Wago 750-461/020-000 2Ai, Ntc 20K

Why Choose the WAGO 750-461/020-000 Thermocouple Input Module?

The WAGO 750-461/020-000 is a robust 2-channel thermocouple input module designed for the WAGO 750 Series distributed I/O system. It enables direct connection of thermocouple sensors and converts measured temperature signals into digital values for PLCs and industrial automation controllers.

This module is designed to support Type N thermocouple sensors, which are widely used in high-temperature industrial applications where improved stability and resistance to oxidation are required. Integrated cold junction compensation ensures accurate readings even when ambient temperatures fluctuate, while automatic signal linearisation ensures reliable measurement results.

The 750-461/020-000 integrates seamlessly with WAGO fieldbus couplers and controllers, enabling distributed temperature monitoring across industrial control systems used in manufacturing, power generation and process automation.

Key Advantages

• Reliable 2-channel thermocouple temperature measurement.
• Supports Type N thermocouple sensors.
• Integrated cold junction compensation for improved accuracy.
• Automatic signal linearisation for precise temperature readings.
• Sensor diagnostics including wire break detection.
• Designed for the modular WAGO 750 Series distributed I/O platform.

Key Features

• 2 analogue thermocouple input channels.
• Supports Type N thermocouples.
• Automatic cold junction compensation.
• 16-bit measurement data resolution.
• Typical conversion time approx. 250 ms.
• Integrated diagnostics including line break monitoring.
• CAGE CLAMP® spring terminals for secure wiring.
• Compact DIN rail module for industrial control cabinets.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO 750 Series I/O System
• Model: 750-461/020-000
• Module type: Thermocouple input module
• Number of inputs: 2
• Sensor type: Thermocouple
• Supported thermocouple type: Type N
• Cold junction compensation: Integrated
• Resolution: approx. 0.1 °C
• Conversion time: approx. 250 ms
• Diagnostic functions: Line break detection and measurement monitoring
• System supply: 5 V DC via data contacts
• Connection technology: WAGO CAGE CLAMP® terminals
• Mounting: DIN rail (EN 60715)
• Operating temperature: 0 °C to +55 °C
• Protection rating: IP20
• Module width: approx. 12 mm

Industrial Temperature Monitoring

Thermocouple sensors are widely used in industrial automation for measuring temperatures in demanding applications such as furnaces, heat treatment equipment, manufacturing lines and power generation plants. Type N thermocouples provide improved long-term stability compared with traditional thermocouple types in high-temperature environments.

The WAGO 750-461/020-000 integrates these temperature measurements into PLC and automation systems, enabling precise monitoring and control across distributed industrial automation architectures.

Typical Applications

• Industrial furnace and heat treatment monitoring.
• Manufacturing process temperature measurement.
• Energy and power generation systems.
• Machine temperature monitoring and protection.
• Industrial automation and process control systems.

Trusted by Automation Engineers

WAGO 750 Series I/O modules are trusted by automation engineers worldwide to build reliable and scalable distributed control systems for industrial automation.