LEM AHR 1500 B420, AHR 1500 B420, Hall Effect Current Sensor, 1500Amp, True RMS 4-20mA output, 104 x 40mm aperture Compact and versatile transducers for high AC and DC currents from 500 to 2000A 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 Split Core VFD and SCR waveforms current measurement True RMS output 4-20mA current output Busbar mounting Eliminates insertion loss Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable or busbar up to 104 x 40mm High isolation between primary and secondary circuits Easy installation Applications -AC Power Supplies or Motors True RMS sensing - the most accurate way to monitor power supply or input power -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 and switch mode rectifiers. Current measurement gives faster response than temperature measurement. -Renewable Energy Installations or Backup Batteries Continuous condition monitoring allowing automatic failure detection and prediction -Application Domain Energy and Automation Specification LEM Part Number AHR 1500 B420 Technology Open Loop Hall Effect ROHS Yes Supply Voltage 20 - 50V Nominal Current (RMS + DC) 1500 Amp Maximum Measurement Current (Peak) 2500 Amp Output 4-20mA Isolation 5.8kV (AC, 50Hz, 1 min) Bandwidth 20-6000Hz Mounting Style Panel Mount Operating Temperature Range -40°C / 70°C Accuracy 1% Termination Style SFKC 2.5/4-ST-5.08-RF(Phoenix Contact) Unit Weight 650g Factory Pack Qty 6   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition  

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LEM AHR 1000 B420, Hall Effect Current Sensor, 1000Amp, True RMS 4-20mA output, 104 x 40mm aperture Compact and versatile transducers for high AC and DC currents from 500 to 2000A 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 Split Core VFD and SCR waveforms current measurement True RMS output 4-20mA current output Busbar mounting Eliminates insertion loss Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable or busbar up to 104 x 40mm High isolation between primary and secondary circuits Easy installation Applications -AC Power Supplies or Motors True RMS sensing - the most accurate way to monitor power supply or input power -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 and switch mode rectifiers. Current measurement gives faster response than temperature measurement. -Renewable Energy Installations or Backup Batteries Continuous condition monitoring allowing automatic failure detection and prediction -Application Domain Energy and Automation Specification LEM Part Number AHR 1000 B420 Technology Open Loop Hall Effect ROHS Yes Supply Voltage 20 - 50V Nominal Current (RMS + DC) 1000 Amp Maximum Measurement Current (Peak) 2000 Amp Output 4-10mA Isolation 5.8kV (AC, 50Hz, 1 min) Bandwidth 20-6000Hz Mounting Style Panel Mount Operating Temperature Range -40°C / 70°C Accuracy 1% Termination Style SFKC 2.5/4-ST-5.08-RF(Phoenix Contact) Unit Weight 650g Factory Pack Qty 6   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition  

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LEM LTC Series Open Loop AC/DC Hall Effect Sensor, Replaced LA 200-T Features Bipolar and insulated current measurement up tp 400 Amp Current output Bandwidth DC to 100kHz Closed loop (compensated) current transducer Panel mounting Insulated plastic case recognized according to UL 94-V0 with Busbar(not show) and Feet Kit(not shown) to replace LA 200-T Advantages Very good linearity High accuracy Low offset drift over temperature Wide frequency bandwidth Very low insertion losses High immunity to external interference Current overload capability 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 Standards EN 50178:1997 IEC61010-1:2010 UL 508:2010 Specification LEM Part Number LTC 200-TF Technology Closed Loop Hall Effect Aperture No Aperture ROHS Yes Supply Voltage +/- 15 VDC to +/- 24 VDC Bipolar, Isolated Load Current (RMS + DC) 200 Amp Measurement Range +/- 400 Amp Output 200 mA Isolation 12 kV Bandwidth DC-100 kHz Mounting Style Busbar Mount (with feet) Operating Temperature Range -10°C / 85°C Accuracy 0.5% Termination Style Faston 45° 6.3 x 0.8mm and M5 threaded studs Unit Weight 650g Factory Pack Quantity 6 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition Accessories For Feet Fixing kit see Part # 93.34.43.100.0

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LEM AHR 2000 B420, Hall Effect Current Transducer, 2000A, 4-20mA True RMS output, 20-50VDC supply Compact and versatile transducers for high AC and DC currents from 500 to 2000A 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 Split Core VFD and SCR waveforms current measurement True RMS output 4-20mA current output Busbar mounting Eliminates insertion loss Isolated plastic case recognised according to UL94-V0 Advantages Large aperture for cable or busbar up to 104 x 40mm High isolation between primary and secondary circuits Easy installation Applications -AC Power Supplies or Motors True RMS sensing - the most accurate way to monitor power supply or input power -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 and switch mode rectifiers. Current measurement gives faster response than temperature measurement. -Renewable Energy Installations or Backup Batteries Continuous condition monitoring allowing automatic failure detection and prediction -Application Domain Energy and Automation Specification LEM Part Number AHR 2000 B420 Technology Open Loop Hall Effect ROHS Yes Supply Voltage 20 - 50V Nominal Current (RMS + DC) 2000 Amp Maximum Measurement Current (Peak) 3000 Amp Output 4-20mA Isolation 5.8kV (AC, 50Hz, 1 min) Bandwidth 20-6000Hz Mounting Style Panel Mount Operating Temperature Range -40°C / 85°C Accuracy 1% Termination Style SFKC 2.5/4-ST-5.08-RF(Phoenix Contact) Unit Weight 650g Factory Pack Qty 6   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition  

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