Selected parameters FUNCTION Energy Meters MOUNTING DIN-rail and Panel POWER SUPPLY Self power supply OUTPUT DIGITAL INPUT DC/AC output (Opto Mosfet) INPUT TYPE 3-phase AC CONNECTION CT/VT COMMUNICATION None Others RANGE 400VLL AC Current Sensor 250A DISPLAY 6+1 DGT VARIABLES W, var, PF, Hz, Phase-sequence DIGITAL INPUTS none PULSE 1 ALARMS none ANALOGUE none
EEMn21e7r2Vgy Management Energy Meter Type EM21 72V • Easy connections management • Detachable display • Multi-use housing: for both DIN-rail and panel mount- ing applications • Equivalent to Class 1 (kWh) of EN62053-21 • Equivalent to Class 2 (kvarh) of EN62053-23 • Accuracy ±0.5% RDG (current/voltage) • Energy meter • Instantaneous variables readout: 3 DGT • Energies readout: 7 DGT • System variables: W, var, PF, Hz, Phase-sequence. • Single phase variables: VLL, VLN, A, PF • Energy measurements: total kWh and kvarh • TRMS measurements of distorted sine waves (volt- ages/currents) • One pulsating output (opto-mosfet) • RS485 serial output (on request) (MODBUS-RTU), iFIX SCADA compatibility • Self-power supply • Dimensions: 4-DIN modules and 72x72mm • Protection degree (front): IP50 • Application adaptable display and programming pro- cedure (Easyprog function) Product Description How to orderEM21 72V MV5 3 X O X X Three-phase energy meter with removable front LCD display unit. The same unit canbeusedeitherasa DIN-rail mountingorpanel mountingenergymeter. This general purpose three- phase energy meter is suit- able for both active and reactive energy metering for cost allocation but also for main electrical parameter measurement and retrans- mission (transducer func- tion). Housing for DIN-rail mountingwithIP50(front) protection degree. Current measurementscarriedout by means of external split- corecurrentsensorswith 0.333V outputwhilevolt- age measurements carried out either by means of direct connection or by means of potential trans- formers.EM21-72V is pro- vided,as standard,witha pulsating output for active energy retransmission. In addition the 2-wire RS485 communication port is available as an option. Model Range code System Power supply Output 1 Output 2 Option Type Selection Range codes MV5:230/400VLL AC - 0.333V (current sensor connection) MV6:120/230VLL AC - 0.333V (VT/PT and current sensor connection) System 3: balanced and unbalanced load: 3-phase, 4-wire 3-phase, 3-wire 2-phase, 3-wire 1-phase, 2-wire Power supply X:Self power supply from 18V to 260VAC VLN, 45 to 65 Hz Options X: None Output 1 O:Single static output (opto-mosfet) Output 2 X: None S: RS485 port Specifications are subject to change without notice EM2172V DS ENG1112131
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