WAGO 750-665/000-001 fail-safe 4-channel digital input and output module with PROFIsafe communication for safety automation systems.
£423.79
The WAGO 750-665/000-001 is a fail-safe 4-channel digital input and 4-channel digital output module designed for safety-critical industrial automation systems using the WAGO I/O System 750. It enables safety sensors, emergency stop circuits, guard switches and safety actuators to be integrated into PLC-based control systems using the PROFIsafe safety protocol.
This module combines four clock-sensitive safety inputs and four fail-safe power outputs, allowing both monitoring and control of safety devices from a single module. Each input channel is monitored by dedicated test pulses, enabling detection of wiring faults such as cross-circuits or external voltage supply conditions to ensure reliable functional safety operation. :contentReference
With integrated diagnostics LEDs and electrical isolation between field wiring and system electronics, the module provides reliable safety monitoring and control within distributed automation architectures. :contentReference
Safety automation systems require reliable monitoring of sensors and safe control of actuators to ensure machinery operates within safe conditions. Safety I/O modules form the interface between physical safety devices and the safety PLC controlling the machine.
The WAGO 750-665/000-001 enables both monitoring and control within the same module by combining fail-safe inputs and outputs. This design simplifies safety system architecture while maintaining compliance with international functional safety standards. :contentReference
| Current | 0.5 A |
|---|---|
| IP Rating | IP20 |
| Series | I/O System 750 |
| Module type | Fail-safe digital input/output module |
| Number of inputs | 4 fail-safe digital inputs |
| Number of outputs | 4 fail-safe digital outputs |
| Signal voltage | 24 V DC |
| Output current | up to 0.5 A per channel |
| Safety protocol | PROFIsafe |
| Achievable safety classes | up to Cat. 4 / SIL 3 depending on configuration |
| Input current (typ.) | approx. 2.2 mA per channel |
| Switching frequency | up to approx. 5 Hz (resistive load) |
| System supply voltage | 5 V DC via system bus |
| Field supply voltage | 24 V DC |
| Connection technology | WAGO CAGE CLAMP® terminals |
| Mounting | DIN-35 rail |
| Protection rating | IP20 |
| Operating temperature | 0 to 55 °C |
| Module width | approx. 24 mm |
| HS Code | 85371098 |
| Country of Manufacture | Germany |
This module provides fail-safe digital inputs and outputs allowing safety sensors and actuators to be integrated into PROFIsafe automation systems.
The module provides four fail-safe digital inputs and four fail-safe digital outputs. :contentReference
The field side operates at 24 V DC, while the system bus provides a 5 V DC internal supply. :contentReference
Each input is monitored by clocked test pulse outputs that detect cross-circuits, wiring faults and unintended voltage supply conditions. :contentReference
The module integrates with WAGO I/O System 750 fieldbus couplers and controllers supporting PROFIsafe communication.
WAGO safety I/O modules are widely used in machine automation systems to implement reliable functional safety architectures compliant with international industrial safety standards.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...