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Omron NX-TC3405 4-Loop SSR Temperature Control Unit
The NX-TC3405 is a four-channel standard temperature control unit with thermocouple and platinum resistance thermometer inputs, PNP voltage outputs for driving SSRs, and CT inputs for heater burnout monitoring in Omron NX-series systems.

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Omron NX-TC3405 Basic Specifications
| Product Type | Temperature Control Unit |
|---|---|
| Model | NX-TC3405 |
| Series | Omron NX-Series |
| Number of Channels | 4 channels |
| Control Type | Standard control (heating or cooling) |
| Temperature Sensor Inputs | Thermocouples: K, J, T, E, L, U, N, R, S, B, C/W and PL II; platinum resistance thermometers: Pt100, JPt100 and Pt1000 (three-wire) |
| CT Inputs | 4 points, 1 per channel; 0 to 0.125 A input range |
| Maximum Heater Current | 50 A AC |
| Control Output | PNP voltage output for driving SSR, 1 point per channel; 24 VDC rated, 21 mA max. per point |
| Control Period | 0.1, 0.2, 0.5, or 1 to 99 s |
| Conversion Time | 50 ms per Unit |
| External Connection | Two screwless clamping terminal blocks, 16 terminals each |
| Condition | New original product |
| Warranty | 24-month warranty from KWOCO |
About Omron NX-TC3405 Temperature Control Unit
The NX-TC3405 is an Omron NX-series four-channel temperature control unit designed to perform standard heating or cooling control through SSR-driving voltage outputs. It is commonly used in packaging machinery, molding equipment, process systems, and other multi-zone applications where centralized temperature regulation and heater condition monitoring are required.
Key Features
- Four-loop temperature control: Provides four temperature inputs and four control outputs for managing multiple heating or cooling zones.
- Broad sensor compatibility: Supports K, J, T, E, L, U, N, R, S, B, C/W and PL II thermocouples, plus three-wire Pt100, JPt100 and Pt1000 sensors.
- PNP SSR-driving outputs: Supplies one 24 VDC voltage control output per channel, rated at up to 21 mA per point.
- Integrated heater monitoring: Includes one CT input per channel for heater burnout detection with compatible E54-series current transformers.
- 50 A heater measurement capacity: Supports heater-current monitoring up to 50 A AC with 0.1 A CT measurement resolution.
- 50 ms conversion time: Processes all four temperature-control channels within 50 ms per unit.
- Flexible panel installation: Uses a compact 24 mm-wide housing with two removable 16-terminal screwless clamping blocks.
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After-Sales Service & Warranty
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Frequently Asked Questions
Are the products new and original?
Yes. KWOCO supplies only new original automation products. Before shipment, we will check the product model, quantity and basic condition to help ensure the order matches your request.
What warranty do you provide?
All products are covered by a 24-month warranty from the date of delivery. For warranty details, please refer to our warranty terms or contact our team before placing an order.
Can you provide real photos before shipment?
Yes. Before shipment, we can provide real product photos, label photos, packaging photos. This helps you confirm the model, condition, and order details before dispatch.
Can you ship to the USA and Europe?
Yes. We can arrange international delivery to the USA, Europe and other major industrial markets. Please send us the destination country and quantity, and we will quote the total cost including shipping.
Can I buy other automation parts together?
Yes. KWOCO supports one-stop sourcing for PLC modules, HMI panels, servo drives, motors, inverters, sensors, cables and other industrial automation spare parts. You can send us your BOM or part list for a package quote.
How can I get a quote?
Please send us the product model, quantity and destination country through the inquiry form. Our team will check stock, price, lead time and shipping options for you.
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