Nemo D4-L
Nemo D4-L
- Voltage Range: Three-phase 50-450V, Single-phase 30-260V.
- Current Input: Dedicated CTs, programmable ratio 1-9999.
- Energy Accuracy: Active energy class 1, reactive energy class 2.
- Power Measurement: Active, reactive, and apparent power with demand and max demand tracking.
- Display: LCD backlit with automatic contrast adjustment and manual scanning of measurement pages.
- RS485: Galvanically isolated, supports JBUS/MODBUS protocol, up to 255 devices with repeaters.
- Ethernet: Available with additional interface modules.
- Operating Temperature: -5 to 55°C.
- Storage Temperature: -25 to 70°C.
- Protection: IP52 front, IP20 terminals.
- Mounting: 4 DIN modules, suitable for 35mm rail.
- Material: Self-extinguishing polycarbonate.
- Phase Sequence Correction: Detects and corrects connection issues.
- Energy Pulses: Configurable pulse output for energy monitoring.
- Auxiliary Supply: 230V AC, 50Hz.
- Galvanically insulated from input and auxiliary supply.
- Standard: RS485 - 3 wire.
- Transmission: Serial asynchronous.
- Protocol: Compatible with JBUS/MODBUS.
- Address range: 1 to 255.
- Bit number: 8, Stop bit: 1, Parity bit: none/even/odd.
- Time-out: 3 to 100ms.
- Baud rate: 9600 to 19200 bit/seconds.
- Required response time: ≤ 200ms.
- Meters on bus: 32 (up to 255 with RS485 repeater).
- Maximum distance from supervisor: 1200m.
- Can be carried out with m IF2E or IF4E (RS485/Ethernet) interface.
- Installation category: III.
- Pollution degree: 2.
- Insulation voltage rating: 300V Phase/Neutral.
- Emission: EN 61326-1 class B.
- Immunity: EN 61326-1.
- Reference temperature: 23°C ± 2°C.
- Operating range: -5 to 55°C.
- Storage/transport range: -25 to 70°C.
- Variation to class index: ≤ 0.1% /°C.
- Suitable for tropical climates.
- Max. power dissipation: ≤ 6.8W.
- Housing: 4 moduli DIN 43880.
- Mounting: Snap-on 35mm rail.
- Rail type: Top hat TH35-15 (EN60715).
- Material: Self-extinguishing polycarbonate.
- Protection degree: IP52 front frame, IP20 terminals.
- Weight: 285 grams.
- Voltage test: 1.2/50μs 0.5J.
- Alternating voltage: r.m.s value 50Hz 1min.
- Supply/Voltmetric inputs: 3kV.
- Measure inputs/RS485 Communication: 3kV.
- Measure inputs/Pulse output: 3kV.
- All circuits and earth: 4kV.
- Measure input: Rigid cable min.0.05mm²/max. 4.5mm², Flexible cable min.0.05mm²/max. 2.5mm², Tightening torque: 0.5 - 0.8Nm.
- Current input: Rigid cable min.0.05mm²/max. 6mm², Flexible cable min.0.05mm²/max. 4mm², Tightening torque: 0.5 - 0.8Nm.
- Auxiliary supply: Rigid cable min.0.05mm²/max. 4.5mm², Flexible cable min.0.05mm²/max. 2.5mm², Tightening torque: 0.5 - 0.8Nm.
- Output: Rigid cable min.0.05mm²/max. 4.5mm², Flexible cable min.0.05mm²/max. 2.5mm², Tightening torque: 0.5 - 0.8Nm.
- Wiring diagrams show configurations with pulse output and RS485 interface. If these features are not present, corresponding terminals should not be considered.
