<p>A current sensor is a device used to detect the current in the circuit and convert it to a voltage signal to deliver accurate measurement and enhance performance. This Honeywell sensor is used in a variety of applications like such as variable speed drives, overcurrent protection, ground fault detectors, UPS and telecommunication power supplies, welding power supplies, automotive - battery management systems, and wattmeter's.</p> <p>CSNB121 Current Sensor from Honeywell is light weight and small in size and delivers rapid response. This Honeywell Sensor features high overload capability and high level of electrical isolation between primary and secondary circuits. This electronic sensor has current sensing capacity of up to 1275 amps and is used to measure AC, DC and impulse currents.</p>