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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Altitude
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2,000 m max.
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Voltage fluctuation rang
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85% to 110% of rated input voltage
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Input frequency
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50/60 Hz (AC power supply)
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Output relays
(2 × SPDT, normally closed operation)
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Resistive load
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5 A at 250 VAC or at 30 VDC
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Maximum contact voltage
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250 VAC or 30 VDC
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Maximum contact current
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5 A
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Maximum switching capacity
|
1,250 VA, 150 W
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Mechanical life
|
10,000,000 operations
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Electrical life
|
50,000 operations at 5 A, 250 VAC or 30 VDC
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Degree of protection
|
Terminal section: IP20
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Case material
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PC and ABS
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Weight
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Approx. 150 g
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Rated input voltage
|
K8AK-PW1
|
3-phase, 3-wire mode: 200, 220, 230, 240 VAC, 3-phase, 4-wire mode: 115, 127, 133, 138 VAC
|
K8AK-PW2
|
3-phase, 3-wire mode: 380, 400, 415, 480 VAC, 3-phase, 4-wire mode: 220, 230, 240, 277 VAC
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Operation (overvoltage and undervoltage)
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Operating value setting range
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Overvoltage = -30% to 25% of maximum rated input voltage
Undervoltage = -30% to 25% of maximum rated input voltage
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Operating value
|
100% operation at set value
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Reset (HYS.)
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Hysteresis
|
5% of operating value (fixed)
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Resetting method
|
Automatic reset
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Operating time (T)
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Overvoltage/undervoltage
|
0.1 to 30 s
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Power ON lock (LOCK)
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1 s or 5 s (Changed with the DIP switch)
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Overload capacity
|
Continuous input at 115% of maximum input, 10 s at 125% (up to 600 VAC)
|
Repeat accuracy
|
Operating value
|
±0.5% full scale (at 25°C and an ambient humidity of 65% at the rated power supply voltage, DC or 50/60 Hz sine wave input)
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Operating time
|
±50 ms (at 25°C and 65% humidity, rated power supply voltage)
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Indicators
|
Power (PWR): Green LED, relay output (RY): Yellow LED, alarm outputs (ALM 1/2): Red LED
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Applicable standards
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Conforming standards
|
EN 60947-5-1
Installation environment (pollution level 2, installation category III)
|
EMC
|
EN 60947-5-1
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Safety standards
|
UL 508 (Recognition), Korean Radio Waves Act (Act 10564), CSA and CCC
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Size in mm (H × W × D)
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90 × 22.5 × 100
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