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NT538 AD

NT538 AD

NT538 AD

Product catalog summary
Overview: The NT538 AD is an electronic microcontroller-based unit designed for temperature monitoring of electric motors and medium voltage (MV) dry type/cast resin transformers. It features 8 input channels and multiple programming options, offering flexibility for various applications.
Key Features:
  • Equipped with a dual display and VOTING function.
  • Includes a high-performance microcontroller for enhanced operational capacity and data management.
  • Provides analog (4-20mA) and digital (RS485 Modbus) outputs.
  • Features 8 inputs for PT100 sensors, with additional sensor inputs available in the 2016 edition.
  • Includes 5 dry contact relay outputs for ALARM, TRIP, FAULT, and fan control (FAN1 and FAN2).
Certifications and Options:
  • Available with certifications for the American and Canadian markets, as well as for marine applications.
  • Units can be supplied with a special coating for resistance to harsh weather conditions, particularly in tropical climates.
  • Universal power supply ranging from 24 to 240 Vac-dc.
  • Basic version available without digital or analog outputs.
Display and Data Management:
  • Features two 13 mm displays with 3 digits for temperature, messages, and channel display.
  • Includes LEDs for alarm status and fan operation.
  • Temperature monitoring range from 0°C to 240°C.
  • Alarm and TRIP thresholds for each channel, with common ON-OFF thresholds for fan control.
  • Diagnostic features for sensors and data storage.
  • Automatic and manual channel scanning options.
  • Alarm reset button and voting function for enhanced safety.
Technical Specifications:
  • Dimensions: 100 x 100 mm, depth 131 mm, panel cut-out 92 x 92 mm.
  • Inputs: 8 RTD PT100 3-wire inputs, protected against electromagnetic interference.
  • Outputs: 2 alarm relays, 2 fan control relays, 1 fault relay, with a capacity of 10A-250 Vac.
  • Compliance with CE rules and protection against electromagnetic noise.
  • Operating temperature: -20°C to +60°C, humidity up to 90% non-condensing.
  • Self-extinguishing housing and IP65 polycarbonate front film.
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Catalog excerpts

NT538 AD-1

microcontrollore per il controllo termico di motori elettrici e trasformatori MT incapsulati in resina e a secco, la centralina NT538AD, grazie agli 8 canali in ingresso e alle varie possibility di programmazione, garantisce una grande flessibilita di utilizzo in molteplici applicazioni. Costruita con il layout e i plus della Nuova Piattaforma (doppio display, funzione VOTING, microcontrollore piu performante con aumento della capacity operativa e di gestione dei dati), la NT538 AD mette a disposizione dell'utente in un unico prodotto, le uscite: E equipaggiata con 8 ingressi temperatura per sonde PT100 e grazie alla versatility dell'edizione 2016, altri ingressi sonde possono essere disponibili. Dotata di 5 uscite con rele a contatto pulito, pre-allarme e sgancio (ALARM e TRIP), segnalazione anomalia di funzionamento (FAULT) e azionamento sistema di ventilazione (FAN1 e FAN2). A richiesta la centralina puo essere certificata per il mercato americano e canadese, nonche per applicazioni navali. Tutte le nostre centraline possono essere fornite tropicalizzate, ovvero resistenti a situazioni climatiche difficili, in particolare caratterizzate da temperatura e tasso di umidita elevati (quali si trovano, appunto, nei climi tropicali). - NT538 BASIC centralina base senza uscite digitali o analogiche - NT538 BASIC EN50121-5 centralina base (cod. 1CN0210). Electronic microcontroller based unit for the temperature monitoring of electric motors and MV dry type/cast resin transformers, the NT538AD, due to the 8 input channels and the multiple programming options, grants a great flexibility of use in many applications. Developed with layout and advantages of the new technology platform (dual display, VOTING function, new microcontroller with increased operational capacity and data management), the NT538 AD provides the user, in a single product, the outputs: It is equipped with 8 inputs for PT100 sensors and thanks to the versatility of the edition 2016, other sensor inputs are available. It is equipped with 5 dry contact relay outputs, ALARM and TRIP, FAULT for working anomalies and drive of FAN1 and FAN2 cooling system. On request, the unit is available with certification for Canadian and American market c(5l)iis, as well as for marine applications. All our units can be supplied with a special coating on the electronic cards, resistant to difficult weather conditions, particularly characterized by high temperature and humidity (which are in tropical climates). UNIVERSAL POWER SUPPLY With input from 24 to 240 Vac-dc. OTHER VERSIONS - NT538 BASIC unit without any outputs such as Analog or Digital (cod. 1CN0156). Ascolta, Realizza, Propone, Progetta. Listen, Realize, Propose, Design.

 Open the catalog to page 1
NT538 AD-2

• Valori nominali 24-240 Vca-cc • 8 ingressi RTD PT100 a tre fili (sezione max 1,5 mm2) • Collegamenti su morsettiere estraibili • Canali ingresso protetti contro i disturbi elettromagnetici • Compensazione cavi per sonde fino a 500 m (1 mm2) • 2 rele di allarme (ALARM-TRIP) • 2 rele di gestione ventilazione (FAN1 e FAN2) • 1 rele guasto sonde o anomalia funzionamento (FAULT) • Rele di uscita con contatti da 10A-250 Vca-res COS$=1 • Costruzione in accordo alle normative CE • Protezione contro disturbi elettromagnetici CEI-EN61000-4-4 • Rigidita dielettrica: 1500 Vca per 1 minuto tra rele di uscita...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.