Autonics TK4L-14RN Temperature Controller
The Autonics TK4L-14RN Temperature Controller offers ON/OFF, P, PI, PD, PID control method, 100-240VAC~ 50/60Hz power supply, 4-digit 7-segment LED, 50ms. Manufactured by Autonics under the Autonics Temperature Controller category, this model belongs to the TK Series.

| Brand | Autonics |
| Product Type | Temperature Controller |
| Model Number | TK4L-14RN |
Autonics TK4L-14RN Temperature Controller – Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 100-240VAC~ 50/60Hz |
| Sampling cycle | 50ms |
| Display method | 4-digit 7-segment LED |
| Control method | ON/OFF, P, PI, PD, PID |
| Proportional band | 0.1 to 999.9℃/℉(0.1 to 999.9%) |
| Integral time | 0 to 9999 sec |
| Derivative time | 0 to 9999 sec |
| Control period | Relay output, SSR drive output: 0.1 to 120.0 sec Current output or SSR drive output selectable: 1.0 to 120.0 sec |
| Manual reset | 0.0 to 100.0% |
| Environment_Ambient temperature | -10 to 50℃, storage: -20 to 60℃ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Insulation type | Double insulation or reinforced insulation(mark: @(INS), dielectric strength between the measuring input part and the power part: 2kV) |
| Option input | CT, Digital(DI-1/2) |
| Protection structure | IP65(front panel) |
| Display accuracy_CT input | ±5% F.S. ±1-digit |
| Input specification | Thermocouple: K(CA), J(IC), E(CR), T(CC), B(PR), R(PR), S(PR), N(NN), C(TT), G(TT), L(IC), U(CC), Platinel IIRTD: DPt100Ω, DPt50Ω, JPt100Ω, Cu100Ω, Cu50Ω, Nikel 120ΩAnalog: 0-100mV, 0-5V, 1-5V, 0-10V0-20mA, 4-20mA |
| Option output | Alarm 1 |
| Display accuracy_RTD | •At room temperature(23℃±5℃):(PV ±0.3% or ±1℃, select the higher one) ±1-digit•Out of room temperature:(PV ±0.5% or ±2℃, select the higher one) ±1-digit |
| Display accuracy_Thermocouple | •At room temperature(23℃±5℃):(PV ±0.3% or ±1℃, select the higher one) ±1-digit•Out of room temperature:(PV ±0.5% or ±2℃, select the higher one) ±1-digit |
| Hysteresis(adjustable sensitivity) | RTD/Thermocouples: 1 to 100℃/℉(0.1 to 100.0℃/℉) variable Analog: 1 to 100-digit |
| Control output 1 | Relay(250VAC~ 3A) |
| Display accuracy_Analog | •At room temperature(23℃±5℃): ±0.3% F.S. ±1-digit•Out of range of room temperature: ±0.5℃% F.S. ±1-digit |
| Control output 2 | - |
| Weight | Approx. 294g(approx. 198g) |
The Autonics TK4L-14RN is equipped with a power supply range of 100–240VAC~ 50/60Hz, making it suitable for use across a wide range of electrical systems. Its fast 50ms sampling cycle ensures precise and real-time temperature tracking. This model supports advanced PID control methods including ON/OFF, P, PI, PD, and PID, enabling flexible configuration based on process requirements. Engineers benefit from a 4-digit 7-segment LED display that provides clear, accurate readings even in bright industrial environments. Sensor compatibility is broad, with inputs from thermocouples, RTDs, and analog signals, making integration with existing systems seamless.
The controller’s output is handled via a relay (250VAC~ 3A), offering reliable switching performance. Its robust design includes IP65 front panel protection and 2kV dielectric strength insulation between power and measurement terminals, enhancing safety in harsh industrial conditions. Built to operate between -10 to 50°C with humidity levels from 35 to 85% RH, the TK4L-14RN is ideal for environments that demand reliability and accuracy. With adjustable parameters like proportional band (0.1 to 999.9°C), integral time (0–9999s), and derivative time (0–9999s), this controller ensures highly responsive temperature management. The unit’s compact footprint and light weight of approximately 294g make it easy to install in space-constrained panels without compromising performance.
Maintenance engineers in pharmaceutical, packaging, and OEM panel design prefer this model for its straightforward configuration and flexible input/output compatibility. It integrates easily into both analog and digital control architectures and is trusted for maintaining process efficiency in continuous production lines. The IP65 front protection and double insulation design make it especially suited for factories where dust, moisture, and fluctuating temperatures are common.
For those upgrading legacy panels or standardizing across multiple automation lines, the TK4L-14RN delivers dependable thermal management without the complexity of high-end controllers. Its performance and safety features are aligned with the needs of Indian manufacturing plants. Visit the official Autonics Temperature Controller page at IndMALL for more details, datasheets, and vendor connections.




