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K8AK Datasheet(PDF) 7 Page - Omron Electronics LLC |
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K8AK Datasheet(HTML) 7 Page - Omron Electronics LLC |
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7 / 88 page  K8AK-AS 7 Ratings and Specifications Input Range *1 The range is selected using connected terminals. *2 The K8AK-AS3 is designed to be used in combination with an OMRON K8AC-CT200L Current Transformer (CT). (Direct input is not possible.) Ratings Model Range*1 Connection terminal Setting range Input impedance Input type Overload capacity K8AK-AS1 0 to 20 mA AC/DC I1-COM 2 to 20 mA AC/DC, 10 to 100 mA AC/ DC, 50 to 500 mA AC/DC Approx. 5 Direct input Continuous input at 120% of maximum input 1 s at 150% 0 to 100 mA AC/DC I2-COM Approx. 1 Direct input 0 to 500 mA AC/DC I3-COM Approx. 0.2 Direct input K8AK-AS2 0 to 1 A AC/DC I1-COM 0.1 to 1 A AC/DC, 0.5 to 5 A AC/DC, 0.8 to 8 A AC/DC Approx. 0.12 (Load : 0.5 VA) Direct input or commer- cially avail- able CT 0 to 5 A AC/DC I2-COM Approx. 0.02 (Load : 1.5 VA) 0 to 8 A AC/DC I3-COM Approx. 0.02 (Load : 3 VA) --- K8AK-AS3 0 to 100 A AC I2-COM 10 to 100 A AC*2, 20 to 200 A AC*2 --- OMRON CT Continuous input at 120% with an OMRON CT (K8AC- CT200L). 30 s at 200% 1 s at 600% * CT capacity on primary side. 0 to 200 A AC I3-COM --- OMRON CT Power supply voltage Isolated power supply 24 VAC/DC 100 to 240 VAC Power consumption 24 VAC/DC: 2.0 VA/1.1 W max. 100 to 240 VAC: 4.6 VA max. Operating value setting range (SV) 10% to 100% of the maximum value of the setting range K8AK-AS1: 2 to 20 mA AC/DC 10 to 100 mA AC/DC 50 to 500 mA AC/DC K8AK-AS2: 0.1 to 1 A AC/DC (Compatible with commercially available CTs.) 0.5 to 5 A AC/DC (Compatible with commercially available CTs.) 0.8 to 8 A AC/DC K8AK-AS3: When used with the OMRON CT (K8AC-CT200L). 10 to 100 A AC 20 to 200 A AC Operating value 100% operation at set value Reset value setting range (HYS.) 5% to 50% of operating value Reset method Manual reset/automatic reset (switchable) Note: Manual reset: Turn OFF power supply for 1 s or longer. Operating time setting range (T) 0.1 to 30 s Startup lock time setting range (LOCK) Note: Enabled only for overcurrent operation. 0 to 30 s (The startup lock timer starts when the input has reached approximately 30% or more of the set value.) Note: Enabled only for overcurrent operation. Indicators Power (PWR): Green, Relay output (RY): Yellow, Alarm outputs (ALM): Red Input impedance Refer to Input Range on this page. Output relays One SPDT relay (NO/NC switched using DIP switch.) Output relay ratings Rated load Resistive load 5 A at 250 VAC 5 A at 30 VDC Maximum contact voltage: 250 VAC or 30 VDC Max. switching current: 5 A Maximum switching capacity: 1,250 VA, 150 W Mechanical life: 10 million operations min. Electrical life: 5 A at 250 VAC or 30 VDC: 50,000 operations 3 A at 250 VAC/30 VDC:100,000 operations Ambient operating temperature 20 to 60°C (with no condensation or icing) Storage temperature 25 to 65°C (with no condensation or icing) Ambient operating humidity 25% to 85% (with no condensation) Storage humidity 25% to 85% (with no condensation) Altitude 2,000 m max. Terminal screw tightening torque 0.49 N·m |
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