Advantages:
Strong overload capability,
High reliability,
Fast response,
High precision.
Applications:
AC power distribution system: such as power distribution cabinet, railway power supply;
Signal monitoring: such as AC current monitoring for filament relay, input signal monitoring for motor, etc.
https://www.wbsensor.com/current-sensor/dc-current-sensor/current-transducer-with-0-5vdc-output.html