High Performance Current Sensing for Automation Applications
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Fan Status: Independent Verification of Operation

Fan Status: Independent Verification of OperationGood engineering practice suggests that every control output should have a corresponding status input for verification. On fans and pumps a current operated switch can be snapped over one motor leg and the output fed to the automation system. NK Technologies’ self-powered Current Operated Switches will close when the motor turns on and open when the motor is off.

By adjusting the setpoint pump coupling or fan belt failure can be detected. This reliable solid-state solution eliminates the need for unreliable pressure current switches and their costly installation.

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