LEM LF 310-S, C/L Hall Effect Current Sensor, 300 Amp, +/-150mA Output Features Bipolar and insulated current measurement up tp 500 Amp Current output Bandwidth DC to 100kHz Closed loop (compensated) current 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 Current overload capability Low power consumption Applications 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 LF 310-S Technology Closed Loop Hall Effect Aperture ø20mm ROHS Yes Supply Voltage +/- 12 VDC to +/- 20 VDC Bipolar, Isolated Load Current (RMS + DC) 300 Amp Measurement Range +/- 500 Amp Output 150 mA Nominal (+/-250mA Max) Isolation 3.8 kV Bandwidth DC-100 kHz Mounting Style Panel Mount Operating Temperature Range -10°C / 85°C Accuracy 0.65% Termination Style Molex 6410 Unit Weight 107g Factory Pack Quantity 60 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

Read more less

LEM LF 310-S/SP16, C/L Hall Effect Current Sensor, 300 Amp, +/-150mA Output, SP16 = +/-600 Amp Overange Features Bipolar and insulated current measurement up tp 500 Amp Current output Bandwidth DC to 100kHz Closed loop (compensated) current 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 Current overload capability Low power consumption Applications 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 LF 310-S/SP16 Technology Closed Loop Hall Effect Aperture ø20mm ROHS Yes Supply Voltage +/- 12 VDC to +/- 20 VDC Bipolar, Isolated Load Current (RMS + DC) 300 Amp Measurement Range +/- 600 Amp Output 150 mA Nominal (+/-300mA Max) Isolation 3.8 kV Bandwidth DC-100 kHz Mounting Style Panel Mount Operating Temperature Range -10°C / 85°C Accuracy 0.65% Termination Style Molex 6410 Unit Weight 107g Factory Pack Quantity 60 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition

Read more less

LEM DHR 500 C420, Hall Effect Current Sensor, 500Amp , 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 500 C420 Technology Open Loop Hall Effect ROHS Yes Supply Voltage 20 - 50V Load Current (RMS + DC) 500 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

Read more less

LEM AT 5 B420L, AC Current Transformer, loop powered, 5 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 5 B420L Technology AC Current Transformer Protection Class IP50 Supply Voltage 20-30VDC Loop Powered (10mA) Load Current (RMS) 5 Amp Maximum Measurement Current (RMS) 6 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% Aperture ? 16mm Termination Style Screw Approvals CE,UL,ROHS Unit Weight 90g Factory Pack Qty 6 Datasheet Product Datasheet

Read more less

LEM DVC 1000-B, C/L Voltage Transducer, 1000V AC/DC Measurement, +/-15...24VDC Supply, Vsn= +/-6.66V, Panel Mount, or Din Rail Mount with Optional Clip Features Bandwidth DC to 47kHz Wago 2061 Connections +/-15...24VDC Bipolar Supply Closed loop transducer using Hall Effect Compact and versatile Panel Mount or Din Rail Mount with Optional Clip (93.30.R2.000.0) 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-B Technology Closed Loop Hall Effect Aperture No Aperture ROHS Yes Supply Voltage +/-15...24VDC Primary Nominal Voltage +/-1000V AC/DC Measurement Range +/-1500V AC/DC Output +/-6.66 VDC Instantaneous (+/-10VDC over range) Isolation 4.2 kV Bandwidth DC-37 kHz Mounting Style Panel Mount or Din Rail Mount with Optional Clip (93.30.R2.000.0) Operating Temperature Range -40°C / 85°C Accuracy 1% Termination Style WAGO 2016 Connectors Unit Weight 57g Factory Pack Quantity 25   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition      

