The N321R is a temperature controller dedicated for applications in refrigeration. The defrost cycle is accomplished by turning off the compressor at time intervals chosen by the user. Pt100, and thermistor sensor inputs available. Auto defrost at programmable intervals or Manual Defrost key in the front panel. It keeps its indications during the defrost cycle and has a programmable post-start up delay.

Features & Specifications:

• One SPDT relay outlet, 1 HP (16A resistive) 250 Vac
• Temperature Measurement Range: NTC: -50 to 120°C (-58 to 248°F), Pt100: -50 to 300°C (-58 to 572°F)
• Accuracy: ± 0,5 °C / °F ±1 digit (Pt100 / Thermistor) and ±2 °C for Thermocouple
• Resolution: 0.1 °C/°F ranging from -19.9 to 199.9 °C/°F
• Operating Temperature: 0 to 50°C
• Front panel with IP56 protection
• Power supply: 100 to 240 Vac /dc ±10%
• Frequency: 50~60 Hz
• Consumption: 5 VA
• LED indicators 3 ½ digits
• Sensor offset adjustment
• Adjustable hysteresis
• Configurable setpoint minimum and maximum limits
• Configurable password for configuration lock
• Program retention during power failures
• Silicone keys with excellent durability
• CE and UL approved