K8AK-AS3 24VAC/DC 378163 K8AK0006B OMRON Monitoring Relays, Single Phase Current Max or Min 10-200A 24VAC / .. View larger
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K8AK-AS3 24VAC/DC 378163 K8AK0006B OMRON Monitoring Relays, Single Phase Current Max or Min 10-200A 24VAC / ..





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Monitoring Relays, Single Phase Current Max or Min 10-200A 24VAC / DC 1 SPDT

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* Brand new product in its original packaging covered by the warranties and certifications provided by OMRON

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K8AK-AS1-phase control
Single-phase current relay
These single-phase current relays monitor over- and undercurrents.Manual resetting and automatic resetting are supportedby one relay. The start-uplock and operating time can be set separately. The relay warning status is easily monitoredwith the LED
• Single-phase current relay
• In 22.5 mm wide industrial housing
• Under or over control
• Supply voltages: 24 VAC/DC, 100 to 240 VAC
• Easy wiring with ferrules
Ordering information
Measuring currentSupply voltage Order code
2 to 20 mA AC/DC,
10 to 100 mA AC/DC,
50 to 500 mA AC/DC
0.1 to 1 A AC/DC,
0.5 to 5 A AC/DC,
0.8 to 8 A AC/DC
10 to 100 A AC,
20 to 200 A AC
100 to 240VACK8AK-AS1 100-240VAC
100 to 240VACK8AK-AS2 100-240VAC
100 to 240VACK8AK-AS3 100-240VAC
Current transformerInput range Applicable relayOrder code
10 to 100A AC, 20 to 200 A AC K8AK-AS3 K8AC-CT200L
Note:The K8AK-AS3 is designed to be used in combination with the K8AC-CT200L (direct input not possible)
Ambient operating temperature –20 to 60°C (with no condensation or icing) Storage temperature –25 to 65°C (with no condensation or icing) Operating voltage range85% to 110% of rated operating voltage Rated power supply frequency 50/60 Hz±5 Hz (AC power supply)
Output relays
(1 × SPDT, normally closed operation)
Resistive load 5 A at 250VAC or at 30 VDC Maximum contact voltage250VAC or 30 VDC Maximum contact current5 A
Maximum switching capacity1,250 VA, 150 W
Mechanical life 10,000,000 operations
Electrical life 50,000 operations at 5 A, 250VAC or 30 VDC
Degree of protection Terminal section: IP20
Case materialPC and ABS
WeightApprox. 150 g
Operating power Isolated power supply2.0 VA/1.1 W max. at 24 VAC/DC, 4.6VA max. at 100 to 240 VAC
Operate (SV)Operating value setting range 10% to 100% of maximum measuring current
Operating value 100% operation at set value
Reset (HYS.)Hysteresis5% to 50% of operating value
Resetting method Manual reset/automatic reset (switchable)
Manual reset: Turn OFF operating power for 1 s or longer
Operating time (T)0.1 to 30 s
Operating power ON lock (LOCK) 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
Repeat errorOperating value ±0.5% full scale (at 25°C and 65% humidity, rated power supply voltage, DC or 50/60 Hz sine wave input)
Operating time ±50 ms (at 25°C and 65% humidity, rated power supply voltage)
Input frequency range
K8AK-AS1/-AS2 DC input or AC input (45 to 65 Hz)
K8AK-AS3AC input (45 to 65 Hz)
Overload capacity K8AK-AS1/-AS2Continuous input at 120% of maximum input, 1 s at 150%
K8AK-AS3Continuous input at 120%, 30 s at 200%, and 1 s at 600% with an OMRON CT (K8AC-CT200L) IndicatorsPower (PWR): Green LED, relayoutput (RY): Yellow LED, alarm outputs (ALM): Red LED Applicable standards Conforming standardsEN 60947-5-1
Installation environment (pollution level 2, installation category III)
EMCEN 60947-5-1
Safety standards UL 508 (Recognition), Korean Radio Waves Act (Act 10564), CSA and CCC
Size in mm (H × W × D)90 × 22.5 × 100

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