TR AC Electrical Fire Monitoring Closed Loop Residual Zero-Phase Current Transformer

TR AC Electrical Fire Monitoring Closed Loop Residual Zero-Phase Current Transformer. High Precision Accuracy: Available in accuracy classes 0.2, 0.5, and 1.0 for different measurement requirements. Flexible Output Modes: Supports both socket and lead output methods for versatile application integration. Superior Balance Characteristics: Unbalanced current output is better than 30mA, 10mA, and 5mA with strong anti-interference. High Sensitivity Core: Adopts high magnetic permeability nickel steel or nanocrystalline magnetic core. Robust Construction: Casted with epoxy resin for good stability and flame retardant PBT/PC shell. Compliant Standards: Meets GB 14287.2-2014 and GB 13955-2005 requirements for electrical fire monitoring. Wide Operating Range: Rated input current 10mA~5A and linear range 5%~120% for diverse protection needs.