Temperature Measurement Solution – WAGO KL3454 | WAGO-I/O-SYSTEM 750 Series
Where This Product Is Used
The WAGO KL3454 is a 4-channel thermocouple analog input bus terminal engineered for precision temperature acquisition in demanding industrial environments. Engineers and system integrators specify this module across a wide range of applications:
- Furnace & Kiln Control – Continuous multi-point temperature monitoring in metallurgical furnaces, ceramic kilns, and heat-treatment chambers where ±1 °C accuracy is critical to product quality.
- Plastics & Rubber Processing – Real-time barrel and mold temperature feedback in injection molding and extrusion lines, preventing thermal degradation and scrap.
- Food & Beverage Pasteurization – Hygienic process temperature logging across pasteurizers, retorts, and CIP systems to meet HACCP and FDA 21 CFR Part 11 traceability requirements.
- HVAC & Building Automation – Duct, chiller, and boiler temperature sensing integrated into BACnet/Modbus building management systems via the WAGO 750 fieldbus coupler.
- Renewable Energy & Power Generation – Turbine exhaust gas temperature (EGT) monitoring and transformer winding temperature supervision in wind, solar, and conventional power plants.
- Pharmaceutical Manufacturing – Autoclave and lyophilizer temperature validation in GMP-regulated environments requiring 21 CFR Part 11-compliant data logging.
- Chemical & Petrochemical Plants – Reactor temperature profiling and heat-exchanger monitoring in ATEX-classified zones when paired with appropriate barriers.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | KL3454 |
| Manufacturer | WAGO |
| Series | WAGO-I/O-SYSTEM 750 / KL Bus Terminal |
| Module Type | 4-Channel Thermocouple Analog Input |
| Supported TC Types | J, K, L, E, N, B, R, S, T (software-selectable) |
| Measurement Range | −270 °C to +1820 °C (type-dependent) |
| Resolution | 0.1 °C / 16-bit |
| Accuracy | ±1 °C (typical, at 25 °C ambient) |
| Cold Junction Compensation | Internal, automatic |
| Input Channels | 4 (differential, isolated) |
| Supply Voltage | 5 V DC (via K-Bus from coupler) |
| Current Consumption | ≤ 70 mA |
| Electrical Isolation | 500 V (channel-to-K-Bus) |
| Connection Method | Spring-cage (CAGE CLAMP®), 0.08–2.5 mm² |
| Housing Width | 12 mm |
| Protection Rating | IP 20 |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | −25 °C to +85 °C |
| Weight | approx. 100 g |
| Mounting | DIN rail (EN 60715, 35 mm) |
Why Engineers Specify This Model
- 4-in-1 channel density – Consolidates four thermocouple inputs into a single 12 mm-wide terminal, reducing panel footprint by up to 75 % versus single-channel alternatives.
- Universal TC compatibility – Software-selectable thermocouple type (J/K/L/E/N/B/R/S/T) eliminates the need for type-specific modules, simplifying spare-parts inventory.
- Automatic cold junction compensation – Built-in CJC sensor removes the need for external isothermal terminal blocks, cutting wiring cost and potential error sources.
- CAGE CLAMP® spring-cage connection – Tool-free, vibration-proof termination rated for 500 V isolation; no screwdriver required, reducing installation time by ~40 %.
- Seamless WAGO 750 ecosystem integration – Plug-and-play with all WAGO 750/753 fieldbus couplers (PROFIBUS, EtherNet/IP, PROFINET, Modbus TCP, CANopen, DeviceNet, BACnet).
- 16-bit resolution at 0.1 °C – Delivers laboratory-grade precision suitable for SPC, process validation, and regulatory compliance reporting.
- Compact DIN-rail form factor – 12 mm width fits high-density control panels; no additional power supply terminal required.
Complete System Bill of Materials
A typical WAGO 750-series temperature acquisition node using the KL3454 includes:
- WAGO 750-352 / 750-841 / 750-881 Fieldbus Coupler (protocol-dependent)
- WAGO KL3454 × N (quantity per channel count required)
- WAGO 750-600 End Terminal
- WAGO 750-610 Power Supply Terminal (if additional 24 V bus power needed)
- Thermocouple extension cables (matched alloy, per IEC 60584-3)
- DIN rail EN 60715 35 mm × 7.5 mm
- WAGO WAGO-I/O-CHECK or e!COCKPIT configuration software (free download)
Compliance & Industry Standards
- CE Marking – EMC Directive 2014/30/EU & Low Voltage Directive 2014/35/EU
- UL 508 – Industrial Control Equipment (cULus listed)
- IEC 61131-2 – Programmable Controllers, Part 2: Equipment Requirements
- IEC 60584-1/2 – Thermocouples: EMF Specifications & Tolerances
- EN 61000-6-2 / EN 61000-6-4 – Industrial EMC Immunity & Emission
- RoHS 2011/65/EU – Restriction of Hazardous Substances
Quality Assurance & Sourcing
Every WAGO KL3454 unit supplied by Konmask.com is:
- Sourced directly from WAGO-authorized distribution channels or verified surplus with full traceability documentation.
- Inspected for original WAGO holographic labeling, date codes, and factory seal integrity before dispatch.
- Tested for K-Bus communication handshake and channel continuity prior to shipment.
- Shipped in original or ESD-safe anti-static packaging with desiccant to prevent moisture ingress during transit.
- Backed by Konmask’s 12-month warranty against manufacturing defects.
How to Source This Part
Ready to order the WAGO KL3454? Here’s how to get started:
- Add to Cart – In-stock units ship within 1–3 business days via DHL Express, FedEx, or UPS worldwide.
- Request a Quote – For quantities ≥ 5 units or project-based procurement, contact us for volume pricing and lead-time confirmation.
- Technical Pre-Sales Support – Our automation engineers can verify compatibility with your existing WAGO coupler firmware version and fieldbus topology before you order.
- Urgent / Emergency Orders – Same-day dispatch available for orders placed before 14:00 CST. Contact us directly at +0086 19859288691.
Application-Specific FAQ
Q: Can the KL3454 measure millivolt signals from non-standard sensors?
A: Yes. In addition to standard TC types, the KL3454 supports a ±80 mV raw millivolt input mode, making it compatible with custom thermopiles and non-standard thermoelectric sensors.
Q: Is the KL3454 compatible with the newer WAGO 750-8xxx PFC controllers?
A: Yes. The KL3454 is fully compatible with all WAGO 750-series couplers and controllers, including the 750-8100, 750-8101, 750-8102, and 750-8206 PFC200 controllers running CODESYS 3.5.
Q: How many KL3454 modules can I connect to a single coupler?
A: The maximum number of bus terminals per coupler node is 64 (WAGO standard), subject to the coupler’s total K-Bus current budget (typically 1.75 A). Each KL3454 draws ≤ 70 mA, allowing up to 25 modules per node in a pure KL3454 configuration.
Q: Does the KL3454 support HART or IO-Link?
A: No. The KL3454 is a K-Bus terminal and communicates exclusively via the WAGO K-Bus backplane protocol. For IO-Link thermocouple heads, consider the WAGO 750-1405 IO-Link master terminal.
Q: What is the difference between KL3454 and KL3444?
A: The KL3444 is a 4-channel RTD (Pt100/Pt1000) input terminal, while the KL3454 is specifically designed for thermocouple (TC) inputs. Both offer 4-channel density but use different measurement principles and are not interchangeable.
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