Catalog excerpts
MULTIMISURA MULTIMETERING Strumento multifunzione per reti bassa tensione 4 moduli Linea trifase 50...450V (fase - fase) Linea monofase 30...260V Inserzione su TA dedicati Rapporto TA e TV esterni programmabile Energia attiva cl.1 Diagnostica, correzione sequenza fasi Uscita impulsi Comunicazione RS485 Interfacce esterne: Comunicazione Ethernet (NT809 - NT891) Network monitor for low voltage 4 module Three-phase network 50...450V (phase - phase) Single-phase network 30...260V Connection with dedicated CT Programmable external CT - VT ratio Active energy cl.1 Phase sequence correction, diagnostic Pulse output RS485 communication External interfaces: Ethernet communication (NT809 - NT891) Tensione concatenata Tensione di fase e concatenata Phase linked voltage Phase and linked voltage Corrente valore corrente Corrente media e valore max. corrente media Current current Current demand and current max. demand Corrente di fase e di neutro Corrente neutro Phase and neutral current Phase neutral current Frequenza Frequenza Frequency Frequency Fattore potenza Fattore di potenza Power factor Power factor Potenza attiva, reattiva apparente Potenza attiva, reattiva apparente power Active, reactive Active, reactive phase power Potenza Potenza media e valore potenza valore max. potenza media Power Power demand and power power max. demand Energia attiva e reattiva Energia attiva reattiva Active and reactive energy Active reactive energy Energia attiva parziale Energia attiva parziale Partial active energy Partial active energy 3N3E Ore e minuti di funzionamento Ore funzionamento Working hours and minutes Working minutes Diagnostica, correzione sequenza fasi Diagnostica, correzione Phase sequence correction, Phase sequence correction, diagnostic
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MODELLO MODEL LINEA NETWORK Monofase / Single-phase CONNESSIONE CONNECTION Trifase, carico equilibrato Three-phase, balanced load Trifase, carico squilibrato Three-phase, unbalanced load DIAGNOSTICA, CORREZIONI SEQUENZA FASI / PHASE SEQUENCE CORRECTION, DIAGNOSTIC COMUNICAZIONE USCITE VISUALIZZAZIONE INGRESSO COMMUNICATION OUTPUT DISPLAY INPUT VALORI NOMINALI RATED VALUE INGRESSO CORRENTE INPUT CURRENT RAPPORTO PROGRAMMABILE PROGRAMMABLE RATIO ENERGIA ATTIVA ACTIVE ENERGY ENERGIA REATTIVA REACTIVE ENERGY TENSIONE VOLTAGE CORRENTE CURRENT FATTORE DI POTENZA POWER FACTOR POTENZA...
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CODICI CODE VISUALIZZAZIONE Tipo display: cristallo liquido retroilluminato Riduzione automatica della retroilluminazione, dopo 20 sec. di inattivita della tastiera Visualizzazione misure: suddivisa in differenti pagine, con scansione manuale Punti di lettura: 10-000 (4 cifre) Conteggio energia: numeratore 8 cifre Unita ingegneristica: visualizzazione automatica in funzione dei rapporti TA e TV impostati Risoluzione: automatica, con il maggior numero di decimali possibili Punto decimale: automatico, con la maggior risoluzione possibile Aggiornamento lettura: 1,2 secondi Contaore: ore e minuti...
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CORRENTE MEDIA - POTENZA MEDIA CURRENT DEMAND - POWER DEMAND Visualizzazione: corrente e potenza media, valore max. corrente e potenza media Display: Current and maximum demand, current and peak max. demand Valori selezionabili: 5/8/10/15/20/30/60 minuti Potenza selezionabile: attiva reattiva, apparente Tempo di media: unico per corrente e potenza Calcolo: media fissa sul periodo selezionato Power selectable: active or reactive or apparent power Average period: only for current and power Calculation: fixed average, on the period selectable Azzeramento valore massimo: manuale, da tastiera Peak...
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PORTATA MORSETTI TERMINAL CAPACITY INGRESSO MISURA Cavo rigido: min.0,05mm2 / max. 4,5mm2 Cavo flessibile: min.0,05mm2 / max. 2,5mm2 Coppia serraggio consigliata: 0,5 - 0,8Nm INGRESSO CORRENTE Cavo rigido: min.0,05mm2 / max. 6mm2 Cavo flessibile: min.0,05mm2 / max. 4mm2 Coppia serraggio consigliata: 0,5 - 0,8Nm ALIMENTAZIONE AUSILIARIA Cavo rigido: min.0,05mm2 / max. 4,5mm2 Cavo flessibile: min.0,05mm2 / max. 2,5mm2 Coppia serraggio consigliata: 0,5 - 0,8Nm USCITE Cavo rigido: min.0,05mm2 / max. 4,5mm2 Cavo flessibile: min.0,05mm2 / max. 2,5mm2 Coppia serraggio consigliata: 0,5 - 0,8Nm POSIZIONE...
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La I.M.E. S.p.A. si riserva in qualsiasi momento, di modificare le caratteristiche tecniche senza darne preavviso. / I.M.E. S.p.A. reserves the right, to modify the technical characteristics without notice. SCHEMI D’INSERZIONE WIRING DIAGRAMS INPUT CURRENT INPUT VOLTAGE Linea trifase 4 fili • Three-phase network 4-wire Linea monofase • Single-phase network OUTPUT CURRENT INPUT VOLTAGE Linea trifase 3 fili • Three-phase network 3-wire NOTA Negli schemi sono sempre indicate le configurazioni con uscita impulsi e comunicazione RS485. Nelle versioni che non prevedono uscita impulsi o comunicazione...
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