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NT511

NT511

NT511

Product catalog summary
Overview: The NT511 is a microprocessor-based electronic device designed for temperature monitoring and control of cast resin transformers, including the management and protection of the ventilation system. It is intended to be mounted directly on the transformer box and features a large display for managing temperature thresholds and fan control.
Specifications:
  • Power Supply: 230 VAC ±10% 50/60Hz.
  • Inputs: 4 RTD Pt100 sensors (3-wire) with removable rear terminals, protected against electrical and magnetic noise, with cable compensation up to 500 m.
  • Outputs: 2 alarm relays (ALARM-TRIP), 6 fan outputs (230VAC 50/60Hz, protected by 2 Amp fuse), 1 fault relay for sensor anomalies.
Test and Performance:
  • CE compliant assembly with protection against electrical noise (CEI-EN 61000-4-4).
  • Dielectric strength of 2500 Vac for 1 minute.
  • Accuracy of ±1% vfs, ±1 digit.
  • Operating temperature range: -20°C to +60°C, humidity up to 90% non-condensing.
  • Data storage for a minimum of 10 years.
Display and Data Management:
  • Temperature and programming parameters displayed in °C.
  • LED indicators for display mode, alarm status, motor status, program mode, and manual fan operation.
  • Temperature monitoring from 0°C to 200°C with two alarm thresholds.
  • Diagnostic features for sensors and data memory.
  • Automatic or manual channel scanning options.
  • Front panel alarm reset key.
Dimensions: Width 210mm, Height 260mm, Depth 85mm, Panel cut-out 182x232 mm.
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Catalog excerpts

NT511-1

NT511 NEWS CE Fan and temperature control unit for dry type transformers The NT511 is an electronic microprocessor based device for the temperature monitoring of cast resin transformers, included the control and protection of the ventilation system. Unità di controllo temperatura e ventilazione per trasformatori a secco. La NT511 è un dispositivo elettronico a microprocessore dedicato al controllo termico di trasformatori, completo di comando e protezione del sistema di ventilazione. The controller is designed to be mounted directly on the transformer box; with a large display for visualization and management of the temperature thresholds (alarm and fan). It’s equipped with 4 inputs for PT100 sensors (3 wire) and is able to drive and monitor directly from 1 to 6 fans. La centralina è predisposta per essere montata direttamente sul box del trasformatore, è dotata di un ampio display per la visualizzazione e la gestione delle temperature e delle soglie di allarme e di controllo della ventilazione. Dispone di 4 ingressi per sonde PT100 a 3 fili ed è in grado di alimentare e monitorare direttamente il funzionamento di 1 - 6 ventilatori. Power supply: 230 Vac ± 10% 50/60 Hz Alimentazione: 230 Vca ± 10% 50/60 Hz 10 www.tecsystem.it

 Open the catalog to page 1
NT511-2

NT511 TECHNICAL SPECIFICATIONS SPECIFICHE TECNICHE POWER SUPPLY Rated voltage: 230VAC ±10% 50/60Hz ALIMENTAZIONE Valori nominali: INPUTS 4 inputs RTD Pt100 sensors – 3 wires Removable rear terminals Input channels protected against electrical and magnetic noises and spikes Sensors length cables compensation: up to 500 m (1 mm2) INGRESSI 4 Ingressi per sonde PT100 a 3 fili Collegamenti su morsettiere estraibili Canali di ingresso protetti contro i disturbi elettromagnetici Compensazione cavi per termoresistenze fino a 500 m (1mm2) OUTPUTS 2 alarm relays (ALARM-TRIP) 6 fan outputs rated 230VAC...

 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.