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N321R Electronic Thermostat with Defrost Cycle

Quick Overview

The N321R Electronic Thermostats are designed for refrigeration application with a programmable defrost cycle that can turn off a compressor at pre-determined time intervals for a specific duration. Manual Defrost key is also available on the front panel. The N321R accepts NTC Thermistor temperature sensors. A single SPDT Relay (Max 250 @ 16A) allows for power a connected compressor with ON/OFF control.

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Details

The N321R Electronic Thermostats include a single control relays and are designed to measure, indicate and control temperature in many different systems by controlling a single relay for ON/OFF control. A programmable defrost cycle can turn off a compressor at pre-determined time intervals for a specific duration. Manual Defrost key is also available on the front panel. Temperature readings are taken using a NTC Thermistor temperature sensors.

Specifications

IP65 enclosure frontal protection when installed. Behind panel, IP42.
Output: 1 SPDT Relay for 250vAC @ 16A
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
Type	10 kΩ @ 25 °C
Measurement Range	-50 to +120°C
Accuracy	0.6°C (-19.9 to 99.9°C), or 1°C

Availability: Stock Item

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

REF	DESCRIPTION	DOWNLOADS	PRICE	ORDER ITEM
80321R3012	N321R Electronic Thermostat for Refrigeration Control with Defrost Cycle. Programmable defrost cycle interval and duration as well as compressor stop, resistance heating or reverse cycle. Direct switching of compressor, with single SPDT relay. 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.	Flier Size: (240.76 KB)	£37.16	or call us for a quote