SELEC TC344CX Temperature Controller: Compact 96x96x62 mm panel-mount design with a 4-digit dual LED display (white + green) for precise process (PV) and set value (SV) monitoring. Supports thermocouples (J, K, T, R, S, B, C) and RTD (Pt-100, 3-wire) inputs. Features dual outputs: 5A SPST relay and SSR (12 VDC) or two relays. Offers auto-tune PID, ON-OFF, and heat-cool PID control, dual setpoints, and operates on 90-270 VAC/DC.