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Power Automation & Safety

Bangladesh Distributor

K2CU

Heater Element Burnout Detector

K2CU

Accurate Detection of Heater Element Burnout Regardless of Heater Capacities

Item list of K2CU

about this Product Family

Related Contents

last update: September 24, 2012

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.

last update: September 24, 2012

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