Wago 750-461/025-000 2Ai, Pt100/Rtd

Why Choose the WAGO 750-461/025-000 RTD Temperature Input Module?

The WAGO 750-461/025-000 is a reliable 2-channel analogue input module designed for the WAGO 750 Series distributed I/O system. It enables direct connection of Pt resistance temperature sensors, converting temperature measurements into digital values for PLCs and industrial automation controllers.

This module supports Pt100 and other RTD sensors using two-wire or three-wire connections and automatically linearises the full temperature range to ensure accurate readings. Integrated diagnostics detect sensor faults such as line breaks, short circuits or measurement range errors, providing clear status indication via front-panel LEDs. :contentReference

With seamless integration into WAGO fieldbus couplers and controllers, the 750-461/025-000 provides dependable temperature monitoring across industrial processes, machinery and building automation systems.

Key Advantages

• Reliable 2-channel RTD temperature measurement.
• Supports Pt100 resistance temperature sensors.
• Compatible with two-wire and three-wire RTD connections.
• Automatic temperature linearisation across the measurement range.
• Sensor diagnostics including short-circuit and wire-break detection.
• Designed for the modular WAGO 750 Series I/O platform.

Key Features

• 2 analogue temperature input channels.
• Supports Pt100 RTD resistance sensors.
• 2-wire and 3-wire sensor connection.
• Automatic signal linearisation.
• 16-bit measurement data resolution.
• Status LEDs for module operation and fault indication.
• 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: 750-461/025-000
• Module type: RTD analogue input module
• Number of inputs: 2
• Sensor type: Pt resistance temperature sensors (e.g. Pt100)
• Connection types: 2-wire or 3-wire RTD
• Resolution: 16-bit measurement data
• Diagnostic functions: Line break, short circuit and range monitoring
• System supply: 5 V DC via data contacts
• Connection technology: WAGO CAGE CLAMP® terminals
• Mounting: DIN rail (EN 60715)
• Protection rating: IP20
• Operating temperature: Industrial operating range
• Module width: approx. 12 mm

Industrial Temperature Monitoring

Resistance temperature detectors such as Pt100 sensors are widely used in industrial automation because they provide stable and accurate temperature measurement across a wide range of applications. RTD sensors are commonly used in process control systems, HVAC installations and machine monitoring.

The WAGO 750-461/025-000 integrates these sensor signals into PLC and automation systems, enabling reliable monitoring, data acquisition and process control across distributed industrial networks. :contentReference

Typical Applications

• Industrial temperature monitoring with Pt100 sensors.
• Machine condition monitoring and protection.
• Manufacturing process control.
• Building automation and HVAC systems.
• Energy, environmental and utility monitoring.

Trusted by Automation Engineers

WAGO 750 Series I/O modules are widely trusted by automation engineers and system integrators to build reliable distributed control systems across industrial automation environments.