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Application relay
DSP-DGFR Digital Ground Fault Relay
Digital Ground Fault Relay
Main Feature
  • Panel Mounting Type
  •  Minimized compact size,panel mounting type
  •  MCU(Microprocessor Control Unit) based
  •  High sensitive wide range:30mA~4A
  •  Precised preset for zero phase current & time :3 Digit Window
  •  Various response : variable Eot
  •  Various type based on ZCT type
    • DGFR-A Type : ZCT → 200mA/1.5mA :30mA ~ 4A
    • DGFR-V Type : ZCT → 200mA/100mV :30mA ~ 4A
    • DGFR-N Type : NCT → 100A/5A :200mA ~10A
  •  Self diagnostic function
Specification
  • Trip delay time :0.05sec,0.1~60sec/definite T-I
  • Trip output relay:a/3A,250VAC, Resistive
  • Power Line
  • Environment
    • Temperature :Operation:-20°C ~ 60°C, Storage:-30°C~80 °C
    • Humidity:30~85%,Relative/Non-condensing
  • Allowable tollerance
    • Earth current : A,V Type:IO ≤100mA:±10mA, O >100mA:±10% / N Type: IO ≤500mA: ±10mA,IO > 500mA: ±10%
    • Operation time: t ≤2sec:± 0.2sec, t>2sec:±10%
  • Insulation Resistence/IEC-60255-5:100Mohm or more/500VDC,circuit-case
  • High Voltage Withstand Test/ IEC-60255-5:circuit-case:AC2000V,60Hz, 1 min / contact-contact:AC2000V,60Hz, 1min
  • Lightning Impulse Voltage Withstand Test)/ IEC-60255-5:Circuit-Ground,Circuit-Circuit: 1.2/50(uS),5KV / Control Circuits:1.2/50(uS), 5KV
  • 1 MHz Burst Immunity Test/IEC-61000-4-18:2.5KV,Positive/Negative under 2sec
  • Electrostatic Discharge/IEC-61000-4-2:Air:Level 3, 8KV /Contact:Level 3,6KV
  • Radiated Electromagnetic Field Disturbance/IEC-61000-4-3:Level 3, 10V/m
  • Electric Fast Transient Burst/IEC-61000-4-4:Power,Realy output:Level 4, 4KV
  • Surge Immunity test/IEC-61000-4-5:Relay output:1.2X50(uS),2KV(0°,90°,180°,270°)
  • Conducted Disturbence Test/EC-61000-4-6:0V,Level 3
  • Control Power:85∼260VAC,50/60Hz(120∼370VDC)
  • Installation:35mm DIN Rail,Panel Mounting
  • Power consumption:2W/max
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Certification
Ordercode
  • DGFR.png
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