Wago 750-553 4Ao, 0-20Ma

Why Choose the WAGO 750-553 Relay Output Module?

The WAGO 750-553 is a compact 4-channel relay output module designed for integration with the WAGO I/O System 750 and 753 distributed automation platform. It enables PLCs and fieldbus controllers to switch AC or DC loads using mechanical relay contacts, providing a flexible interface between low-voltage control signals and external electrical circuits.

Each channel provides a potential-free relay contact, allowing the module to safely control higher voltage devices such as contactors, solenoid valves, alarms, motors and signalling equipment. This capability makes the module suitable for a wide range of industrial automation and building control applications.

The compact DIN rail design supports efficient cabinet layouts while maintaining reliable switching performance. WAGO’s proven CAGE CLAMP® spring pressure connection technology ensures quick installation, secure connections and vibration-resistant wiring in demanding industrial environments.

Key Advantages

• 4 relay output channels for switching multiple loads.
• Potential-free relay contacts for AC and DC switching.
• Provides electrical isolation between PLC control signals and field circuits.
• Compact DIN rail module for efficient control cabinet design.
• CAGE CLAMP® spring pressure terminals for reliable wiring.
• Fully compatible with the WAGO I/O System 750 and 753.

Key Features

• 4-channel relay output module.
• Potential-free switching contacts.
• Mechanical relay switching for AC and DC loads.
• Electrical isolation between system and field circuits.
• DIN rail mounting for control cabinets.
• CAGE CLAMP® spring connection technology.
• Part of the WAGO distributed I/O architecture.
• Designed for industrial and building automation systems.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750 / 753
• Model: 750-553
• Module type: Relay output module
• Number of outputs: 4 relay outputs
• Contact type: Potential-free relay contacts
• Maximum switching voltage: approx. 250 V AC / 30 V DC
• Maximum switching current: approx. 2 A per channel
• Switching type: Mechanical relay
• System supply voltage: 5 V DC via internal system bus
• Connection technology: CAGE CLAMP® spring connection
• Mounting type: 35 mm DIN rail
• Dimensions: approx. 100 × 24 × 67.8 mm
• Operating temperature: -20 °C to +60 °C
• Protection rating: IP20
• Isolation: galvanic isolation between system and field circuits
• Approvals: CE, UL and international industrial approvals

Reliable Distributed Automation with WAGO I/O

The WAGO I/O System 750/753 provides a flexible distributed automation platform widely used in machine control, factory automation and building management systems. The modular architecture allows digital, analogue and communication modules to be combined to create scalable automation solutions.

Relay output modules such as the 750-553 are ideal when switching higher voltage loads or when galvanic isolation between PLC logic and external circuits is required. Mechanical relay contacts provide a reliable and versatile interface for controlling external equipment from automation systems.

Typical Applications

• Industrial automation control panels.
• PLC-controlled relay switching.
• Machine control and process automation.
• Switching AC loads and higher voltage circuits.
• Alarm and signalling systems.
• Building automation and facility control systems.

Trusted by Automation Engineers

WAGO relay output modules are trusted worldwide by automation engineers and machine builders for dependable switching performance, electrical isolation and flexible integration in industrial control systems.