N322-NTC-485 Thermostat Controller with NTC Sensor,  Modbus RS-485, 24 V DC/AC

N322-NTC-485 Thermostat Controller with NTC Sensor, Modbus RS-485, 24 V DC/AC

SKU: CET-0041

Panel mount thermostat with included NTC sensor on 2 m lead. Configurable for a huge range of heating and cooling applications. 12 to 30V AC/DC powered. RS-485 interface with RTU Modbus protocol.

  • Manufacturer: Novus
Buy more for less:
1-4items$73.77/ each 
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  • $73.77
Available for backorder

The Novus N322 Thermostat is a budget priced On-Off temperature controller with industrial level reliability. This model includes an NTC thermistor and is powered from 12 to 30 VAC/DC. Other models are 100 to 240 VAC powered or take PT100 input or J, K and Ttype thermocouple input.

The NTC thermistor models are provided with a waterproof stainless steel NTC Thermistor probe and 2 meters long cable to get you up and running immediately. This cable can be extended to 50 meters.

The N-322 thermostats have two relay outputs which can be configured for heating or cooling or a number of different alarm modes and are easily configured by the front panel buttons and display.

The Temperature and status of Relays are shown on the LED Display. Great for aquariums, home brewing, ovens, fridges, greenhouses and many other applications.


  • IP65 when mounted in panel
  • Fully configurable
  • Heating or cooling actions
  • Configurable hysteresis
  • Configurable start-up delay to reduce inrush current when using multiple controllers
  • Configurable minimum on and off times to extend compressor or heater life
  • Over /under temperature and in-bound / out-of-band alarms
  • Optional multi-level password protection
  • RS-485 interface, RTU Modbus protocol
    • SKU
    • Weight
      0.28 kg
    • Dimensions (L x W x H)
      10 x 8 x 10 cm
  • Power supply: 24 VAC/DC
  • Power consumption: 5 VA
  • Sampling time: 1.5 samples per second
  • 1 x Sensor Input:
    • Type: NTC sensors (included)
    • Range: -50 °C to 120 °C
    • Accuracy: 0.6°C (NTC)
    • Resolution: 0.1ºC (from –19.9 to 119.9ºC); 1ºC (elsewhere)
  • 1 x SPDT Relay Output: 1HP 250VAC / 1/3HP 125VAC (16A resistive)
  • 1 x SPST Relay Output: 3A (resistive), 250VAC
  • Display: 3 digit LED
  • Case Protection:
    • Front panel: IP65
    • Box: IP42 with Polycarbonate material, UL94-2
  • Panel cutout: 70 × 29 mm
  • Dimensions: 75 × 33 × 75 mm

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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