Selec TC203AX Single Display, Relay / SSR Output 72X72 mm
The TC203AX is a Selec Single Display, Relay / SSR output 72X72 mm controller featuring 7-segment LED display and relay/SSR output. Manufactured by Selec, the TC203AX temperature controller belongs to the Selec Temperature Controller category and is part of the TC Series. It supports thermocouple (J, K, T, R, S) and RTD PT100 inputs, operates with Auto Tune PID or ON-OFF control modes, works on 90–270V AC/DC supply, and installs using a 72 × 72 mm panel mount design with fixed 1° resolution.
| Brand | Selec |
| Product Type | Temperature Controller |
| Model Number | TC203AX |
Selec TC203AX Single Display, Relay / SSR Output 72X72 mm - Technical Specifications
| Specification | Value |
|---|---|
| Display Type | Single Display, Relay / SSR output 72X72 mm |
| Display Configuration | 3 Digits |
| Type of Input | Thermocouple (J,K,T,R,S) / RTD (PT100) |
| Resolution | Fixed 1° |
| Accuracy | For TC (J, K, T) inputs: 0.25% of F.S. ± 1 °: For R & S inputs: 0.5% of F.S. ±2 (20min of warm up time) For RTD inputs: 0.1% of F.S ±1 |
| Control Output | RELAY or SSR. |
| Control mode | Auto Tune PID / ON-OFF |
| Supply Voltage | 90 to 270V AC/DC |
| Size | 72 x 72mm |
| Mounting Type | Panel Mount |
The TC203AX Selec Single Display, Relay / SSR output 72X72 mm temperature controller is designed for industrial automation temperature regulation. The TC203AX supports a 7-segment LED display, thermocouple or RTD input compatibility, and relay or SSR control output for integration with machine control systems. As part of the Selec TC Series, the controller operates with Auto Tune PID and ON-OFF control modes to regulate temperature conditions. The Selec TC203AX device is commonly installed in industrial panels and automation systems where temperature monitoring and regulation are required.
The TC203AX Selec Single Display, Relay / SSR output 72X72 mm controller is used in conveyors, packaging machines, assembly systems, and industrial heating equipment. Operators monitor the LED display to observe process temperature and maintain stable production conditions. The panel mount structure allows installation inside machine control cabinets and automation panels. With thermocouple and RTD compatibility, the TC203AX temperature controller supports monitoring across industrial processes where consistent thermal regulation is necessary.
The TC203AX Selec Single Display, Relay / SSR output 72X72 mm controller remains suitable for industrial temperature monitoring and control systems. With features such as 90–270V AC/DC supply, 72 × 72 mm panel mounting, and PID or ON-OFF control modes, the TC203AX supports dependable operation in automation panels and machine control equipment. As a member of the Selec TC Series, the controller integrates easily into industrial automation infrastructure. Selec temperature controllers are widely used in environments where stable temperature regulation is necessary.
