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SitemapHeater Element Burnout Detector
K2CU
Accurate Detection of Heater Element Burnout Regardless of Heater Capacities
Data Sheet (230KB)
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Ratings
| Item | K2CU-F | K2CU-P |
| Control supply voltage | 100, 110, 200, 220 VAC | 100/200, 110/220 VAC |
| Rated frequency | 50/60 Hz | |
| Carry current | 1.25 times as large as each model's maximum operating current | 2.5 A for K2CU-P0.5A-A/-B; 5A |
| Operating voltage range | 85% to 110% of control supply voltage | |
| Voltage fluctuation compensation range | 85% to 110% of control supply voltage | 85% to 110% of control supply voltage (applicable only on models with voltage fluctuation compensation) |
| Operating current | 4 to 10 A, 8 to 20 A, 16 to 40 A, 32 to 80 A (continuously variable) | 0.25 to 0.5 A, 0.5 to 1 A, 1 to 2 A, 2 to 4 A (continuously variable) |
| Releasing current | 105% max. of operating current | 110% max. of operating current |
| Operate time | 0.5 s max. (when current changes from 150% to 0%) | |
| Gate input voltage range (for models with gate input terminals) | 5 to 30 VDC | --- |
| Control output | 2 A at 220 VAC, SPDT (cosΦ = 0.4) | |
| Power consumption | Input: 0.5 VA max. Power supply: 5 VA max. | Input: 1 VA max. Power supply: 4 VA max. |
Characteristics
| Setting accuracy | ±7% max. |
| Repeat accuracy | ±3% max. |
| Influence of temperature | ±10% max. (at 20°C±30°C) |
| Influence of voltage | Models without voltage fluctuation compensation: ±3% max. of the value measured at the control supply voltage, on condition that the voltage fluctuation is 85% to 110% of the control supply voltage Models with voltage fluctuation compensation: ±5% max. of the logical value, on condition that the voltage fluctuation is 85% to 110% of the control supply voltage. (see note) |
| Influence of frequency | ±3% max. (at ±5% of rated frequency) |
| Insulation resistance | 10 MΩ min. (at 500 VDC) between electric circuits and mounting panel |
| Dielectric strength | 2,000 VAC, 50/60 Hz for 1 min between electric circuits and mounting panel |
| Overcurrent | 20 times of max. set value of operating current for 2 s |
| Vibration resistance | Destruction: 16.7 Hz, 1-mm double amplitude for 10 min each in X, Y, and Z directions |
| Shock resistance | Destruction: 98 m/s2 (approx. 10G) |
| Ambient temperature | Operating: -10°C to 55°C (with no icing) |
| Ambient humidity | Operating: 45% to 85% |
| Weight | K2CU-F: approx. 390 g; K2CU-P: approx. 300 g |
Note: The logical value is an operating value within a range of 0.85 to 1.1 with a voltage fluctuation of 85% to 110%, based on the value at the control supply voltage measured as 1.
Caution: In the interenst of product improvement, specifications are subject to change without notice.
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