of Conductor thru CT windows  Position of DIP S/W4External CT ratio   Setting of CT Mode
Remark
  05  0.1 ~ 2.0A  5  05  NIL  5T
  05  0.25 ~ 5.0A  2  05  NIL  5T
  05  0.5 ~ 10A  1  05  NIL  05
  60  5 ~ 70A  1  60  NIL  60
  20  5 ~ 20A  1  20  NIL  20
  10  1.0 ~ 12A  1  05  10: 5  10
  15  1.5 ~ 18A  1  05  15: 5  15
  20  2.0 ~ 24A  1  05  20: 5  20
  25  2.5 ~ 30A  1  05  25: 5  25
  30  3.0 ~ 36A  1  05  30: 5  30
  40  4.0 ~ 48A  1  05  40: 5  40
  50  5.0 ~ 60A  1  05  50: 5  50
  60  6.0 ~ 72A  1  05  60: 5  60
  75  7.5 ~ 90A  1  05  75: 5  75
  100  10 ~ 120A  1  05  100: 5  100
  120  12 ~ 144A  1  05  120: 5  120
  150  15 ~ 180A  1  05  150: 5  150
  200  20 ~ 240A  1  05  200: 5  200
  250  25 ~ 300A  1  05  250: 5  250
  300  30 ~ 360A  1  05  300: 5  300
  400  40 ~ 480A  1  05  400: 5  400
  500  50 ~ 600A  1  05  500: 5  500
  600  60 ~ 720A  1  05  600: 5  600
  750  75 ~ 900A  1  05  750: 5  750
  800  80 ~ 960A  1  05  800: 5  800