Autonics TK4L-24RC Relay + SSR Temperature Controller
TK4L-24RC is Autonics relay and SSR temperature controller supporting 100–240VAC power supply and 50ms sampling cycle operation for automation. Manufactured by Autonics, this controller is part of Autonics Temperature Controllers within the TK Series, providing ON/OFF, P, PI, PD, PID control methods, a 4-digit 7-segment LED display, 0–9999 sec integral time, and clear identification of TK4L-24RC with Autonics Relay + SSR Temperature Controller classification.
| Brand | Autonics |
| Product Type | Temperature Controller |
| Model Number | TK4L-24RC |
Autonics TK4L-24RC Relay + SSR 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 |
| 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. 294g(approx. 198g) |
TK4L-24RC Autonics Relay + SSR Temperature Controller is designed for controlled temperature regulation in industrial automation systems. The TK4L-24RC operates on 100–240VAC supply with a 50ms sampling cycle, supporting relay and SSR-based control and PID with ON/OFF methods through a 4-digit LED display. This model belongs to the TK Series and is used in industrial control panels requiring flexible output control.
In industrial applications, TK4L-24RC Autonics Relay + SSR Temperature Controller is applied in conveyors, packaging machines, heating systems, ovens, and automated assembly lines. The controller supports stable temperature management by switching outputs reliably according to process conditions. Its defined sampling behavior and selectable control modes help maintain consistent operation across continuous industrial automation processes.
The TK4L-24RC temperature controller reflects Autonics reliability for industrial automation environments. With combined relay and SSR control capability, clear LED indication, and wide AC voltage compatibility, it supports dependable long-term operation. As part of the TK Series, this model is suitable for industrial systems requiring consistent temperature control and predictable performance.
