SELEC
SELEC TC303AX, 96x96 Digital Temperature Controller Relay/SSR Output
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Description
3-Digit single Red display, Single set point, Temperature controller with Relay with NC contact / SSR output, 96 x 96mm size, 90 to 270V AC / DC
BRIEF SPECIFICATIONS
| Display Type | 7 Segment LED, Single Display |
| 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 | 96 x 96mm |
| Mounting Type | Panel Mount |
Selec TC303AX 96x96 Digital Temperature Controller (Relay/SSR Output)
The Selec TC303AX is a versatile 96x96 mm digital temperature controller designed for precise temperature monitoring and control in industrial heating and cooling applications. Equipped with both relay and SSR drive output options, this controller provides excellent flexibility for controlling contactors, heaters, ovens, furnaces, and process equipment. Its large dual-display LED screen allows operators to simultaneously view the process value (PV) and set value (SV), making operation and monitoring simple and efficient.
The TC303AX supports multiple temperature sensor inputs, including Thermocouple and RTD sensors, enabling it to be used across a wide range of industrial processes. Advanced PID control functionality ensures accurate temperature regulation by minimizing overshoot and maintaining stable process temperatures. Features such as Auto Tune, alarm outputs, and configurable control modes help improve process efficiency while reducing energy consumption.
Built for industrial environments, the controller offers reliable performance, easy panel mounting, and user-friendly programming. Whether used in plastic processing machines, packaging equipment, ovens, or industrial heating systems, the Selec TC303AX delivers dependable temperature control for critical applications.
Key Features
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96 x 96 mm panel mount temperature controller
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Dual LED display for PV and SV indication
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Relay and SSR output options
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PID control with Auto Tune function
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Supports Thermocouple and RTD inputs
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High accuracy temperature control
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User-programmable parameters
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Alarm functionality for process protection
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Easy front-panel configuration
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Suitable for industrial heating and cooling applications
Applications
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Industrial ovens and furnaces
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Plastic injection moulding machines
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Packaging and sealing equipment
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Food processing machinery
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Pharmaceutical manufacturing equipment
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HVAC temperature control systems
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Laboratory heating equipment
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Textile and printing machinery
Why Buy From Voltkart?
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Authorised Mean Well distributor in India
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GST invoice provided
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Pan India delivery in 5-7 days
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Bulk pricing available on WhatsApp
FAQs
Q1. What is the advantage of PID control in the Selec TC303AX?
PID control continuously adjusts the output to maintain stable temperature, reducing temperature fluctuations and improving process accuracy.
Q2. Can the TC303AX drive an SSR directly?
Yes. The controller is available with SSR drive output, allowing direct control of solid state relays for precise temperature regulation.
Q3. Which sensors are compatible with the Selec TC303AX?
The controller supports various Thermocouple and RTD sensor inputs, making it suitable for a wide range of industrial temperature control applications.
Q4. Is the controller suitable for industrial ovens and heaters?
Yes. The TC303AX is widely used in ovens, furnaces, heaters, packaging machines, and other industrial heating processes requiring accurate temperature control.
Q5. What panel cutout size is required for installation?
The controller is designed for standard 96x96 mm panel mounting and can be easily integrated into new or existing control panels.
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