Carel IR33 On/Off Temperature Controller, 76.2 x 34.2mm, NTC Input, 12 → 24 V ac/dc Supply

  • RS Stock No. 511-7440
  • Mfr. Part No. IR33S0LR00
  • Manufacturer Carel
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): IT
Product Details

CAREL ON/OFF Temperature Controller

The CAREL IR33 series temperature controller has a supply voltage rating of 12VAC to 24VAC. This controller has a width of 34.2mm and a height of 76.2mm. It has one relay output for use in static refrigeration units. This controller has two NTC inputs. It is used in ventilated refrigeration units with compressor, defrost and fan control with an additional auxiliary output.

Features and Benefits

Ambient temperature ranges between 0°C and 50°C
Easy programming of regulator, compressor, defrost and alarm settings
Front panel mount system
Infrared receiver and buzzer
Plug-in terminals
Real time clock and HACCP function
RS-485 serial connection


CE certified
EMC (EN50081-1 & EN58002-1)
Low voltage (EN61010-1) directives

Attribute Value
Input Type NTC
Supply Voltage 12 → 24 V ac/dc
Range -50 → +90 °C
Size 76.2 x 34.2mm
Minimum Operating Temperature -10°C
Maximum Operating Temperature +50°C
Panel Depth 94mm
Series IR33
21 In Global stock for delivery within 4 - 6 working days
Price Each
MYR 512.68
Per unit
1 +