Current transformer for low voltage current sensing and protection - Type and ratio - Low voltage current transformer (CT) - Transformation ratio: 150 A primary to 5 A secondary (150:5) - What it does - Converts a high primary current of 150 A to a safe secondary current of 5 A - Enables current conversion for easy measurement, monitoring, and protection - Why you need it - Safe isolation between high current circuits and measurement or control equipment - Compatible with standard 5 A sensing inputs used by meters and protective relays - Simplifies wiring and data collection by providing a standardized control signal - Key attributes - Function: current conversion for measurement and protection - Compatibility: designed for low voltage systems; works with equipment that accepts a 5 A secondary input - Performance: preserves current signal proportionality within its rated range - Practicality: facilitates accurate monitoring and reliable protection without exposing instrumentation to high currents - Use scenarios - In a low voltage distribution panel to feed a 5 A input meter or protective relay, enabling safe current monitoring of a 150 A circuit - In motor control or feeder protection circuits to provide a 5 A sensing signal for overload or short-circuit protection - In a test or calibration setup where a 150 A load needs to be represented by a 5 A signal for instrumentation or data logging - Notes - This device is a current transformer intended for current conversion and monitoring - Use with appropriate burden and compatible measurement or protection equipment to ensure accuracy and proper operation