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Catalog excerpts
![NT538 - 1](https://img.directindustry.com/pdf/repository_di/37310/nt538-318983_1m.jpg)
NT538 CE Temperature control system for electric unit Temperature monitor unit mainly dedicated to dry type transformers and motors. Foreseen for 8 RTD inputs. Sistema di controllo della temperatura Centralina dedicata al controllo della temperature di trasformatori a secco e motori. Prevista per l’ingresso fino a 8 sonde. di macchine elettriche Options: NT538-Ni 120/100 input from RTD Ni 120/100 NT538-CU10 input from Cu10 sensor NT538-40+200 special range at -40 + 200 °C NT538 RINA (approval for naval application) Universal power supply: with input from 24 to 240 Vac-dc Opzioni: NT538-Ni 120/100 ingresso da RTD Ni100 e Ni120 NT538CU10 ingresso da RTD Cu10 NT538-40+200 versione con range di lettura da -40 a + 200 °C NT538 Certificazione RINA Alimentazione universale: da 24 a 240 Vca-cc. Other versions / Versioni particolari • NT538 ModBus inside Unit with RS485 ModBus output Centralina con uscita seriale RS485 ModBus • NT538 + BusMod 8A Unit with external module for RS485 ModBus output. Centralina con uscita seriale RS485 ModBus tramite modulo esterno. • NT538 analog output 4-20 mA inside Unit with one analog output. Centralina con una uscita analogica. • NT538 + CONV420 8/A Unit with external module for 8 analog outputs. Centralina con modulo esterno per 8 uscite analogiche. • NT538 + MODRL 8/A Unit + external module with separate alarm and trip relays for each individual channel. Centralina + modulo esterno con relay di allarme e sgancio separati per ogni singolo canale. ST538 + ST CONV. 08/A: temperature monitor system with wiring cable reduction (2 wires Pt100 connection). ST538 + ST CONV. 08/A: sistema di controllo della temperatura a cablaggio ridotto (2 fili Pt100). www.tecsystem.it 19
Open the catalog to page 1![NT538 - 2](https://img.directindustry.com/pdf/repository_di/37310/nt538-318983_2m.jpg)
NT538 Connecting diagram with the external modules Schema di collegamento tra NT538 e i differenti moduli esterni opzionali BUSMOD 8-A: external module for RS 485 ModBus output. BUSMOD 8-A: modulo esterno per uscita digitale RS 485 ModBus. MODEL BUSMOD-8A ELECTRICAL CONNECTIONS CONV 8/420-A: external module for 8 analogue output 4-20mA. CONV 8/420-A: modulo esterno per 8 uscite analogiche 4-20 mA. MODULE CONV420-8 ELECTRICAL CONNECTIONS MOD RL8/A: External module with 8 alarm and trip relays separated for each individual channel. MOD RL8/A: Modulo esterno con 8 relay di allarme e sgancio...
Open the catalog to page 2![NT538 - 3](https://img.directindustry.com/pdf/repository_di/37310/nt538-318983_3m.jpg)
NT538 TECHNICAL SPECIFICATIONS SPECIFICHE TECNICHE POWER SUPPLY Rated values: 24-240 Vac-dc Vdc with reversible polarity Vdc ALIMENTAZIONE Valori nominali: 24-240 Vca-cc Vcc con polarità invertibili INPUTS 8 inputs RTD Pt100—3 wires Removable rear terminals Input channels protected against electromagnetic noises and spikes Sensor length cable compensation up to 500 m (1 mm2) INGRESSI 8 ingressi RTD Pt100 a tre fili Collegamenti su morsettiere estraibili Canali ingresso protetti contro i disturbi elettromagnetici Compensazione cavi per termoresistenze fino a 500 m (1mm2) OUTPUTS 2 alarm...
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