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Wago 750-663/000-003 Intrinsically Safe, 4-Channel, Profisafe, 24 Vdc With Diagnostics
WAGO 750-663/000-003 intrinsically safe 4-channel digital input module with PROFIsafe communication for hazardous area safety automation systems.
£548.69
Why Choose the WAGO 750-663/000-003 Intrinsically Safe PROFIsafe Digital Input Module?
The WAGO 750-663/000-003 is an intrinsically safe 4-channel digital input module designed for safety-critical automation systems within the WAGO I/O System 750. It enables safe integration of emergency stop switches, safety door interlocks, selector switches and other safety devices into PLC-based control systems using the PROFIsafe protocol.
The module is specifically designed for installations in hazardous environments. It allows intrinsically safe sensors located in Zone 0, Zone 1 and Zone 2 hazardous areas to be connected to safety automation systems while maintaining compliance with functional safety standards. :contentReference
Each of the four inputs is a clock-sensitive fail-safe input powered by two differently clocked test outputs. This architecture continuously monitors wiring conditions and detects cross-circuits or unintended external voltages, ensuring reliable operation in demanding industrial environments. :contentReference
Key Advantages
- Fail-safe 4-channel intrinsically safe digital input module.
- Supports PROFIsafe communication for functional safety systems.
- Allows connection of safety sensors in hazardous zones 0, 1 and 2.
- Continuous monitoring for wiring faults and cross-circuits.
- High safety classifications up to SIL 3 / Category 4 / PL e.
- Compact DIN rail module for WAGO I/O System 750 installations.
Key Features
- 4 fail-safe digital inputs with test pulse monitoring.
- Intrinsically safe signal interface for hazardous area sensors.
- Two clock outputs (T1 and T2) for safety monitoring.
- Continuous detection of cross-circuits and supply faults.
- Configurable input filter times from 0 to 200 ms.
- Status LEDs for channel diagnostics and module status.
- Compatible with PROFIsafe V1 and V2 communication protocols.
- DIN rail mounting for industrial control cabinets.
Safety Automation in Hazardous Areas
Industrial plants operating in hazardous environments such as chemical processing, oil and gas facilities or energy infrastructure require intrinsically safe automation equipment. These systems must prevent sparks or electrical faults that could ignite flammable gases or dust.
The WAGO 750-663/000-003 allows intrinsically safe sensors and safety devices installed in hazardous zones to be connected safely to PLC automation systems. By combining PROFIsafe communication with intrinsically safe signal handling, engineers can implement compliant safety architectures across hazardous industrial installations. :contentReference
Typical Applications
- Emergency stop circuits in hazardous environments.
- Safety door monitoring systems.
- Process safety instrumentation in chemical plants.
- Oil and gas facility safety monitoring.
- Industrial automation systems requiring intrinsically safe inputs.
Technical Specifications
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| Signal / Input Range | 24 V DC | |
|---|---|---|
| Product Series | WAGO I/O System 750 | |
| Device Type | Digital I/O Module | |
| Coil / Supply Voltage | 24 V DC | |
| Signal Type / Function | Digital | |
| Number of I/O | 4 | |
| IP Rating | IP20 | |
| Series | I/O System 750 | |
| Module type | Intrinsically safe fail-safe digital input | |
| Number of inputs | 4 digital inputs | |
| Signal type | 24 V DC digital input | |
| Safety protocol | PROFIsafe | |
| Functional safety rating | up to SIL 3 / Cat. 4 / PL e | |
| Input current | approx. 3 mA per channel | |
| Maximum signal frequency | 50 Hz | |
| Input filter | 0–200 ms configurable | |
| System supply voltage | 5 V DC via system bus | |
| Field supply voltage | 24 V DC intrinsically safe supply | |
| Isolation | approx. 300 VAC system/field | |
| Connection technology | WAGO CAGE CLAMP® spring terminals | |
| Mounting | DIN-35 rail | |
| Protection rating | IP20 | |
| Operating temperature | 0 to 55 °C | |
| Dimensions | approx. 24 × 100 × 67.8 mm | |
| HS Code | 85389099 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the WAGO 750-663/000-003 used for?
The module connects intrinsically safe safety devices such as emergency stop switches and safety sensors to PLC automation systems using PROFIsafe communication.
How many safety inputs does the module provide?
The module provides four intrinsically safe fail-safe digital inputs.
Can it be used in hazardous environments?
Yes. The module supports intrinsically safe connections for sensors located in Zone 0, Zone 1 and Zone 2 hazardous areas. :contentReference
What safety levels are supported?
The module supports safety classifications up to SIL 3 / Category 4 / Performance Level e. :contentReference
Which automation systems support this module?
The module integrates with WAGO I/O System 750 fieldbus couplers and controllers that support PROFIsafe communication.
Trusted by Safety and Automation Engineers
WAGO intrinsically safe I/O modules are widely used in process automation, oil and gas facilities and hazardous industrial environments where reliable functional safety systems are required.
