IR33Z9MR20 | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm, 4 Output Relay, 24 V ac/dc Supply Voltage | RS
IR33W7HR20 | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm, 2 Output Relay, 115 → 230 V ac Supply Voltage | RS
IR33C0LR00 Carel | Carel IR33 On/Off Temperature Controller, 76.2 x 34.2mm, 12 → 24 V ac Supply Voltage | 511-7478 | RS Components
![Common Parameter Settings for Norpole Refrigeration Products Using the Carel IR33 Controller - YouTube Common Parameter Settings for Norpole Refrigeration Products Using the Carel IR33 Controller - YouTube](https://i.ytimg.com/vi/aUxYiV5i1xk/maxresdefault.jpg)