Item | 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), output normally ON/OFF selection, output latch, setting protection, fail-safe operation selectable, temperature unit °C/°F |
Ambient operating temperature | -20 to 55°C (with no condensation or icing) |
Storage temperature | -25 to 65°C (with no condensation or icing) |
Setting accuracy | ±1% of full scale |
Hysteresis width | 2°C |
Output relays (1 × SPDT, normally closed operation) | Resistive load | 5 A at 250 VAC or at 30 VDC |
Maximum contact voltage | 250 VAC or 30 VDC |
Maximum contact current | 5 A |
Maximum switching capacity | 1,250 VA, 150 W |
Mechanical life | 10,000,000 operations |
Electrical life | 50,000 operations at 5 A, 250 VAC or 30 VDC |
Sampling cycle | 100 ms |
Weight | 160 g |
Degree of protection | IP20 |
Memory protection | Non-volatile memory (number or writes: 1,000,000) |
Safety standards | Approved standards | EN 61010-1 (Pollution level 2, overvoltage category II) |
Application standards | EN 61326-1, UL 61010-1, Korean Radio Waves Act (Act 10564), CSA:CAN/CSA C22.2 No.14, CCC: GB14048.5 |
Crimp terminals | Two solid wires of 2.5 mm2 or two ferrules of 1.5 mm2 with insulation sleeves can be tightened together |
Case material | PC and ABS |
Mounting | Mounted to DIN-rail |
Size in mm (H×W×D) | 90×22.5×100 |