Skip to content

omni instruments | sensors and data acquisition equipment

Sales & Technical Support

  • +44 (0) 1382 443000
  • info@omni.uk.com
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
Products
Edit Content
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
Need Help?
£0.00 0 Basket
Product
Edit Content
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
£0.00 0 Basket
Home / Display & Control Products Signal Amplifiers / Process Indicators and Controllers / N322 Electronic Thermostat
N322 Electronic Thermostat

N322 Electronic Thermostat

The N322 Electronic Thermostat is designed for cooling and heating control using a single control SPDT Relay (Max 250vAC @ 16A) to activate or deactivate a compressor or electronic heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for control or alarm. The N322 can accept PT100 (2- or 3-Wire), NTC Thermistor or Thermocouple (Type J, K or T). Mains or 24vDC Power Supply Options.

View Options

Need help finding the right product?

CONTACT US

Downloads

Flyer

N322 Electronic Thermostat

  • Description

Description

The N322 Electronic Thermostats are designed for cooling and heating control using a SPDT Relay (Max 250vAC @ 16A) to activate or deactivate a compressor or electronic heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for control or alarm. The N322 can accept PT100 (2- or 3-Wire), NTC Thermistor or Thermocouple (Type J, K or T) temperature sensors.

Specifications

  • IP65 enclosure frontal protection when installed. Behind panel, IP42.
  • Outputs: 1 x SPDT Relay for 250vAC @ 16A, 1 x SPST Relay for 250vAC @ 3A.
  • Working temperature: 0 to 40°C @ 20 to 85%RH.
  • Power supply: 100-240vAC
  • Dimensions: 75 x 33 x 75mm (Width x Height x Depth)
  • Panel Cut Out: 70 x 29mm
  • Weight: 100g

 

Sensor NTC Thermistor PT100 Thermocouple
Type 10 kΩ @ 25 °C 2 or 3-Wire J K T
Measurement Range -50 to +120°C -50 to +300°C 0 to 600°C -50 to +999°C -50 to +400°C
Accuracy 0.6°C (-19.9 to 99.9°C), or 1°C 0.2 % F.S. ± 2 °C @ 25 °C

Product

Ref

Price

Product Description

8032201022

£44.72

N322 Electronic Thermostat for Cooling/Heating Control with Single SPDT Relay Output, Max 250vAC @ 16A. Direct Switching of compressor or electrical heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for additional control or alarm. Accepts PT100 Input (NBR 13773/97 Standard). Measurement Range: -50 to +300°C (-58 to 572F), Accuracy 0.2%FS, ±2°C @ 25°C. Power Supply: 100-240vAC @ 5 Watts. Dimensions: 75 x 33 x 75mm. Panel cut-out: 70 x 29mm. Operation Temperature: 0 to 40°C. Polycarbonate Housing: IP42 | Front: IP65. Certifications: CE, UKCA, UL.
MORE INFO
Add to basket

8032201024

£45.98

N322 Electronic Thermostat for Cooling/Heating Control with Single SPDT Relay Output, Max 250vAC @ 16A. Direct Switching of compressor or electrical heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for additional control or alarm. Accepts PT100 Input (NBR 13773/97 Standard). Measurement Range: -50 to +300°C (-58 to 572F), Accuracy 0.2%FS, ±2°C @ 25°C. Power Supply: 24vDC @ 5 Watts. Dimensions: 75 x 33 x 75mm. Panel cut-out: 70 x 29mm. Operation Temperature: 0 to 40°C. Polycarbonate Housing: IP42 | Front: IP65. Certifications: CE, UKCA, UL.
MORE INFO
Add to basket

8032201322

£51.02

N322 Electronic Thermostat for Cooling/Heating Control with Single SPDT Relay Output, Max 250vAC @ 16A. Direct Switching of compressor or electrical heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for additional control or alarm. Accepts PT100 Input (NBR 13773/97 Standard). Measurement Range: -50 to +300°C (-58 to 572F), Accuracy 0.2%FS, ±2°C @ 25°C. RS485 Modbus RTU Communications. Power Supply: 100-240vAC @ 5 Watts. Dimensions: 75 x 33 x 75mm. Panel cut-out: 70 x 29mm. Operation Temperature: 0 to 40°C. Polycarbonate Housing: IP42 | Front: IP65. Certifications: CE, UKCA, UL.
MORE INFO
Add to basket

8032201324

£51.65

N322 Electronic Thermostat for Cooling/Heating Control with Single SPDT Relay Output, Max 250vAC @ 16A. Direct Switching of compressor or electrical heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for additional control or alarm. Accepts PT100 Input (NBR 13773/97 Standard). Measurement Range: -50 to +300°C (-58 to 572F), Accuracy 0.2%FS, ±2°C @ 25°C. RS485 Modbus RTU Communications. Power Supply: 24vDC @ 5 Watts. Dimensions: 75 x 33 x 75mm. Panel cut-out: 70 x 29mm. Operation Temperature: 0 to 40°C. Polycarbonate Housing: IP42 | Front: IP65. Certifications: CE, UKCA, UL.
MORE INFO
Add to basket

8032203022

£40.31

N322 Electronic Thermostat for Cooling/Heating Control with Single SPDT Relay Output, Max 250vAC @ 16A. Direct Switching of compressor or electrical heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for additional control or alarm. Accepts NTC Thermistor Input. Measurement Range: -50 to +120°C (-58 to 248F), Accuracy 0.6°C between -19.9 to 99.9°C, 1°C elsewhere. Power Supply: 100-240vAC @ 5 Watts. Dimensions: 75 x 33 x 75mm. Panel cut-out: 70 x 29mm. Operation Temperature: 0 to 40°C. Polycarbonate Housing: IP42 | Front: IP65. Certifications: CE, UKCA, UL.
MORE INFO
Add to basket

8032203024

£41.57

N322 Electronic Thermostat for Cooling/Heating Control with Single SPDT Relay Output, Max 250vAC @ 16A. Direct Switching of compressor or electrical heater with simple ON/OFF control and a second SPST-NO Relay (Max 250vAC @ 3A) suitable for additional control or alarm. Accepts NTC Thermistor Input. Measurement Range: -50 to +120°C (-58 to 248F), Accuracy 0.6°C between -19.9 to 99.9°C, 1°C elsewhere. Power Supply: 24vDC @ 5 Watts. Dimensions: 75 x 33 x 75mm. Panel cut-out: 70 x 29mm. Operation Temperature: 0 to 40°C. Polycarbonate Housing: IP42 | Front: IP65. Certifications: CE, UKCA, UL.
MORE INFO
Add to basket

links

  • About
  • Contact
  • Custom Systems
  • Privacy & Cookies
  • Terms & Conditions

omni instruments

Omni Instruments Ltd,
Unit 1, 14 Nobel Road,
Wester Gourdie Industrial Estate,
Dundee, DD2 4UH, UK

Sales & Support

  • +44 (0) 1382 443000
  • info@omni.uk.com

Payments

mastercard-color
visa-color
amex-color
Copyright Omni Instruments 2025 | Design. Build. Host.

We are here to help

Need help with your products or have a question for us on our custom systems? Use the form below to send us a message and our experts will be in touch to help.

Call us on +44 (0)1382 443000

Enquire now