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EOCR Motor Protection Relays
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Motor Protection Relays
Over load

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EOCR-SSD  

 

EOCR-SSD
 
§ Microprocessor Control Unit Based/2-CT Type 
§ Real Time Processing/Higher Precession 
§ Current Setting Range
05Type:0.5~6A/30Type:3~30A/60Type:10~60A
§ Indicating real current on the display 
§ Trip cause digital display for easy trouble shooting
§ Reset:Manual(instantaneous)/Electrical(remote)
§ Load selection by DIP switch :Single phase(1P)/Three phase
(3)
§ Fail-safe(N)/Non-Fail-safe(R) 
 
 ØProtection
 
Over-current : Trip time o sec Is<In
Phase Loss :Trip time 3 sec
Locked Rotor : Trip time 0.5sec after elapse of dt
>2times OC setting value

 

 


EOCR-3DD  
EOCR-3DE/FDE
 
· Compact Design
  · MCU( Microprocessor Control Unit ) Based
  · Three Integral Current Transformers
  · Multiple Protection Functions
  · Digital Ammeter/3 Phase Current Display
  · Troubleshooting/Trip Cause Memory, Display
 · Adjustable Operating Features by Mode switch
  ·  Wide   Current   Adjustment   Range  
  · Selectable Time-Current Characteristics(Inverse/Definite)
  · Manual(Instantaneous)/Electrical(Remote)Reset
  · Test Function
  · Ambient Insensitive
  · Selectable Fail-safe and Non-fail-safe Operation Modes
  · Inverter (20~400Hz)
  
ØProtection
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)

 


 

ELECTRONIC VOLTAGE PROTECTION
■ MCU&ASIC Based Compact Design
■ Multiple Protection Functions
■ Wide Voltage Adjustment Range
■ Digital Volt Meter and Digital Setting
■ Trip Cause Display & Easy Troubleshooting
■ Manual/Electrical/Automatic Reset
■ Adjustable Reset Timer
■ Ambient Insensitive 
■ Panel Mounting type 
 


Protecttion
Protective Item Trip Time
Over-voltage 0.5~10 sec
Under-voltage 0.5~10 sec
Phase Loss 2 sec
Phase Reversal 0.1 sec
Phase Unbalance 3sec(If over 5%)


Specification
Voltage Setting
Range
Type Over-voltage(O-VOLT) Under-voltage(U-VOLT)
110 110-150V 80-120V
220 220-300V 160-240V
440 380-500V 300-440V
Trip Time Setting O-TIME 0.5 ~ 10 sec
U-TIME 0.5 ~ 10 sec
Control Voltage 220 85~250VAC/DC
Others 24,48VAC/DC(Optional Order)
Output Relay Mode 1-SPDT(1C)
Rating 3A/250VAC Resistive
Status Normally Energized
Reset SW3=AUTO Reset Time:1 or 5sec(DIP-SW4)
SW3=MAN RESET Button
Mounting PD 35mm DIN-Rail / Panel


 

Catalog & Price
 
  Motor Brochure
Soft StarterPrice 
 


  HTHY-PMZ
HTHY-3DE
HTHY-SSD05
HTHY-SSD30
HTHY-SSD60




 
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