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LAH Series | Designed for Full PCB Integration | LEM

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LAH Series | Designed for Full PCB Integration | LEM Skip to main content EN JP CN EN JP CN Check Stock Career Investors Contact Products Applications Support About Lem Search Current Sensors 45-90 A 90-180 A 187.5-375 A 375-750 A 750-1500 A 1500-3000 A 3000-6000 A 6000-12000 A 12000-24000 A Other value All Current Sensors Voltage Sensors 25-50 V 50-100 V 100-200 V 200-400 V 400-800 V 800-1600 V 1600-3200 V 3200-6400 V All Voltage Sensors Integrated Current Sensors GO Series HMSR Series GXS Series GXN Series GXM Series All Integrated Current Sensors Rogowski Coil ART Series ARU Series ARH Series INTEGRATORS FOR ROGOWSKI COILS Energy Meters DCES DCBM 400 & 600 DCBM 100 TEMA4G EM4T II All Energy Meters Automotive Battery Management EV Chargers Automotive Motor Control Smart Grid Welding Automation Drives High Precision Power Supplies Renewable Energies Trackside Traction After Sales & RMA Merchandize authorization RMA Categories All after sales and RMA Downloads Application Notes Brochures Certificates All Downloads Technical FAQs General All Technical FAQs Company Information History Board of Directors & Committees Organization Values Compliance Sustainability Our locations All Company Information Quality & Environment Quality Environment All Quality & Environment Our partners Become a LEM Supplier Our general terms & conditions Our distributors News & Events All News & Events What do you need ? Product information Check Stock Global information GO EN JP CN EN JP CN Products Current Sensors Voltage Sensors Integrated Current Sensors Rogowski Coil Energy Meters Applications Automotive Battery Management EV Chargers Automotive Motor Control Smart Grid Welding Automation Drives High Precision Power Supplies Renewable Energies Trackside Traction Support After sales and RMA Downloads Technical FAQs About Lem Company Information Quality & Environment Suppliers News & Events Check Stock Career Investors Contact What do you need ? Product information Check Stock Global information GO Home lem_current_page : LAH Series LAH Series DC, AC pulse currents' measurements of 8, 12, 25, 50, 100 & 125 ARMS nominal with galvanic isolation

Order now Distributor List Contact Sales LAH - Current sensors The LAH product series is designed to facilitate the measurement of DC, AC, and pulse currents with nominal values of 8, 12, 25, 50, 100, and 125 ARMS, providing galvanic isolation.

LAH current sensors offer impressive features, including excellent accuracy, rapid response times, a compact design, and an integrated primary conductor. These transducers are specifically designed for PCB mounting, both for the primary and secondary circuits.

The LAH 25-NP part introduces additional versatility with its ability to manage multi-ranges. 

The LAH current sensor series operates on closed-loop Hall effect technology, ensuring reliable and accurate current measurements in industrial applications.

LAH – Features and benefits Main characteristicsClosed loop (compensated) current transducer using the Hall effectPrinted circuit board mountingInsulating plastic case recognized according to UL 94-V0 (excepted on LAH 125-P)BenefitsExcellent accuracyVery good linearityLow temperature driftOptimized delay timeWide frequency bandwidthNo insertion lossesHigh immunity to external interferenceCurrent overload capabilityTypical applicationsLAH sensors, with their capability to measure DC, AC, and pulse currents, find common usage in various industrial applications. Some examples of these applications include:

AC variable speed drives and servo motor drivesStatic converters for DC motor drivesBattery supplied applicationsUninterruptible Power Supplies (UPS)Switched Mode Power Supplies (SMPS)Power supplies for welding applications LEM LAH – Download & Technical Characteristic Product

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DocumentPrimary nominal RMS currentSupply Voltage rangeOp. TemperatureLAH 25-NP

Datasheet
3D8 A, 12 A, 25 A12 to 15-25 to 85°CLAH 50-P

Datasheet
3D50 A12 to 15-25 to 85°CLAH 50-P/SP1

Datasheet50 A12 to 15-25 to 85°CLAH 100-P

Datasheet
3D100 A12 to 15-25 to 85°CLAH 125-P

Datasheet
3D125 A12 to 15-40 to 85°C LAH Sensors – ASK FOR SAMPLES / QUOTATIONS Looking to receive samples or a quotation? Please click on the contact button below and provide us with the information you need on this product series. Our sales team will get back to you shortly.

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