In most procurement cycles, EJ1N-TC4A-QQ is considered with Omron Photoelectric Sensor, Sub Zero Temperature Controller and Omron Photoelectric Sensors E3T Series, giving decision-makers confidence that theyβve chosen the most dependable component.
Omron EJ1N-TC4A-QQ Modular Temperature Controller
The Omron EJ1N-TC4A-QQ Temperature Controller is a compact and precise Modular Temperature Controller designed for stable, fast-response industrial temperature control. Its Module type design supports a versatile operates on 24 VDC with an allowable range of 85 to 110% of the power supply voltage, it provides ON/OFF or 2-PID control with auto-tuning and self-tuning for consistent temperature stability. The controller features Voltage output (for driving SSR) 2-points, , Voltage output (for driving SSR) 2-points and Screw terminal (M3) wiring for easy panel integration. Manufactured by Omron, part of the Omron Temperature Controller ecosystem within the Omron EJ1N Series.
| Brand | Omron |
| Product Type | Temperature Controller |
| Model Number | EJ1N-TC4A-QQ |
Omron EJ1N-TC4A-QQ Temperature Controller - Technical Specifications
| Specification | Value |
|---|---|
| Shape | Module type |
| Fixed/Programmable | Fixed |
| Power supply voltage | 24 VDC |
| Operating voltage range | 85 to 110% of the power supply voltage |
| Power consumption | 3 W max. (At maximum load) |
| Control method | ON/OFF or 2-PID control with auto-tuning and self-tuning |
| Number of input points | 4 point |
| Input Type/Temperature input | Thermocouple: K, J, T, E, L, U, N, R, S, B, W/C, PLβ ‘ Platinum resistance thermometer: Pt100, JPt100 Infrared Thermosensor: 10 to 70 β, 60 to 120 β, 115 to 165 β, 140 to 260 β |
| Control output 1 | Voltage output (for driving SSR) 2-points |
| Control output 2 | Voltage output (for driving SSR) 2-points |
| Insulation resistance | 20 MΞ© min. (at 500 VDC) |
| Dielectric strength | 600 VAC 50/60 Hz for 1 min (Between current-carrying terminals of different polarity) |
| Vibration resistance | Malfunction: 10 to 55 Hz, 20 m/s2 for 2 h each in X, Y, and Z directions |
| Shock resistance | Malfunction: 150 m/s2, in each 6 directions 3 times |
| Ambient temperature (Operating) | -10 to 55 β (with no freezing or condensation) For 3-year warranty: -10 to 50 β (with no freezing or condensation) |
| Ambient temperature (Storage) | -25 to 65 β (with no freezing or condensation) |
| Ambient humidity (Operating) | 25 to 85 % (with no freezing or condensation) |
| Degree of protection | Rear case: IP20, Terminal section: IP00 |
| Terminal type | Screw terminal (M3) |
| Weight | Controller: Approx. 210 g, Adapter: Approx. 4 g Γ 2 |
The Omron EJ1N-TC4A-QQ is frequently assessed alongside other units in the EJ1 Modular Temperature Controller group because they share comparable sensor inputs, panel depth behaviour, and loop-control characteristics. Engineers often evaluate Omron E5CC-RX3ASM-004 (DIN48 x 48, ON/OFF or 2-PID control, 100 to 240 VAC (50/60 Hz), Relay output, 11-segment digital display), Omron E5AC-CC4ASM-014 (DIN 96 x 96, ON/OFF or 2-PID control, 100 to 240 VAC (50/60 Hz), Linear current output, 11-segment digital display), and Omron E5AC-PR4ASM-014 (DIN 96 x 96, ON/OFF or 2-PID control, 100 to 240 VAC (50/60 Hz), Position-proportional control relay output, 11-segment digital display) when selecting a controller that fits panel wiring, SSR/relay load stages, and enclosure thermal limits. Reviewing shape, control method, supply voltage class, output structure, and indication style builds a clearer link between field.
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