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CTSR 0.6-P, C/L Hall Effect Earth Leakage Current Sensor, 600mA 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 0.6-P Technology Closed Loop Hall Effect ROHS Yes Supply Voltage +/-15VDC Load Current (RMS + DC) 600mA 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 Unit Weight 28g Factory Pack Qty 10 Datasheet Product Datasheet

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LEM CKSR 50-NP KIT 3P Series Closed Loop AC/DC Hall Effect Sensor Features Closed loop current transducer Voltage output 4.3kV Isolation Frequency bandwidth 300kHz Single supply + 5 V Galvanic isolation between primary and secondary Low power consumption Compact design for PCB mounting Advantages CKSR footprint compatible Very good dv/dt immunity Low foot-print Low offset drift Reference pin with two modes REF IN and REF OUT Extended measuring range for unipolar measurement. High creepage / clearance distances Applications AC variable speed and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Solar Inverter Standards EN 50178: 1997 UL 508: 2004 IEC 61010-1: 2010 (safety) Application Domain Industrial Specification LEM Part Number CKSR 50-NP Sample Kit 3 P Technology Closed Loop Hall Effect Aperture None ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 50 Amp Measurement Range +/-150 Amp Output 2.5 Vref Isolation 4.3 kV Bandwidth DC-300 kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 85°C Accuracy 0.8% Termination Style PCB Unit Weight 9g Factory Packaging 3 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition Alternatives LKSR 50-NP

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LEM CKSR 15-NP KIT 3P Series Closed Loop AC/DC Hall Effect Sensor Features Closed loop current transducer Voltage output 4.3kV Isolation Frequency bandwidth 300kHz Single supply + 5 V Galvanic isolation between primary and secondary Low power consumption Compact design for PCB mounting Advantages CKSR footprint compatible Very good dv/dt immunity Low foot-print Low offset drift Reference pin with two modes REF IN and REF OUT Extended measuring range for unipolar measurement. High creepage / clearance distances Applications AC variable speed and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Solar Inverter Standards EN 50178: 1997 UL 508: 2004 IEC 61010-1: 2010 (safety) Application Domain Industrial Specification LEM Part Number CKSR 15-NP Sample Kit 3 P Technology Closed Loop Hall Effect Aperture None ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 15 Amp Measurement Range +/- 51Amp Output 2.5 Vref Isolation 4.3 kV Bandwidth DC-300 kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 85°C Accuracy 0.8% Termination Style PCB Unit Weight 9g Factory Packaging 3 Datasheet Product Datasheet

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LEM CKSR 6-NP KIT 3P Series Closed Loop AC/DC Hall Effect Sensor Features Closed loop current transducer Voltage output 4.3kV Isolation Frequency bandwidth 300kHz Single supply + 5 V Galvanic isolation between primary and secondary Low power consumption Compact design for PCB mounting Advantages CKSR footprint compatible Very good dv/dt immunity Low foot-print Low offset drift Reference pin with two modes REF IN and REF OUT Extended measuring range for unipolar measurement. High creepage / clearance distances Applications AC variable speed and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Solar Inverter Standards EN 50178: 1997 UL 508: 2004 IEC 61010-1: 2010 (safety) Application Domain Industrial Specification LEM Part Number CKSR 6-NP Sample Kit 3 P Technology Closed Loop Hall Effect Aperture None ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 6 Amp Measurement Range +/-20 Amp Output 2.5 Vref Isolation 4.3 kV Bandwidth DC-300 kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 85°C Accuracy 0.8% Termination Style PCB Unit Weight 9g Factory Packaging 3 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition Alternatives LKSR 6-NP

