Procurement teams shortlist TC303AX with Selec Timer, Masibus Temperature Controller and Selec Tc513Ax, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Selec TC303AX Temperature Controller
The Selec TC303AX Temperature Controller features a single 7-segment LED display and supports thermocouple or RTD inputs for industrial temperature regulation. It provides a fixed 1Β° resolution, includes relay or SSR control output, and runs on a 90 to 270V AC/DC supply. Designed with a 96 x 96mm panel-mount format, it fits larger control panels effectively. Manufactured by Selec, this model is categorized under the Selec Temperature Controller range and forms part of the TC Series.
| Brand | Selec |
| Product Type | Temperature Controller |
| Model Number | TC303AX |
Selec TC303AX Temperature Controller β Technical Specifications
| Specification | Value |
|---|---|
| Display Type | 7 Segment LED, Single Display |
| Display Configuration | 3 Digits |
| Type of Input | Thermocouple (J,K,T,R,S) / RTD (PT100) |
| Resolution | Fixed 1Β° |
| Accuracy | For TC (J, K, T) inputs: 0.25% of F.S. Β± 1: For R & S inputs: 0.5% of F.S. Β±2 (20min of warm up time) For RTD inputs: 0.1% of F.S Β±1 |
| Control Output | RELAY or SSR. |
| Control mode | Auto Tune PID / ON-OFF |
| Supply Voltage | 90 to 270V AC/DC |
| Size | 96 x 96mm |
| Mounting Type | Panel Mount |
The Selec TC303AX Temperature Controller provides stable temperature regulation for process and automation environments. It uses a single 7-segment LED display, supports thermocouple J, K, T, R, S and RTD PT100 sensors, and maintains a fixed 1Β° resolution. As part of the TC Series from Selec, this controller integrates well within temperature-critical control panels across industrial facilities.
This model is suitable for conveyors, packaging systems, assembly lines, and general heating or cooling applications where dependable switching is essential. With its relay or SSR output, it interfaces effectively with heaters, alarms, and temperature-driven actuators. The broad 90 to 270V AC/DC supply range and larger 96 x 96mm panel-mount size support installation in robust automation panels demanding continuous performance.
The Selec TC303AX Temperature Controller offers consistent temperature control suitable for long-term industrial operation. With its single LED display, sensor compatibility, and versatile output options, it provides reliability for automated processes requiring precise thermal regulation. Selecβs strong reputation in industrial instrumentation further reinforces confidence in this model for demanding temperature management tasks.
