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Item
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100 to 240 VAC 50/60 Hz
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24 VAC 50/60 Hz or 24 VDC
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Allowable voltage range
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85 to 110% of power supply voltage
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Power consumption
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5 VA max.
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2 W max. (24 VDC), 4 VA max. (24 VAC)
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Sensor inputs
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K8AK-TH11S
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Thermocouple: K, J, T, E; platinum-resistance thermometer: Pt100, Pt1000
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K8AK-TH12S
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Thermocouple: K, J, T, E, B, R, S, PLII
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Output relay
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One SPDT relay (5 A at 250 VAC, resistive load)
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External inputs
(for latch setting)
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Contact input
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ON: 1 kΩ max., OFF: 100 kΩ min.
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Non-contact input
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ON residual voltage: 1.5 V max., OFF leakage current: 0.1 mA max.
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Leakage current: Approx. 10 mA
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Setting method
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Rotary switch setting (set of three switches)
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Indicators
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Power (PWR): Green LED, relay output (ALM): Red LED
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Other functions
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Alarm mode (upper limit/lower limit), output normally ON/OFF selection, output latch, setting protection,
fail-safe operation selectable, temperature unit °C/°F
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Ambient operating temperature
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-20 to 55°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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Setting accuracy
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±1% of full scale
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Hysteresis width
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2°C
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Output relays
(1 × 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
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1,250 VA, 150 W
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Mechanical life
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10,000,000 operations
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Electrical life
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50,000 operations at 5 A, 250 VAC or 30 VDC
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Sampling cycle
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100 ms
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Weight
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160 g
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Degree of protection
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IP20
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Memory protection
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Non-volatile memory (number or writes: 1,000,000)
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Safety standards
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Approved standards
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EN 61010-1 (Pollution level 2, overvoltage category II)
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Application standards
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EN 61326-1, UL 61010-1, Korean Radio Waves Act (Act 10564), CSA:CAN/CSA C22.2 No.14, CCC: GB14048.5
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Crimp terminals
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Two solid wires of 2.5 mm2 or two ferrules of 1.5 mm2 with insulation sleeves can be tightened together
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Case material
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PC and ABS
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Mounting
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Mounted to DIN-rail
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Size in mm (H×W×D)
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90×22.5×100
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