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LEM HAT 200-S, O/L Hall Efffect Current Transducer, 200 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 200-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) 200 Amp Measurement Range +/-600 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 2026 LEM Application Guide Typical Bipolar Power Supply Wiring  

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LEM DVC 1000-P, C/L Voltage Transducer, 1000V AC/DC, 5VDC Supply, 2.5Vref Output, PCB Mount Features Bandwidth DC to 47kHz 8 Pins 5V Unipolar Supply 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 Voltage overload capability Low power consumption Applications AC variable speed drives and servo motor drives Single and Three Phase Inverters 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 DVC 1000-P Technology Closed Loop Hall Effect Aperture No Aperture ROHS Yes Supply Voltage 5VDC Primary Nominal Voltage +/-1000V AC/DC Measurement Range +/-1500V AC/DC Output 2.5V Vref 1.17V -> 3.83V (0.5 to 4.5V over range) Instantaneous Isolation 4.2 kV Bandwidth DC-47 kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 85°C Accuracy 1% 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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LEM AT 5 B10, AC Current Transformer, Self Powered, 5 Amp Average RMS 0-10V output Features Split Core 0-10V Average RMS Current Output Cable Mounting Self Powered Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable up to ? 16mm High isolation between primary and secondary circuits Easy installation Applications Current Measurement Energy Management Motor Control Actuators Lamp Failure Specification LEM Part Number AT 5 B420L Technology AC Current Transformer Protection Class IP50 Supply Voltage Self Powered Load Current (RMS) 5 Amp Maximum Measurement Current (RMS) 6 Amp Output 0-10V (Average RMS) Isolation 3.5kV (AC, 50Hz, 1 min) Bandwidth 45 - 65Hz Mounting Style Din Rail Mount Operating Temperature Range -10°C / 65°C Accuracy 1.5% Aperture ? 16mm Termination Style Screw Approvals CE,UL,ROHS Unit Weight 90g Factory Pack Qty 6   Datasheet Product Datasheet

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LEM HOYL 400-S-0100 Series Closed Loop AC/DC Hall Effect Sensor Features Open loop multi-range current transducer Voltage output Single supply +5 V Overcurrent detect 2.93 × IPN (peak value) Galvanic separation between primary and secondary circuit Low power consumption For busbar mounting Aperture: 40 × 13 mm Factory calibrated ? Mating JST connector: housing PAP-05V-S contact SPHD-00xT-P0.5. Advantages Low offset drift Over-drivable Vref Creepage / clearance > 10.5 mm Fast response Low profile 2 mm pitch connector for 22 to 28 AWG wire. 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 Combiner box Solar inverter on DC side of the inverter (MPPT). Standards IEC 61800-2: 2015 IEC 61800-3: 2004 IEC 61800-5-1: 2007 ? IEC 62109-1: 2010 ? UL 508: 2013. Application Domain Industrial. Specification LEM Part Number HOYL 400-S-0100 Technology Open Loop Hall Effect Aperture 40 x 13mm ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 400 Amp Measurement Range +/-1000 Amp Output 2.5 Vref Isolation 8 kV Bandwidth DC-140 kHz Mounting Style Busbar Mount Operating Temperature Range -40°C / 105°C Accuracy 1% Termination Style JST B05B-PASK or equivalent Unit Weight 232g Factory Pack Quantity 25 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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LEM AT 50 B420L, AC Current Transformer, loop powered, 50 Amp Average RMS 4-20mA output, Features Average RMS Output Split Core 4-20mA Current Output Cable Mounting 20-30VDC Loop Powered Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable up to ? 16mm High isolation between primary and secondary circuits Easy installation Applications Current Measurement Energy Management Motor Control Actuators Lamp Failure Specification LEM Part Number AT 50 B420L Technology AC Current Transformer Protection Class IP50 Supply Voltage 20-30VDC Loop Powered (10mA) Load Current (RMS) 50 Amp Output 4-20mA (Average RMS) Isolation 3.5kV (AC, 50Hz, 1 min) Bandwidth 55 - 65Hz Mounting Style Din Rail Mount Operating Temperature Range -10°C / 65°C Accuracy 1.5% Termination Style Screw Unit Weight 90g Factory Pack Qty 6   Datasheet Product Datasheet  

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LEM HOYL 200-S-0100 Series Closed Loop AC/DC Hall Effect Sensor Features Open loop multi-range current transducer Voltage output Single supply +5 V Overcurrent detect 2.93 × IPN (peak value) Galvanic separation between primary and secondary circuit Low power consumption For busbar mounting Aperture: 40 × 13 mm Factory calibrated ? Mating JST connector: housing PAP-05V-S contact SPHD-00xT-P0.5. Advantages Low offset drift Over-drivable Vref Creepage / clearance > 10.5 mm Fast response Low profile 2 mm pitch connector for 22 to 28 AWG wire. 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 Combiner box Solar inverter on DC side of the inverter (MPPT). Standards IEC 61800-2: 2015 IEC 61800-3: 2004 IEC 61800-5-1: 2007 ? IEC 62109-1: 2010 ? UL 508: 2013. Application Domain Industrial. Specification LEM Part Number HOYL 200-S-0100 Technology Open Loop Hall Effect Aperture 40 x 13mm ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 200 Amp Measurement Range +/-500 Amp Output 2.5 Vref Isolation 8 kV Bandwidth DC-140 kHz Mounting Style Busbar Mount Operating Temperature Range -40°C / 105°C Accuracy 1% Termination Style JST B05B-PASK or equivalent Unit Weight 232g Factory Pack Quantity 25 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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VA1021B, Liquid PH Tester & Temperature Tester Portable with External BNC Connected Sensor. Range 0-14PH, 0-50 Deg C Accuracy 0.02PH/0.5 Deg C, WITH BLUETOOTH AND APP Features Portable /Battery Powered 3 x AAA (500 Hours) External Sensor (BNC) Range 0-14PH, 0-50 Deg C Accuracy 0.02PH/0.5 Deg C Bluetooth Comms Free App Specification   Datasheet Datasheet