Read more less

LEM ART-B22-D70-SP3, AC Measurement Rogowski Coils (coil only). 7cm Diameter, Class 0.5, 3M Shielded Cable Connection Flexible clip-around Rogowski coil for the electronic measurement of AC current with galvanic separation between the primary circuit (power) and the secondary circuit (measurement). The patented Perfect Loop Technology dramatically reduces both the error due to the position of the measured conductor within the aperture, and the error due to the proximity of external conductors. The ART series single phase flexible rope CT from LEM. In conjunction with AI-PMUL combined integrator & signal conditioner LEM offer True RMS 0-5V, 0-10V, 0-20mA, 4-20mA outputs, or direct linear outputs 0.333V or 0.166V Included is a 12.5cm diameter rope CT, and 1.5M of twisted pair (1000V) output leads for connection to an integrator, or meter/logger with integration function. LEM coils come with 5 year warranty Features Rated insulation voltage 1000 V Cat III PD2 Accuracy Class 0.5 (IEC 61869-2) Protection degree IP67 ? 70, ? 125, ? 175, ? 300 mm sensing aperture 3 m output cable (other lengths available see page 8) Ambient temperature ?40 °C … +80 °C Very flexible and thin coil: 6.1 mm Slot for attaching the loop on the primary with a cable tie ? 2 mm hole to pass a security seal tampering An innovative patented clasp drastically reduces the positioning error near the closing Internal shield for enhanced measurement accuracy at low primary currents. Advantages Thin, flexible, and light weight solution Very low positioning error Quick, non-intrusive and easy setup A single sensor for a large current range without overload Less influenced by external fields Adaptable for a large range of cable diameters Applications MV/LV substations on LV side: Transformer Condition Monitoring Power metering: current measurement for active power calculation Building sub-metering: energy efficiency monitoring, consumption analysis and cost allocation Power quality monitoring: electrical loads and distribution system equipment Fault Detection, Isolation and Repair (FDIR): isolate the site of the fault Remote Terminal Units (RTU) Phasor Measurement Units (PMU) Standards IEC 61010-1: 2010; IEC 61010-2-32 ed.3: 2012 1) IEC 61869-1 ed1.0: 2007; IEC 61869-2: ed1.0: 2012 1) IEC 61869-6: draft 2016; IEC 61869-10: draft 2016 UL Specification LEM Part Number ART-B22-D70-SP3 Function AC Current Measurement Measuring Range 0 - 5,000 Amp RMS (Contact Us for Possible Replacement for wider range) Secondary Voltage (Sensitivity) 22.5mV Frequency Measuring Range 50-300kHz Operating Voltage Self Powered Accuracy 0.5% from 25 to 5000 Amp Phase Angle < 0.004 Coil Diameter (?) 7cm Coil Circumference 22cm Integrator to Coil Cable 3M Twisted Pair Maximum Voltage 1000V Reinforced insulation according to EN 61010-1 Operating Temperature -15°C to 65°C Storage Temperature -45°C to 80°C Isolation (50Hz, 1 min) 7.4kV Overload 300,000 Amp Termination Style 2 Stripped Wires Weight 130g Factory Pack Qty 1 Certifications UL, ROHS Datasheet Product Datasheet Application Notes 1) The Rogowski coil can measure any primary current as there is no saturation effect. 2) Not tested given that in the worst case (load = 0 Ohm i.e. short circuit on the output) the peak dissipated power remains low (< 2 Watts) 3) Frequency bandwidth and phase shift modeling schematic can be provided on request. 4) Referring to the main phase offset of 90 ° (a Rogowski coil is a derivative current transducer) 5) Considering a primary conductor of at least ? 15 mm, perpendicular and in contact with the Rogowski coil. 6) Considering an external conductor of at least ? 15 mm the same current level than internal conductor, perpendicular and in contact with the Rogowski coil.

