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CTSR 0.3-P/SP4, C/L Hall Effect Earth Leakage Current Sensor, 300mA Features DC & AC earth leakage current transducer using a flux-gate principle PCB mounting ±15V power supply ±5V output @ IPN Isolated plastic case recognized according to UL94-V0. Advantages Small size Wide Aperture Bandwidth : DC and 3.5 kHz Response time better than 50 ms Cost effective, compact alternative to classical RCDs (Residual Current Device) Applications Earth leakage detection in transformerless solar inverters 1st human contact protection of PV arrays Failure detection in power sources Symmetrical fault detection (e.g. after motor inverter) Current leakage detection in stacked DC sources Single phase or three phase differential current measurement up to ±30A per wire (DC or AC) Application Domains Industrial Specification LEM Part Number CTSR 0.3-P/SP4 Technology Closed Loop Hall Effect ROHS Yes Supply Voltage +/-15VDC Load Current (RMS + DC) 300mA Output 5V Analogue Isolation 5.4kV Bandwidth DC-3.5kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 105°C Accuracy 1% Aperture ø 20.1mm Special Feature No retention pin Unit Weight 28g Factory Pack Qty 10 Datasheet Product Datasheet

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