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Speed Switches


Monitoring speed is essential in any Automation process. Speed of any equipment driven by electric motor can vary due to various reasons.eg. overload, under-load, mechanical breakage, transmission problems, etc.In case of open loop control, a monitoring device is useful to either trigger an alaram or to switch off the motor.In case of closed loop control e.g. D.C drive or V/F control a feedback is required (linear 4.20 mA or 0-10V) to take corrective action.