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LEM DHR 100 C420, Hall Effect Current Sensor, 100Amp RMS, 4-20mA output Compact and versatile transducer, 100Amp AC and DC, True RMS with signal conditioning. 4-20 mA output, Bandwidth: DC 20..6000 Hz Features VFD and SCR waveforms current measurement True RMS output 4-20mA current output Panel mounting Eliminates insertion loss Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable up to ?32mm High isolation between primary and secondary circuits Easy installation Applications -VFD Controlled Loads VFD output indicates how the motor and attached load are operating -SCR Controlled Loads Accurate measurement of phase angle fired or burst fired(time proportional) SCR's. Current measurement gives faster response than temperature measurement -Application Domain Energy and Automation Specification LEM Part Number DHR 100 C420 Technology Open Loop Hall Effect ROHS Yes Supply Voltage 20 - 50V Load Current (RMS + DC) 100 Amp Output 4-20mA Isolation 4kV (AC, 50Hz, 1 min) Bandwidth 20-6000Hz Mounting Style Panel Mount Operating Temperature Range -40°C / 70°C Accuracy Level 3 Termination Style SFKC 2.5/4-ST-5.08-RF(Phoenix Contact) Unit Weight 260g Factory Pack Qty 6   Datasheet Product Datasheet

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LEM HAT 500-S, O/L Hall Effect Current Transducer, 500 Amp, +/-15VDC, 40.5 x 30.5 Square Aperture, +/-4V Output Features Bandwidth DC to 5kHz Open loop transducer using Hall effect Compact and versatile Panel mounting-Horizontal or Vertical Insulated plastic case recognized according to UL 94-V0 Advantages Very good linearity Very good accuracy Low temperature drift Wide frequency bandwidth Very low insertion losses High immunity to external interference Current overload capability Low power consumption Wide dynamic range, nominal 100 to 1500 A in one package. Up to 2500 A measurement range Applications AC variable speed drives and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications. Specification LEM Part Number HAT 500-S Technology Open Loop Hall Effect Aperture 40.5 x 30.5mm Square ROHS Yes Supply Voltage +/-15 VDC Bipolar, Isolated Load Current (RMS + DC) 500 Amp Measurement Range +/-2250 Amp Output +/-4 V Isolation 4.9 kV Bandwidth DC-25 kHz Mounting Style Panel Mount Operating Temperature Range -10°C / 80°C Accuracy 1% Termination Style Molex 5045-04A Unit Weight 300g Factory Pack Quantity 10 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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LEM LV 100-1500/SP3 C/L Voltage Transducer, 1500V, +/-15VDC Aux, 50mA Output Features Bipolar and insulated voltage measurement up tp 2250VAC/DC Current output Closed loop (compensated) voltage transducer Panel mounting Insulated plastic case recognized according to UL 94-V0 Advantages Very good linearity High accuracy Low offset drift over temperature Wide frequency bandwidth Very low insertion losses High immunity to external interference Low power consumption Applications Railway Equipment Windmill Inverters Test and Measurement Substations AC variable speed drives and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Application Domain Industrial Traction Standards EN 50178:1997 IEC61010-1:2010 UL 508:2010 Specification LEM Part Number LV 100-1500/SP3 Technology Closed Loop Hall Effect Aperture No Aperture ROHS Yes Supply Voltage +/- 15 VDC Bipolar, Isolated Primary RMS Voltage 1500V Measurement Range +/- 2250V Output 50 mA Isolation 9 kV Response 200uS Mounting Style Panel Mount Operating Temperature Range -10°C / 70°C Accuracy 0.7% Termination Style Faston 45° 6.3 x 0.8mm and M5 threaded studs Unit Weight 870g Factory Pack Quantity 6 Datasheet Product Datasheet

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LEM DHR 400 C420, Hall Effect Current Sensor, 400Amp , True RMS 4-20mA output Compact and versatile transducers for high AC and DC currents from 100 to 1000A True RMS with signal conditioning. Choice of output types: 4-20 mA, 0-5 V or 0-10 V, Bandwidth: DC 20..6000 Hz Features VFD and SCR waveforms current measurement True RMS output 4-20mA current output Panel mounting Eliminates insertion loss Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable up to ?32mm High isolation between primary and secondary circuits Easy installation Applications -VFD Controlled Loads VFD output indicates how the motor and attached load are operating -SCR Controlled Loads Accurate measurement of phase angle fired or burst fired(time proportional) SCR's. Current measurement gives faster response than temperature measurement -Application Domain Energy and Automation Specification LEM Part Number DHR 400 C420 Technology Open Loop Hall Effect ROHS Yes Supply Voltage 20 - 50V Load Current (RMS + DC) 400 Amp Output 4-20mA Isolation 4kV (AC, 50Hz, 1 min) Bandwidth 20-6000Hz Mounting Style Panel Mount Operating Temperature Range -40°C / 70°C Accuracy Level 3 Termination Style SFKC 2.5/4-ST-5.08-RF(Phoenix Contact) Unit Weight 260g Factory Pack Qty 6   Datasheet Product Datasheet

