Many procurement teams check TK4W-T2RC against Sub Zero Temperature Controller, Autonics Proximity Sensor and Autonics Tk4S B4Cr before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Autonics TK4W-T2RC Temperature Controller
The Autonics TK4W-T2RC Temperature Controller offers ON/OFF, P, PI, PD, PID control method, 24VAC~ 50/60Hz, 24-48VDC 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 | TK4W-T2RC |
Autonics TK4W-T2RC Temperature Controller – Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 24VAC~ 50/60Hz, 24-48VDC |
| 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, RS485 comm. |
| 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 | Current(DC0/4-20mA) or SSR drive(11VDC @(=)) [ON/OFF] |
| Weight | Approx. 211g(approx. 141g) |
The TK4W-T2RC offers exceptional thermal stability through a fast sampling cycle of 50ms, ensuring tight process feedback in critical control systems. Its dual-mode power input of 24VAC~ 50/60Hz and 24–48VDC supports integration in low-voltage control panels and distributed setups. With selectable ON/OFF, P, PI, PD, and PID control methods, the device can be tuned for both simple and advanced automation tasks. It supports a wide range of sensor inputs including thermocouples, RTDs, and analog inputs such as 0–100mV, 1–5V, or 4–20mA — all with excellent display accuracy of ±0.3% F.S. ±1-digit at room temperature. The intuitive 4-digit 7-segment LED display simplifies monitoring, while robust relay output (250VAC~ 3A) and SSR/current output ensure compatibility with various loads. Double insulation and IP65-rated front panel protection enhance safety and durability, making it ideal for industrial conditions.
This controller provides granular tuning with proportional band adjustable from 0.1 to 999.9°C, integral time up to 9999 seconds, and derivative time for smooth curve handling. It includes manual reset, hysteresis adjustment, and optional CT and digital inputs for advanced logic-based control. Additionally, the RS485 communication option allows seamless connectivity with SCADA systems and PLC networks, supporting Modbus integration. The unit operates reliably between -10°C and 50°C, withstanding storage conditions down to -20°C and up to 85% relative humidity. At just 211g, its lightweight design simplifies mounting in compact electrical cabinets while still meeting high-performance expectations.
The Autonics TK4W-T2RC is widely adopted in plastic molding machines, packaging heat sealers, environmental chambers, test benches, and HVAC control panels. Industrial engineers choose it for its reliability in continuous operations and ease of integration in both analog and digital systems. Junior engineers and maintenance staff appreciate the straightforward setup and real-time readability. Whether you're deploying in a batch process or an R&D lab, this temperature controller delivers consistent performance with smart diagnostics and precise tuning. For detailed product manuals and configuration tools, visit the Autonics official product page.




