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Item
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K8DT-AS1
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K8DT-AS2
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K8DT-AS3
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Power supply voltage
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K8DT-AS__D
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24 VAC 50/60 Hz, 24 VDC
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K8DT-AS__A
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100 to 240 VAC 50/60 Hz
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Power consumption
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24 VAC/DC: 1.8 VA/1 W max.
100 to 240 VAC: 2.5 VA max.
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Operate (SV)
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Operating value setting range
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10% to 100% of the maximum value of the setting range
2 to 20 mA AC/DC
10 to 100 mA AC/DC
50 to 500 mA AC/DC
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10% to 100% of the maximum value of the setting range
0.1 to 1 A AC/DC (Compatible with commercially available CTs.)
0.5 to 5 A AC/DC (Compatible with commercially available CTs.)
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10% to 100% of the maximum value of the setting range
When used with the OMRON CT (K8AC-CT200L).
10 to 100 A AC
20 to 200 A AC
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Operating value
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100% operation at set value
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Reset (HYS)
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Hysteresis
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5% to 50% of operating value
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Resetting method
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Manual reset/automatic reset (switchable)
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Operating time setting range (T)
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0.1 to 30 s
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Startup lock time setting range (LOCK)
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0 to 30 s (The startup lock timer starts when the input has reached approximately 30% or more of the set value.)
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Indicators
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Power (PWR): Green, Output (OUT): Yellow, Alarm outputs (ALM): Red
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Output form
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Relay: SPDT contact output
Transistor: Open collector
Switchable between normally open and normally closed with a DIP switch setting.
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Output relays ratings
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Resistive load
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250 VAC 5 A or 30 VDC 5 A
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Inductive load
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250 VAC 1 A,
48 VDC 0.2 A
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Minimum load
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5 VDC, 10 mA (reference values)
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Mechanical life
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10 million operations min.
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Electrical life
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5 A at 250 VAC or 30 VDC: 50,000 operations
3 A at 250 VAC or 30 VDC:100,000 operation
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Transistor output ratings
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Contact form
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SPST-NO (Open collector)
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Rated voltage
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24 VDC (maximum voltage: 26.4 VDC)
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Maximum current
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50 mA DC
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Ambient operating temperature
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-20 to 60°C (with no condensation or icing)
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Storage temperature
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-25 to 65°C (with no condensation or icing)
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Case material
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PC, UL 94 V-0
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Weight
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Approx. 100 g
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Size in mm (H × W × D)
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90×17.5×90
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Operating voltage range
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85% to 110% of power supply voltage
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Rated power supply frequency
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50/60 Hz ±5 Hz
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Input frequency range
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DC input or AC input (45 to 65 Hz)
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AC input (45 to 65 Hz)
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Overload capacity
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Continuous input at 120% of maximum input, 1 s at 150%
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Continuous input at 120%, 30 s at 200%, and 1 s at 600% with an OMRON CT (K8AC-CT200L)
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Repeat error
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Operating value
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±0.5% full scale (at 25°C and 65% humidity, rated power supply voltage)
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Operating time
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±50 ms (at 25°C and 65% humidity, rated power supply voltage)
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Applicable standards
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Conforming standards
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EN 60947-5-1
Installation environment (pollution level 2, Overvoltage category III)
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EMC
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EN 60947-5-1
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Safety standards
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UL 60947-5-1 (Listing), Korean Radio Waves Act (Act 10564), CCC (GB14048.5)
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Degree of protection
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Terminals: IP20
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