{"product_id":"beckhoff-el3443-ethercat-power-measurement-terminal","title":"BECKHOFF EL3443 EtherCAT Power Measurement Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe BECKHOFF EL3443 is a 3-channel analog input EtherCAT Terminal optimized for precise 3-phase power measurement and mains analysis. Capable of handling voltages up to 480 V AC\/DC and currents up to 1 A AC\/DC directly or via measuring transformers, it delivers precise data acquisition with 24-bit resolution. This terminal functions as a comprehensive tool for monitoring energy usage, calculating electrical performance metrics, and assessing overall power grid quality.\u003c\/p\u003e\n\u003cp\u003eBeyond basic current and voltage measurements, the BECKHOFF EL3443 calculates active, reactive, and apparent power, as well as active, reactive, and apparent energy. Additional diagnostic values include the phase angle (cos phi), frequency, Total Harmonic Distortion (THD), and individual harmonics up to the 40th harmonic. These integrated capabilities enable complete grid and load tracking without the need for auxiliary measuring instruments.\u003c\/p\u003e\n\u003cp\u003eFor system safety and communication integrity, the terminal features 2500 V electrical isolation between the field-side measurement circuits and the internal E-bus. Integrated monitoring functions cover phase order, phase failure, phase asymmetry, and configurable undervoltage or overvoltage thresholds. Precise zero-voltage crossing detection is also featured for applications demanding accurate synchronization.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3-phase power measurement for AC and DC industrial grids\u003c\/li\u003e\n  \u003cli\u003eDirect voltage measurement up to 480 V AC 3-phase (line-to-neutral up to 277 V AC or 240 V DC)\u003c\/li\u003e\n  \u003cli\u003eCurrent measurement up to 1 A AC\/DC, optimized for standard current transformers\u003c\/li\u003e\n  \u003cli\u003eHigh-resolution 24-bit analog-to-digital signal conversion\u003c\/li\u003e\n  \u003cli\u003eCalculates active, reactive, and apparent power\/energy, THD, and harmonics up to the 40th\u003c\/li\u003e\n  \u003cli\u003eIntegrated diagnostic monitoring for phase failure, phase order, asymmetry, and over\/undervoltage\u003c\/li\u003e\n  \u003cli\u003eHighly precise zero-crossing detection for voltage signals\u003c\/li\u003e\n  \u003cli\u003eElectrical isolation of 2500 V to protect downstream EtherCAT devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial energy management and sub-metering systems\u003c\/li\u003e\n  \u003cli\u003eMains quality monitoring and harmonic analysis in production plants\u003c\/li\u003e\n  \u003cli\u003eCondition monitoring and load analysis of electrical drives and motors\u003c\/li\u003e\n  \u003cli\u003ePower profiling and peak-shaving optimization in automation networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003eGeneral\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eBECKHOFF\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel\u003c\/td\u003e\n      \u003ctd\u003eEL3443\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eEtherCAT Terminal\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n      \u003ctd\u003e3 x current, 3 x voltage\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTechnology\u003c\/td\u003e\n      \u003ctd\u003e3-phase power measurement\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eElectrical Data\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMeasuring Voltage\u003c\/td\u003e\n      \u003ctd\u003eMax. 480 V AC 3-phase (UL X-N: max. 277 V AC \/ 240 V DC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMeasuring Current\u003c\/td\u003e\n      \u003ctd\u003eMax. 1 A (AC\/DC), via external current transformers (x A \/ 1 A)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eResolution\u003c\/td\u003e\n      \u003ctd\u003e24-bit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMeasuring Error\u003c\/td\u003e\n      \u003ctd\u003e0.3% relative to full scale (U\/I), 0.6% calculated value\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eUpdate Interval\u003c\/td\u003e\n      \u003ctd\u003eOne mains period (20 ms at 50 Hz)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n      \u003ctd\u003e2500 V\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eCommunication and Power\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBus Interface\u003c\/td\u003e\n      \u003ctd\u003eE-bus (EtherCAT)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCurrent Consumption E-bus\u003c\/td\u003e\n      \u003ctd\u003eTyp. 120 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCurrent Load Power Contacts\u003c\/td\u003e\n      \u003ctd\u003eMax. 10 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eMechanical and Connection\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n      \u003ctd\u003e12 mm x 100 mm x 68 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWeight\u003c\/td\u003e\n      \u003ctd\u003eApprox. 75 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWiring Connection\u003c\/td\u003e\n      \u003ctd\u003eSpring actuation (cage clamp)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSolid Conductor Cross-section\u003c\/td\u003e\n      \u003ctd\u003e0.08 to 2.5 mm² (AWG 28...14)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStranded Conductor Cross-section\u003c\/td\u003e\n      \u003ctd\u003e0.08 to 2.5 mm² (AWG 28...14)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConductor Cross-section with Ferrule\u003c\/td\u003e\n      \u003ctd\u003e0.14 to 1.5 mm² (AWG 26...16)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStripping Length\u003c\/td\u003e\n      \u003ctd\u003e8 to 9 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMounting\u003c\/td\u003e\n      \u003ctd\u003e35 mm DIN rail (EN 60715)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eEnvironmental\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n      \u003ctd\u003e-25 to +60 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStorage Temperature\u003c\/td\u003e\n      \u003ctd\u003e-40 to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelative Humidity\u003c\/td\u003e\n      \u003ctd\u003e95%, non-condensing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVibration\/Shock Resistance\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProtection Class\u003c\/td\u003e\n      \u003ctd\u003eIP20\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApprovals\/Markings\u003c\/td\u003e\n      \u003ctd\u003eCE\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure the entire industrial control cabinet is fully de-energized before mounting, wiring, or configuring the system.\u003c\/li\u003e\n  \u003cli\u003eInspect the BECKHOFF EL3443 housing and spring-clamp connectors for visual damage prior to mounting.\u003c\/li\u003e\n  \u003cli\u003eMount the terminal onto a standard 35 mm DIN rail (EN 60715) by snapping it into place until the locking mechanism engages securely.\u003c\/li\u003e\n  \u003cli\u003eEnsure proper side-by-side alignment, establishing reliable E-bus contacts and power contact connections with adjacent EtherCAT Terminals.\u003c\/li\u003e\n  \u003cli\u003eConnect the voltage and current transformer wiring to the designated spring-clamp connection points, matching Phase L1, L2, and L3 configurations carefully.\u003c\/li\u003e\n  \u003cli\u003eConfigure the terminal parameters (such as transformer ratio settings and monitoring limits) inside TwinCAT System Manager before initiating system startup.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106504270187,"sku":"EL3443","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el3443-z5brxd2srgg.png?v=1776244491","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-el3443-ethercat-power-measurement-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}