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Model
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DOG-D51-N ( Non Draw out )
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DOG-D51D-N ( Draw out )
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Rating
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Rated current
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AC 5A
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Frequency
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50/60Hz ±5%
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Standard Code
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IEC 255, KEMC 1120
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Communication
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RS-485 Modbus Protocol
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Memory
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Up to 10 Records of fault data
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Auxiliary Voltage
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AC/DC 110V (86~260V)
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Ambient temperature
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-10℃ to 60℃(with no icing)
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Current Setting
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- OC -
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Over current Range
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0.2 ~ 15A Lock (stepas of 0.1A)
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Instantaneous Range
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5 ~ 80A Lock (stepas of 1A)
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- EF -
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Over current Range
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0.2 ~ 5A Lock (stepas of 0.1A)
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Instantaneous Range
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1 ~ 40A Lock (stepas of 1A)
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Time Setting &
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OC / EF time lever
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0.1 ~ 40 (Steps of 0.1)
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Curve IEC 255-3
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Normal inverse time
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NI= (0.14/I0.02 -1) * (tp/10)
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Very inverse time
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VI= (13.5/I -1) * (tp/10)
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Extremely inverse
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EI= (80/I2 -1) * (tp/10)
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Definite time
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DE= tp
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Resetting Value
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> 90%
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Reset time
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< 100ms
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Operating time
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Over Current
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Lever #10
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Normal inverse time
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300% 6.3 sec, 700% 3.5 sec
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Very inverse time
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300% 6.75 sec, 700% 2.25 sec
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Extremely inverse time
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300% 10 sec, 700% 1.67 sec
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Earth Fault
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Lever #5
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Normal inverse time
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300% 3.15 sec, 700% 1.76 sec
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Very inverse time
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300% 3.37 sec, 700% 1.12 sec
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Extremely inverse time
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300% 5 sec, 700% 0.83 sec
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Instantaneous time
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Iess then 0.05 sec
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Degree Protection
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IP 52
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Thermal Withstand Capability
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for 1s 80xIn Continuously 3xIn
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Burden
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Overcurrent & Earth Fault
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0.5VA
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Aux Voltage
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12VA(AC), 6W(DC)
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Contacts
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Output Relay
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Trip 2a
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Trip & Alarm contact capacity
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Make
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AC 240V 10A (L/R=0ms)
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DC 1000W 0.5sec (L/R=0ms)
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Break
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AC 240V 3A (L/R=0ms)
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DC 30W 0.5sec (L/R=0ms)
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Vibration resistance
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Malfunction
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10Hz 5mm double amplitude 30s each in X and Y directions
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16.7Hz 2.5mm double amplitude 600s each in X, Y and Z
1directions
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Shock resistance
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Destruction
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300㎨(approx. 30G) 3times each in 3 directions
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Insulation to IEC 255
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Dielectric Withstand
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2kV for 1minute between all terminals
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Insulation resistance at 500V
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>100㏁ (DC 500V Megger)
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Impluse Voltage Withstand
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5kv-1.2/50㎲ Positive / Negative 3 Time
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Surge transient simulator
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2.5kv 1MHz/200Ω
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Weight
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2.0kg
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