600-R-R-0-0-1 | Gefran 600 PID Temperature Controller, 48 x 48 (1/16 DIN)mm, 2 Output Relay, 100 V ac, 240 V ac Supply Voltage ON/OFF | RS
600-R-R-W-0-1 | Gefran 600 PID Temperature Controller, 48 x 48 (1/16 DIN)mm, 3 Output Analogue, Relay, 100 V ac, 240 V ac Supply | RS
Gefran 600 PID controller: User Manual & Installation Guide : Free Download, Borrow, and Streaming : Internet Archive
![F000052 | 600-R-R-0-0-1 | GEFRAN CONTROLLER, 100-240VAC/DC, RELAY OUTPUT, LED, 48 X 48 X 99MM, IP65 : Amazon.co.uk: Business, Industry & Science F000052 | 600-R-R-0-0-1 | GEFRAN CONTROLLER, 100-240VAC/DC, RELAY OUTPUT, LED, 48 X 48 X 99MM, IP65 : Amazon.co.uk: Business, Industry & Science](https://m.media-amazon.com/images/I/51gnCuaAdBS._AC_UF350,350_QL80_.jpg)