REX C100 Digital Temperature Controller with 40A SSR – Precise PID Control up to 400°C, Ready-to-Install Kit
Struggling to maintain consistent temperatures in your oven, incubator, or soldering station? Thermal fluctuations can ruin your work, waste energy, and require constant manual monitoring. The REX C100 Temperature Controller solves this with advanced PID algorithms, ±0.5% accuracy, and a rapid 0.5-second response time—ensuring stable, reliable performance without the guesswork.
Note: The 40A SSR relay and 1000 mm K-type probe are included in the box. Everything you need is ready for immediate connection.
Why choose this model? (Key Advantages):
- ±0.5% FS Accuracy with 14-bit resolution — Unlike budget thermostats, the PID control keeps your temperature rock-steady, eliminating the 5-10°C swings common in basic units.
- 40A SSR Relay included — Manage high-power loads without the wear and tear of mechanical contacts. While standard mechanical relays fail after ~100,000 cycles, an SSR is virtually maintenance-free.
- 1000 mm K-type probe included — The generous cable length allows for easy placement in hard-to-reach areas without needing extra extensions.
- Dual PV/SV Display — View your current temperature (PV) and target setpoint (SV) simultaneously, so you never have to navigate menus during operation.
- Standard DIN 48×48 mm format — Designed to fit perfectly into any standard electrical panel cutout without the need for adapters or modifications.
- Configurable for Heating or Cooling — This versatile controller can be set to manage either heating or cooling equipment via the menu parameters.
- Plug-and-play kit — Includes controller, SSR, and probe in one package; you can be up and running in under 30 minutes.
Performance and Technical Details
The PID algorithm in the REX C100 continuously calculates the difference between the measured temperature and your target, adjusting the output to eliminate overshoot. With 14-bit resolution and a 0.5-second sampling rate, any thermal variation is detected and corrected before it can impact your process.
The control output sends a 250V AC / 3A signal directly to the included SSR, which switches the main load without any moving parts. An insulation resistance of over 50MΩ at 500V DC ensures complete galvanic isolation between the control and power circuits—a critical requirement for industrial applications.
| Parameter | Specification |
|---|---|
| Controller Model | REX C100 |
| Supply Voltage | 220V AC |
| Temperature Range | 0 – 400°C |
| Probe Type | K-Type (Thermocouple) |
| Probe Length | 1000 mm |
| Accuracy | ±0.5% FS |
| ADC Resolution | 14-bit |
| Sampling Time | 0.5 seconds |
| Control Output | SSR Relay – 250V AC / 3A |
| Included SSR | 40A |
| Insulation Resistance | >50MΩ at 500V DC |
| Power Consumption | 10VA |
| Operating Temperature | 0 – 50°C |
| Operating Humidity | 30 – 85% RH |
| Controller Dimensions | 48 × 48 × 110 mm |
| Panel Format | Standard DIN 48×48 |
Programming and Usage Instructions
The dual display shows your PV (current temperature) and SV (target temperature) at a glance. Basic setup takes less than a minute:
- Press the SET button briefly to enter the target temperature (SV) mode.
- Use the up/down arrow buttons to adjust your desired value.
- Press SET again to confirm and save your settings.
- For advanced parameters (hysteresis, PID mode, alarms), hold the SET button for 3 seconds to enter the extended configuration menu.
- Navigate through parameters using the SET button and modify values with the arrow keys.
- If no action is taken for 30 seconds, the controller automatically returns to the main monitoring screen.
Package Contents
- REX C100 Digital Temperature Controller
- 40A Solid State Relay (SSR)
- K-Type Temperature Probe (0–400°C, 1000 mm)
Frequently Asked Questions
Is the 40A SSR relay included or sold separately?
It is included in the package. You receive the REX C100 controller, the 40A SSR, and the 1000 mm K-type probe—everything required for a complete installation.
Can this be used for cooling as well as heating?
Yes. You can configure the output for either cooling or heating via the advanced menu. The controller is fully adaptable to both types of applications.
Does it fit into standard electrical panels?
Yes. The DIN 48×48 mm format is an industrial standard, designed to fit into any 48×48 mm cutout without modifications.
Is it difficult to set up for the first time?
Not at all. Setting the target temperature takes just three button presses. Advanced PID parameters are optional—the controller is ready to use immediately with default factory settings.
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