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CT 0.4-P, C/L Hall Effect Earth Leakage Current Sensor, 400mA 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 Bandwidth : DC and 40 up to 7..18 kHz Response time better than 60 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 CT 0.4-P Technology Closed Loop Hall Effect ROHS Yes Supply Voltage +/-15VDC Load Current (RMS + DC) 400 mAmp Output 5V Analogue Isolation 2.5kV Bandwidth DC-7kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 125°C Accuracy 1% Aperture ø 11mm Unit Weight 10g Factory Pack Qty 10 Datasheet Product Datasheet Phasing out - See CTSR Series for new 5VDC supply design

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LEM TT 50-SD Series Current Transformer (, Obsolete) Features Quick Release Split Core System Ø 8 mm sensing aperture for noncontact measurementMounting Feet Supplied Self Powered Cable output (1m) Rated System Voltage 0.30/3.5kV Isolated plastic case recognized according to UL 94-V0 Applications Metering Equipment Energy Monitoring AC Power Control Systems Power Factor Correction Power Quality Measurements Specification LEM Part Number TT 50-SD Technology Split Core AC Current Transformer Ratio 50/16.66mA Aperture Size ? 8mm Protection Degree IP40 Accuracy Class Class 1 Output 16.66 mA AC (+20%) Isolation 3.5kV (AC, 50Hz, 1 min) Bandwidth 50-60Hz Mounting Style Panel Mount/Busbar Mount Operating Temperature Range -30°C / 85°C Continuous Current (max) 50Amp x 1.2 Termination Style 1m Flying Lead Unit Weight 80g Factory Pack Qty 9 Datasheet Product Datasheet Alternatives This part is , Obsolete. Contact Us for Possible Replacement for replacement

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LEM LA 305-S Closed Loop AC/DC Hall Effect Sensor Features Bandwidth DC to 100kHz Closed loop transducer using Hall effect Insulated plastic case recognized according to UL 94-V0 Advantages Very good linearity High accuracy Low temperature drift Wide frequency bandwidth Very low insertion losses High immunity to external interference Current overload capability Low power consumption Applications AC variable speed drives and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Water Treatment Electronics Specification LEM Part Number LA305-S Technology Closed Loop Hall Effect Aperture 25.5 x 25.5mm ROHS Yes Supply Voltage +/-12..15 VDC Bipolar, Isolated Load Current (RMS + DC) 300 Amp Measurement Range +/-500 Amp Output 150mA Isolation 6 kV Bandwidth DC-100 kHz Mounting Style Panel Mount Operating Temperature Range -10°C / 85°C Accuracy 0.65% Termination Style Molex series 70543-0003 Unit Weight 95g Factory Pack Quantity 60 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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LEM LA 25-NP/SP13, C/L Hall Effect Current Sensor, Multi Range 0.5 Amp, 25mA Output, PCB Mount, No Aperture Features Bandwidth DC to 150kHz Closed loop transducer using Hall effect Compact and versatile PCB Mount Insulated plastic case recognized according to UL 94-V0 Advantages Very good linearity High accuracy Low temperature drift Wide frequency bandwidth Very low insertion losses High immunity to external interference Current overload capability Low power consumption Applications AC variable speed drives and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Water Treatment Electronics Specification LEM Part Number LA25-NP/SP13 Technology Closed Loop Hall Effect Aperture No Aperture ROHS Yes Supply Voltage +/-15 VDC Bipolar, Isolated Load Current (RMS + DC) 0.5 Amp Measurement Range +/-0.72 Amp Output 25 mA Isolation 2.5 kV Bandwidth DC-150 kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 85°C Accuracy 0.5% Termination Style Through Hole PCB Unit Weight 22g Factory Pack Quantity 25   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition  

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