In most procurement cycles, TK4L-B4CR is considered with Sub Zero Temperature Controller, Autonics Proximity Sensor and Autonics Tk4S B4Cr, giving decision-makers confidence that they’ve chosen the most dependable component.
Autonics TK4L-B4CR Temperature Controller
The Autonics TK4L-B4CR 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-B4CR |
Autonics TK4L-B4CR 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 1/2, 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 | Current(DC0/4-20mA) or SSR drive(11VDC @(=)) [ON/OFF] |
| 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 | Relay(250VAC~ 3A) |
| Weight | Approx. 294g(approx. 198g) |
The Autonics TK4L-B4CR operates with a wide input voltage of 100–240VAC~ 50/60Hz, making it suitable for global industrial environments. With a sampling cycle of 50ms, this temperature controller delivers quick and accurate measurements for dynamic thermal systems. It supports ON/OFF, P, PI, PD, and PID control methods, and offers full compatibility with a range of input types including thermocouples, RTDs (like Pt100Ω, Cu100Ω), and analog signals. The 4-digit 7-segment LED display enhances readability, while the output options—such as SSR drive, 4–20mA current output, and relay output—ensure control flexibility across various actuator types.
Built with industrial-grade durability, the TK4L-B4CR PID controller features double insulation and withstands a 2kV dielectric strength between input and power sections for enhanced electrical safety. Its front panel is rated IP65, providing solid protection against dust and water ingress. This unit operates reliably in ambient temperatures from -10°C to 50°C with humidity up to 85% RH, making it well-suited for both hot and humid shop floors. Additional features include manual reset, CT and digital input options, RS485 communication, and dual alarm outputs, supporting integration into existing PLC or SCADA systems. Despite its powerful capabilities, the controller is compact and weighs approximately 294g, making installation into DIN panels easy and efficient.
The Autonics TK4L-B4CR Temperature Controller is widely used in applications such as plastic extrusion machines, food processing ovens, sterilizers, packaging lines, and HVAC systems. It is especially preferred by engineers working in pharmaceuticals, electronics, automotive, chemical manufacturing, and other sectors where thermal accuracy and reliability are critical. With its fast control response, versatile input support, and robust electrical protection, this controller simplifies temperature automation while reducing downtime. For detailed specifications and pricing, visit the official product page here.