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LEM HAS Series Open Loop AC/DC Hall Effect Sensor Features Bandwidth DC to 50kHz 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, 50 to 600 A in one package. 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 HAS 200-S Technology Open Loop Hall Effect Aperture 20.4 x 10.4mm Square ROHS Yes Supply Voltage +/-15 VDC Bipolar, Isolated Load Current (RMS + DC) 200 Amp Measurement Range +/-600 Amp Output +/-4 V Isolation 3.6 kV Bandwidth DC-50 kHz Mounting Style Panel Mount Operating Temperature Range -10°C / 80°C Accuracy 1% Termination Style Molex 5045-04A Unit Weight 60g Factory Pack Quantity 10 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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LEM HOYL 800-S-0100 Series Closed Loop AC/DC Hall Effect Sensor Features Open loop multi-range current transducer Voltage output Single supply +5 V Overcurrent detect 2.93 × IPN (peak value) Galvanic separation between primary and secondary circuit Low power consumption For busbar mounting Aperture: 40 × 13 mm Factory calibrated ? Mating JST connector: housing PAP-05V-S contact SPHD-00xT-P0.5. Advantages Low offset drift Over-drivable Vref Creepage / clearance > 10.5 mm Fast response Low profile 2 mm pitch connector for 22 to 28 AWG wire. 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 Combiner box Solar inverter on DC side of the inverter (MPPT). Standards IEC 61800-2: 2015 IEC 61800-3: 2004 IEC 61800-5-1: 2007 ? IEC 62109-1: 2010 ? UL 508: 2013. Application Domain Industrial. Specification LEM Part Number HOYL 800-S-0100 Technology Open Loop Hall Effect Aperture 40 x 13mm ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 800 Amp Measurement Range +/-2000 Amp Output 2.5 Vref Isolation 8 kV Bandwidth DC-140 kHz Mounting Style Busbar Mount Operating Temperature Range -40°C / 105°C Accuracy 1% Termination Style JST B05B-PASK or equivalent Unit Weight 232g Factory Pack Quantity 25 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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LEM AP 400 B420L, Split Core AC Current Sensor, selectable 200, 300, 400 Amp, Average RMS 4-20mA output, Infinite Overload Capability Compact and versatile Split Core AC current sensor, selectable 200, 300, 400 Amp Average RMS 4-20mA output Features Split Core Average RMS output 4-20mA current output Busbar, or Din Rail mounting Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for busbar/cable up to 18.5mm x 18.5mm High isolation between primary and secondary circuits Easy installation DIN Rail Mount Applications -Automation Systems Analogue current reading for remote monitoring (e.g. Motor) -Data Loggers Self Powered. Will not drain data logger batteries -Panel Meters Simple connection displays power consumption Specification LEM Part Number AP 400 B420L Technology AC Current Transformer with Process Output ROHS Yes Supply Voltage 24VDC @ 30mA Nominal Current (RMS + DC) 200,300,400 Amp Selectable Overload Infinite Output 4-20mA Average RMS Isolation 5kV (AC, 50Hz, 1 min) Bandwidth 30-2000Hz Mounting Style Din Rail mount or Busbar mount Operating Temperature Range -40°C / 85°C Accuracy 1% Termination Style Spring Terminal Block (Female Included) Unit Weight 90g Factory Pack Qty 6   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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LEM HO 25-P Series Open Loop AC/DC Hall Effect Sensor Features Open loop current transducer Fixed offset & sensitivity Voltage output Single supply +5 V Overcurrent detect 2.63 × IPN (peak value) Galvanic separation between primary and secondary circuit Low power consumption For PCB mounting 8x8mm Aperture Advantages Small size and space saving Same package for wide primary current range Creepage / clearance > 8 mm High immunity to external interference Fast response High insulation capability 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 Combiner box Solar inverter on DC side of the inverter (MPPT). Standards EN 50178: 1997 IEC 61010-1: 2010 IEC 61326-1: 2012 UL 508: 2010 Application Domain Industrial. Specification LEM Part Number HO 25-P Technology Open Loop Hall Effect Aperture 8 x 8mm ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 25 Amp Measurement Range +/-62.5 Amp Output 2.5 Vref Isolation 4.3 kV Bandwidth DC-250 kHz Mounting Style Busbar Mount Operating Temperature Range -40°C / 105°C Accuracy 1.35% Termination Style PCB Through Hole Unit Weight 10g Factory Pack Quantity 25 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

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LEM AT 10 B5, Split Core AC Current Transformer, Self Powered, 10 Amp Average RMS 0-5V output Features Split Core 0-5V Average RMS Output Cable Mounting Self Powered Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable up to ? 16mm High isolation between primary and secondary circuits Easy installation Applications Current Measurement Energy Management Motor Control Actuators Lamp Failure Specification LEM Part Number AT 10 B5 Technology AC Current Transformer Protection Class IP50 Supply Voltage Self Powered Load Current (RMS) 10 Amp Maximum Measurement Current (RMS) Output 0-5V (Average RMS) Isolation 3.5kV (AC, 50Hz, 1 min) Bandwidth 55 - 65Hz Mounting Style Din Rail Mount Operating Temperature Range -10°C / 65°C Accuracy 1.5% Aperture ? 16mm Termination Style Screw Approvals CE,UL,ROHS Unit Weight 90g Factory Pack Qty 6   Datasheet Product Datasheet

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