LEM Products

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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CV 3-200/SP5 Voltage Transducer Flux Gate, Vpn = 140V RMS, 10V output, +/- 15/24VDC supply, 2.5kV Isolation Features Bandwidth DC to 700kHz Closed loop transducer using Flux Gate Compact and versatile Panel 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 Voltage overload capability Low power consumption Applications Railway substation or locomotive High Frequency Drives 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 CV 3-200/SP5 Technology Closed Loop Hall Effect Aperture No Aperture ROHS Yes Supply Voltage +/-15 VDC Bipolar, Isolated Primary Nominal Voltage (RMS + DC) +/- 140V Measurement Range +/- 200V Output 10V @Vp(max) Isolation 2.5 kV Bandwidth DC-700 kHz Mounting Style Panel Mount Operating Temperature Range -25°C / 75°C Accuracy 1% Termination Style M5 Screw Unit Weight 650g Factory Pack Quantity 4   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition  

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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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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 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 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 25-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 25-NP Sample Kit 3 P Technology Closed Loop Hall Effect Aperture None ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 25 Amp Measurement Range +/-85Amp 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 25-NP

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LEM CKSR 25-NP 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 25-NP Technology Closed Loop Hall Effect Aperture None ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 25 Amp Measurement Range +/-85Amp 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 25 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition Alternatives LKSR 25-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 CASR 50-NP KIT3P 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 LTSR footprint compatible Very good dv/dt immunity Very low temperature coefficient of offset 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: 2013 IEC 61010-1(safety) Application Domain Industrial Specification LEM Part Number CASR 50-NP Sample Kit 3 P Technology Closed Loop Multi Range 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 4.1 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 Contact Us for Possible Replacement

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LEM CAS 50-NP KIT3P Series Closed Loop AC/DC Hall Effect Sensor Features Closed loop current transducer Voltage output 4.2kV Isolation Frequency bandwidth 300kHz Single supply + 5 V Galvanic isolation between primary and secondary Compact design for PCB mounting Advantages LTS footprint compatible Very good dv/dt immunity Extended measuring range for unipolar measurement. Reduced height 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 Standards EN 50178: 1997 UL 508: 2013 IEC 61010-1(safety) Application Domain Industrial Specification LEM Part Number CAS 15-NP Sample Kit 3 P Technology Closed Loop Multi Range 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 4.2 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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