Read more less

LEM ART-B22-D175-SP3, AC Measurement Rogowski Coil (coil only). 17.5cm Diameter, Class 0.5, 3M Shielded Cable Connection Flexible clip-around Rogowski coil for the electronic measurement of AC current with galvanic separation between the primary circuit (power) and the secondary circuit (measurement). The patented Perfect Loop Technology dramatically reduces both the error due to the position of the measured conductor within the aperture, and the error due to the proximity of external conductors. The ART series single phase flexible rope CT from LEM. In conjunction with AI-PMUL combined integrator & signal conditioner LEM offer True RMS 0-5V, 0-10V, 0-20mA, 4-20mA outputs, or direct linear outputs 0.333V or 0.166V Included is a 17.5cm diameter rope CT, and 1.5M of twisted pair (1000V) output leads for connection to an integrator, or meter/logger with integration function. LEM coils come with 5 year warranty Features Rated insulation voltage 1000 V Cat III PD2 Accuracy Class 0.5 (IEC 61869-2) Protection degree IP67 ? 70, ? 125, ? 175, ? 300 mm sensing aperture 3 m output cable (other lengths available see page 8) Ambient temperature ?40 °C … +80 °C Very flexible and thin coil: 6.1 mm Slot for attaching the loop on the primary with a cable tie ? 2 mm hole to pass a security seal tampering An innovative patented clasp drastically reduces the positioning error near the closing Internal shield for enhanced measurement accuracy at low primary currents. Advantages Thin, flexible, and light weight solution Very low positioning error Quick, non-intrusive and easy setup A single sensor for a large current range without overload Less influenced by external fields Adaptable for a large range of cable diameters Applications MV/LV substations on LV side: Transformer Condition Monitoring Power metering: current measurement for active power calculation Building sub-metering: energy efficiency monitoring, consumption analysis and cost allocation Power quality monitoring: electrical loads and distribution system equipment Fault Detection, Isolation and Repair (FDIR): isolate the site of the fault Remote Terminal Units (RTU) Phasor Measurement Units (PMU) Standards IEC 61010-1: 2010; IEC 61010-2-32 ed.3: 2012 1) IEC 61869-1 ed1.0: 2007; IEC 61869-2: ed1.0: 2012 1) IEC 61869-6: draft 2016; IEC 61869-10: draft 2016 UL Specification LEM Part Number ART-B22-D175-SP3 Function AC Current Measurement Measuring Range 0 - 5,000 Amp RMS (Contact Us for Possible Replacement for wider range) Secondary Voltage (Sensitivity) 22.5mV Frequency Measuring Range 50-300kHz Operating Voltage Self Powered Accuracy 0.5% from 25 to 5000 Amp Phase Angle < 0.004 Coil Diameter (?) 17.5cm Coil Circumference 55cm Integrator to Coil Cable 3M Twisted Pair Maximum Voltage 1000V Reinforced insulation according to EN 61010-1 Operating Temperature -15°C to 65°C Storage Temperature -45°C to 80°C Isolation (50Hz, 1 min) 7.4kV Overload 350,000 Amp Termination Style 2 Stripped Wires Weight 138g Factory Pack Qty 1 Certifications UL, ROHS Datasheet Product Datasheet Application Notes 1) The Rogowski coil can measure any primary current as there is no saturation effect. 2) Not tested given that in the worst case (load = 0 Ohm i.e. short circuit on the output) the peak dissipated power remains low (< 2 Watts) 3) Frequency bandwidth and phase shift modeling schematic can be provided on request. 4) Referring to the main phase offset of 90 ° (a Rogowski coil is a derivative current transducer) 5) Considering a primary conductor of at least ? 15 mm, perpendicular and in contact with the Rogowski coil. 6) Considering an external conductor of at least ? 15 mm the same current level than internal conductor, perpendicular and in contact with the Rogowski coil.

Read more less

LEM ART-B22-D125-SP3 + AI-PMUL, Single Phase Rogowski Coil Set, Class 1, User Selectable 0.333v, 0.166v, True RMS 4-20mA, 0-20mA, 0-10V, 0-5V Outputs, Sensitivity, and Measurement Range, 12.5cm Diameter The universal Rogowski coil integrator AI-PMUL complements LEM’s flexible clip-around coil ART and ARU range. The design is based on digital processing to give combined dynamic range, accuracy and versatility of use. It offers a wide range of output signals both RMS and instantaneous. AI-PMUL is DIN rail mounted and can be stacked for multiphase application without spacing thanks to its low power dissipation. Input signal Accuracy Class 1 (IEC 61869-2) [1]. Linearity error ≤ 0.10 %. Protection degree IP2X. 35 mm DIN rail mounted. Push-in terminals. 4 selectable true RMS output signals: 0…20 mA, 4…20 mA, 0…5 V, 0…10 V. 2 selectable instantaneous output signals: 225 mV, 333 mV. 6 selectable sensitivities depending on Rogowski coil: 22.5, 70, 80, 85, 100, 120 mV/kA at 50 Hz. 12 selectable ranges: 100, 200, 300, 400, 500, 600, 800, 1000, 1500, 2000, 4000, 5000 A. Ambient operating temperature −25...+70 °C. Advantages Compact design for DIN rail assembly High accuracy Class 1 (IEC 61869-2) Setup by user via Select / Edit buttons Clear status indication via bi-color led Applications MV/LV substations on LV side: Transformer Condition Monitoring Power metering: current measurement for active power calculation Building sub-metering: energy efficiency monitoring, consumption analysis and cost allocation Power quality monitoring: electrical loads and distribution system equipment Fault Detection, Isolation and Repair (FDIR): isolate the site of the fault Remote Terminal Units (RTU) Phasor Measurement Units (PMU) Standards IEC 61010-1: 2010 UL EMC: IEC 61326-1:2012 Options Cross Power Plug-in: side contacts to stack up to 3 Integrator modules and use only one power supply. Specification LEM Part Number AI-PMUL + ART-B22-D125-SP3 Function Single Phase AC Current Measurement Measuring Range Selectable 5000,4000,2000,1500,1000,800,600,500,400,300,200,100Amp Sensitivity Selectable 22.5,70,80,85,100,120mV/kA @ 50 Hz Output Selectable; Signal Conditioned True RMS 0-20mA, True RMS 4-20mA, True RMS 5V, True RMS 10V or 225mV, 333mV Direct Output (1 Amp output coming soon) Frequency Measuring Range 50-1500Hz (15th Harmonic) Operating Voltage 10-32VDC Accuracy 1% from 25 to 5000 Amp Current Consumption 100mA (max) Dimensions 100mm x 78mm x 15mm (Integrator), 12.5cm Diameter (Coils) Mounting Din Rail Mount Integrator to Coil cable 3M Twisted and Screened Integrator to Meter cable User Supplied Shielded cable 1.5mm sqr, up to 6m long Operating Temperature -25°C - 70°C Storage Temperature -45°C to 80°C Isolation (50Hz, 1 min) 1.5kV True RMS Response Time 160-190ms Termination Style Push-in for 1.5mm sqr wire Weight 58g Factory Pack Qty 1 Certifications UL, ROHS Datasheet AI-PMUL Datasheet ART Series Datasheet Application Notes User Notice 1) The Rogowski coil can measure any primary current as there is no saturation effect. 2) Not tested given that in the worst case (load = 0 Ohm i.e. short circuit on the output) the peak dissipated power remains low (< 2 Watts) 3) Frequency bandwidth and phase shift modelling schematic can be provided on request. 4) Referring to the main phase offset of 90 ° (a Rogowski coil is a derivative current transducer) 5) Considering a primary conductor of at least ⌀ 15 mm, perpendicular and in contact with the Rogowski coil. 6) Considering an external conductor of at least ⌀ 15 mm the same current level than internal conductor, perpendicular and in contact with the Rogowski coil.

