Many procurement teams check TK4W-A2CR against Sub Zero Temperature Controller, Autonics Proximity Sensor and Autonics Tcn4 Series before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Autonics TK4W-A2CR Temperature Controller
The Autonics TK4W-A2CR 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-A2CR |
Autonics TK4W-A2CR Temperature Controller β 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 999.9β/β(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 50β, storage: -20 to 60β |
| 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 | Β±5% F.S. Β±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: DPt100Ξ©, DPt50Ξ©, JPt100Ξ©, Cu100Ξ©, Cu50Ξ©, Nikel 120Ξ©Analog: 0-100mV, 0-5V, 1-5V, 0-10V0-20mA, 4-20mA |
| Option output | Alarm 1/2, Transmission(DC4-20mA) |
| Display accuracy_RTD | β’At room temperature(23βΒ±5β):(PV Β±0.3% or Β±1β, select the higher one) Β±1-digitβ’Out of room temperature:(PV Β±0.5% or Β±2β, select the higher one) Β±1-digit |
| Display accuracy_Thermocouple | β’At room temperature(23βΒ±5β):(PV Β±0.3% or Β±1β, select the higher one) Β±1-digitβ’Out of room temperature:(PV Β±0.5% or Β±2β, select the higher one) Β±1-digit |
| Hysteresis(adjustable sensitivity) | RTD/Thermocouples: 1 to 100β/β(0.1 to 100.0β/β) variable Analog: 1 to 100-digit |
| Control output 1 | Current(DC0/4-20mA) or SSR drive(11VDC @(=)) [ON/OFF] |
| Display accuracy_Analog | β’At room temperature(23βΒ±5β): Β±0.3% F.S. Β±1-digitβ’Out of range of room temperature: Β±0.5β% F.S. Β±1-digit |
| Control output 2 | Relay(250VAC~ 3A) |
| Weight | Approx. 211g(approx. 141g) |
The TK4W-A2CR is built for precision thermal management, offering a rapid sampling cycle of 50ms and versatile control modes including ON/OFF, P, PI, PD, and PID. It supports a wide power supply range of 24VAC~ 50/60Hz and 24β48VDC, making it adaptable to various industrial setups. With input compatibility for thermocouples, RTDs, and analog signals, the controller ensures high accuracyβΒ±0.3% F.S. Β±1-digit at room temperature. Its 4-digit 7-segment LED display allows clear visibility of setpoints and process values, while dual outputs (relay 250VAC~ 3A and current/SSR drive) offer flexibility in actuator integration. The IP65-rated front panel and double insulation make it durable and safe in high-demand environments. Key tuning parameters such as proportional band, integral, and derivative time are fully adjustable, with control period settings ranging from 0.1 to 120 seconds.
Equipped with CT input, digital input, and transmission output (DC4β20mA), the TK4W-A2CR enables advanced monitoring and signal transmission to SCADA or PLC systems. It operates reliably in ambient temperatures from -10Β°C to 50Β°C and can be stored in conditions as low as -20Β°C. Its hysteresis is adjustable across sensor types, allowing precise switching control in temperature-sensitive processes. Weighing only 211g, the unit is easy to install and maintain. The internal architecture is designed to minimize electrical interference and maintain measurement stability under variable loads, ensuring long-term accuracy and safety for mission-critical applications.
The Autonics TK4W-A2CR Temperature Controller is widely used in plastic molding machines, furnaces, climate chambers, heat sealers, and industrial ovens. Engineers prefer it for its plug-and-play compatibility, dependable performance, and adaptability to varied process conditions. For automation students and junior technicians, its intuitive display and standard wiring terminals make it an excellent learning platform. Whether you're upgrading an existing thermal control system or installing new automation equipment, this controller offers the reliability and performance that modern factories demand. For complete product documentation, visit the Autonics official product page.




