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EM4T II | Railway & Electric Traction Energy Meter | LEM

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EM4T II | Railway & Electric Traction Energy Meter | 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 : EM4TII EM4T II Energy meter EM4T II (Energy Meter For Traction) - the second generation of universal on-board energy meters for all international rail networks.

Distributor List Contact Sales The universal on-board energy meters for international rail networks LEM has upgraded the second generation of universal energy meters for electric traction units with authorization for billings: the EM4T II series.

In its basic single-phase version, the EM4T II+ energy meter can be used in all existing rail networks (600V to 3000V DC, 15kV / 16,7Hz and 25kV / 50Hz AC). It is a multi-network energy meter able to measure energy on both AC and DC and can therefore be used for cross-border traffic.

The EM4T II+ complies with requirements of EN 50463-x:2017 & EN 50155 standards for metering and on-board use. The older EM4TII complies with EN 50463-x:2012 and will be available for ongoing projects and repair. The input variables (current and voltage) are connected to the EM4T II series measuring circuits via differential input designed for connection of all current sensors and voltage sensors / transformers currently available on the market.

The energy values are collected and stored in load profiles (CEBD Data). The measured data recordings contain details such as date, time, events such as network change, train numbers, frequency… 

The EM4T II+ is available in accuracy class 0,5R. 

EM4TII – Features and benefits Main characteristicsAccuracy Can be utilized with power supplies (24V and 110V DC nominal)4 input channels for metering of both AC and DC signals of any existing traction network (600V DC to 3kV DC, 15kV AC 16,7Hz, 25kV AC 50Hz)Data recording according to EN 50463-x: EM4TII 2012 / EM4TII+ 2017Measurement of consumed and regenerated active and reactive energyTimeframe for storing the load profiles between 1 to 15 minutesRS232, RS422 or RS485 type interface for data communication (via modem or local (protocol IEC 62056-21))Input for GPS receiver (option)IP 65Typical applicationsEM4TII energy meters are exclusively designed for the following rail applications: 

On-Board Traction EM4TII Block Diagram

EM4T II (Energy Meter For Traction) – Standards compliance EM4TIIEN 50463-xEN 50155 EN 50121-3-2EN 61373EN 50124-1IEC 62056-21  LEM EM4TII – Download & Technical Characteristic ProductDocumentSupply rangeOp. TemperatureEM4TII AC-MS DC-MS +XPS 110VDC, RS232Manual72 to 100-40 to 75°C 

EM4T II Meters – 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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