Wago 750-553 4Ao, 0-20Ma

Wago 750-553 4Ao, 0-20Ma

WAGO 750-553 relay output module with four potential-free relay contacts for switching AC or DC loads within the WAGO I/O System 750/753 distributed automation platform.

SKU: 750-553Alt SKU: 750553MPN: 750-553
Price
List Price £246.17 ex VAT
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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.

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.

Technical Specifications

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Signal / Input Range 0–20 mA
Product Series WAGO I/O System 750
Device Type Analogue I/O Module
Output Type Relay
Signal Type / Function Analogue, Relay
Number of I/O 4
IP Rating IP20
Series WAGO I/O System 750 / 753
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
HS Code 85389099
Country of Manufacture Germany

Frequently Asked Questions

What is the WAGO 750-553 module used for?

The module provides four relay outputs allowing PLCs or controllers to switch AC or DC loads such as contactors, valves and signalling devices.

Are the relay contacts electrically isolated?

Yes. The relay contacts are potential-free and provide galvanic isolation between the control system and the switched load.

What voltage can the relay contacts switch?

The contacts can typically switch loads up to approximately 250 V AC or 30 V DC, depending on the load characteristics.

How is the module installed?

The module mounts on a standard 35 mm DIN rail and connects to other WAGO I/O modules via the internal system bus.

Which systems is this module compatible with?

The 750-553 is compatible with the WAGO I/O System 750 and 753, including WAGO PLCs and fieldbus couplers.

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.

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