Power supply voltage | 100 to 240 VAC 50/60 Hz | 24 VAC 50/60 Hz or 24 VDC | |
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Allowable voltage range | 85% to 110% of power supply voltage | ||
Power consumption | 5 VA max. | 2 W max. (24 VDC), 4 VA max. (24 VAC) | |
Sensor inputs | K8AK-TH11S | Thermocouple: K, J, T, E; Platinum-resistance thermometer: Pt100, Pt1000 | |
K8AK-TH12S | Thermocouple: K, J, T, E, B, R, S, PLII | ||
Output relay | One SPDT relay (5 A at 250 VAC, resistive load) | ||
External inputs
(for latch setting) |
Contact input | ON: 1 kΩ max., OFF: 100 kΩ min. | |
Non-contact input | ON residual voltage: 1.5 V max., OFF leakage current: 0.1 mA max. | ||
Leakage current: Approx. 10 mA | |||
Setting method | Rotary switch setting (set of three switches) | ||
Indicators | Power (PWR): Green LED, Relay output (ALM): Red LED | ||
Other functions | Alarm Mode (upper limit/lower limit), non-fail safe/fail safe selection, output
latch, setting protection, temperature unit °C/°F |
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Ambient operating temperature | -20 to 55°C (with no condensation or icing) | ||
Ambient operating humidity | Relative humidity: 25% to 85% | ||
Storage temperature | -25 to 65°C (with no condensation or icing) |