
Temperature Controllers
TC4 Series PID Temperature Controller
TC4 Series PID Temperature Controller is a digital temperature control instrument designed for accurate temperature measurement and stable process control. It supports multiple panel sizes, thermocouple input, RTD input, relay output, SSR drive output, 4–20mA control output, optional 4–20mA transmission output and RS485 Modbus communication.
- PID control and position control available
- Digital PV / SV temperature display
- Multiple panel sizes: S / H / W / M / L
- Supports thermocouple input: K, E, J, S, R, B, N, T
- Supports RTD input: Pt100, Cu50
- Relay output, SSR output or 4–20mA control output optional
- One or two alarm outputs available
- Optional 4–20mA transmission output
- Optional RS485 Modbus communication
- Suitable for heating equipment and automation control systems
- Lead time
- 3–5 working days
- Warranty
- 12 months
- OEM
- Supported
- Shipping
- Worldwide export
Technical specifications
| Series | TC4 Series (panel-mount PID temperature controller) |
|---|---|
| Models | TC4S / TC4H / TC4W / TC4M / TC4L |
| Display | 4-digit dual-row LED: red PV + green SV |
| Control method | ON/OFF, position control, PID |
| Input | Thermocouple K/J/E/T/N/S/R/B; RTD Pt100, Cu50; linear 0–20mA, 4–20mA, 0–5V, 1–5V |
| Control output | Relay + SSR drive (W), voltage output (1U/2U), current output (1A/2A), SCR trigger (T/P) |
| Alarm output | 0, 1 or 2 alarms (code 0 / 1 / 2) |
| Communication | RS485 Modbus RTU optional (code C) |
| Supply voltage | 100–240VAC (code 2) or 24VDC (code 4) |
| Power consumption | Max. 8VA |
| Accuracy | ±0.5% FS |
| Sampling period | 100ms |
| Relay life | Mechanical >2,500,000 operations; electrical >100,000 operations |
| Dielectric strength | 2000VAC, 50/60Hz, 1 minute |
| Memory retention | Approx. 10 years |
| Operating environment | -5 to 40°C; storage -10 to 50°C; 35–85% RH |
| Panel size | 48×48 / 48×96 / 96×48 / 72×72 / 96×96mm |
| Panel cutout | 45×45 / 45×92 / 92×45 / 68×68 / 92×92mm |
| Dimensions (depth) | 75mm body + 4mm bezel |
| Terminal / wiring diagram | To be confirmed before ordering. |
Model selection guide

Related guides
TC4 Series PID Temperature Controller: Model Code Breakdown, Outputs and RS485 Setup
How to read a TC4 model code, which sensor inputs and control outputs are available across TC4S/H/W/M/L, what the RS485 Modbus option adds, and the checks to run at commissioning.
Read guide Product Updates · 2025-04-11TCN4 Series PID Temperature Controller: Model Codes, Inputs, Outputs and Commissioning
A working reference for engineers specifying or commissioning a TCN4 series digital PID temperature controller: how the four panel sizes differ, which sensor inputs are accepted, when to use the relay output with a contactor versus the SSR drive output, and the checks to run before first heat-up.
Read guide Product Updates · 2024-03-18TC4-W PID Temperature Controller: Panel Data, Outputs and Retrofit Notes
Panel and cutout dimensions, electrical specification, output selection and retrofit checks for the TC4-W horizontal PID temperature controller within the TC4 family.
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View detailsNeed help selecting the right model?
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