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Relay Module with Fail-Safe Outputs

Switch high capacitive and inductive loads: the new I/O module for functional safety offers four fail-safe relay outputs and also four fail-safe digital inputs for a wide range of applications.

With outputs for both single-phase and three-phase currents, it provides potential-free switching of high capacitive and inductive loads (e.g., power contactors and individual valves) up to 48 VAC and 60 VDC. This relay is also the optimal solution for linking different safety sectors of machines to obtain interlinked systems.

Technical Highlights:

  • 4 fail-safe relay outputs 48 VAC/60 VDC, with 6 A each (total current 24 A)
  • 4 fail-safe digital inputs 24 V

  • Suitable for safety functions up to SIL 2, PLd/Cat. 2 (1-channel) and SIL 3, PLe/Cat. 4 (2-channel)

  • Isolated and pulse-current-resistant relay outputs
  • Extensive diagnostics via LED and fieldbus

Fail-Safe Relay Module

WAGO's 750-669/000-003 Relay Module is equipped with internally redundant monitored channels, which ensure safe and reliable activation and deactivation of safety-related systems and devices. The comprehensive electrical isolation of the module outputs decouples the potentials of different devices and machines in a simple manner.

Data sheet for more information

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Your Added Value with WAGO:

  • Integrated feedback inputs for a compact design
  • Electrical isolation simplifies machine coupling
  • Quickly swap devices without specially training maintenance personnel

Cost-Effective, Top-of-the-Line Solution

The features of the safety relay module are impressive: four isolated output channels enable switching of loads up to 48 VAC/60 VDC. Also on board are four fail-safe feedback inputs, which can monitor the status of the contactor contacts, for example. Other technical features, such as an output current of 6 A per channel, pulse-current resistance up to 30 A, and a total current of 24 A, help enhance the practical use of the module. And don’t forget the PROFIsafe-compliant iPar server. When a device is replaced, this server transfers the correct parameters automatically and securely to the new I/O module. But this relay not only excels from a technical viewpoint: The price/performance ratio of the 750-669/000-003 provides benefits across the board. Another impressive feat: the relay’s extensive range of functions are all provided on the mere 48 mm of this module; “top form” from WAGO for space-saving installation on the DIN-rail.

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For Functional Safety

Full Range of Setting Options

The relay module can be easily configured using a WAGO controller’s device description file. All inputs can be easily configured and documented using the WAGO-I/O-CHECK Software, enabling them to be optimally matched to the application at hand. In addition to error evaluation such as short circuit, external voltage and discrepancy, WAGO's relay module also offers different filter times and operation modes. An additional advantage is that parameters can also be accessed via the “Tool Calling Interface” (TCI) engineering software.

Product Overview

Product Overview