Read more less

LEM AI-P1A M1 Accessory Kit, Multi Stacking Connector for AI-PMUL Integrator, LEM Part# 90.T8.98.000.0 Application Cross Power Plug-in: side contacts to stack up to 3 Integrator modules and use only one power supply. Note: Included in 3pcs coil and integrator package Application Notes User Notice 1) The Rogowski coil can measure any primary current as there is no saturation effect. 2) Not tested given that in the worst case (load = 0 Ohm i.e. short circuit on the output) the peak dissipated power remains low (< 2 Watts) 3) Frequency bandwidth and phase shift modelling schematic can be provided on request. 4) Referring to the main phase offset of 90 ° (a Rogowski coil is a derivative current transducer) 5) Considering a primary conductor of at least ? 15 mm, perpendicular and in contact with the Rogowski coil. 6) Considering an external conductor of at least ? 15 mm the same current level than internal conductor, perpendicular and in contact with the Rogowski coil.  

Read more less

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

Read more less

LEM PCM 10-P/SP1 Series Closed Loop Bipolar DC Hall Effect Sensor for Point System Monitoring, Bipolar 4-20mA Output Features Closed loop sensor using Hall Effect Panel mounting Split core design for easy installation Insulated plastic case to UL 94-V0 Water resistant design rated to IP 67 Reverse polarity protected 2M flying leads Advantages Very good linearity Excellent accuracy Current overload capability No insertion losses. Non - contact measurement (does not need a safety case) Applications Railway equipment Points condition monitoring Signal light indication Battery supplied applications Uninterruptable Power Supplies (UPS). Specification LEM Part Number PCM 10-P/SP1 Technology Closed Loop Hall Effect ROHS Yes Supply Voltage 24V Aperture ø15.6mm Load Current (RMS + DC) 10 Amp Measuring Range +/- 20 Amp Overload Capacity (Ampere Turns) 30000 Amp Output 4-20mA Standards EN 50121-59EMC),EN 50155(temperature and humidity),EN61010-1/2 (safety) Bandwidth DC-1000Hz Mounting Style Panel Mount Operating Temperature Range -25°C / 70°C (55°C Continuous) Accuracy 0.5% Termination Style Switchcraft EN3L4M connector with 2M Flying Leads Unit Weight 120g Factory Pack Qty 4   Datasheet Product Datasheet Application Notes FAQ

Read more less

LEM DVL 500 Digital Voltage Transducer, Vpn = 500V, 50mA output, +/-15...24VDC powered, 8.5kV Isolation Features Bandwidth DC to 14kHz Digital Transducer (ASIC based) Closed loop transducer using Hall effect 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 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 DVL 500 Technology Closed Loop Hall Effect Aperture No Aperture ROHS Yes Supply Voltage +/-15..24 VDC Bipolar, Isolated Primary Nominal Voltage (RMS + DC) +/- 500V Measurement Range +/- 750V Output 50 mA @Vpn Isolation 8.5 kV Bandwidth DC-14 kHz Mounting Style Panel Mount Operating Temperature Range -40°C / 70°C Accuracy 1% Termination Style M5 Screw Unit Weight 270g Factory Pack Quantity 4   Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition  

Read more less