<p>Buy the Honeywell CSNF161 current sensor to detect power in a circuit. CSNF161 Current Sensor from Honeywell is a lightweight compact device that delivers rapid responses. A current sensor converts current into a voltage signal that delivers an accurate measurement and enhances the performance of a device. This Honeywell Sensor features high overload capability and high level of electrical isolation between primary and secondary circuits. </p> <p>CSNF161 is used in a variety of applications which include variable speed drives, overcurrent protection, ground fault detectors, UPS and telecommunication power supplies, welding power supplies, automotive - battery management systems, and wattmeters. This current sensor comes with a current sensing capacity of up to 1275 amps and is used for measuring AC, DC and impulse currents.</p>