Overview
The Pilz PNOZ X2.1 model 774306 is an industrial-grade safety relay module manufactured by Pilz, a leading German automation safety specialist. The PNOZ X2.1 series from Pilz are Emergency stop relay and safety gate monitor. This standalone relay is optimized for critical safety applications in machinery and industrial control systems, delivering redundant monitoring with automatic self-checking.
Key Features
- 1/2-channel wiring with/without detection of shorts across contacts, 2 N/O outputs, automatic/manual start
- LED indicator shows channel status from 1 to 2 and monitors supply voltage
- Safety function remains effective in case of component failure
- Automatic testing of correct opening and closing in each on/off cycle
- Applications include monitoring safety gates, instantaneous Emergency Stop monitoring, and limit switch monitoring
Technical Specifications
- Input Supply Voltage: 24V AC/DC
- Output Contacts: 2 N/O (normally-open)
- Input Channels: 1 or 2-channel wiring configuration
- Terminal Type: Screw terminals integrated
- Module Width: 22.5 mm
- Standards Compliance: Meets VDE 0113-1 Part 1 and EN 60204-1 standards
- Safety Category: Category 4, EN 954-1
- Start Modes: Automatic, manual, or monitored start options
Typical Applications
The PNOZ X2.1 is well-suited for machinery requiring dual-channel redundancy and continuous self-monitoring:
- Emergency Stop (E-Stop) button circuits
- Safety gate interlocks and monitoring
- Light curtain and light grid integration
- Limit switch safety monitoring
- Industrial press and stamping equipment control
- Access gate and enclosure protection systems
Compatibility & Replacements
Compatible With
- DIN-rail mounted control panels
- 24V AC/DC industrial control systems
- Pilz safety gate monitors and light barriers
- Standard E-Stop pushbutton circuits
- Forced-contact limit switches
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Contact us for alternative PNOZ series models (PNOZ X2, PNOZ X2.2, PNOZ X5) if this configuration does not match your safety requirements.
Works With
- Pilz safety relay expander modules for increased output contacts
- Industrial relays and contactors with positive-guided contacts
- Standard 24V DC safety circuits per EN 954-1 Category 4
- Single or dual-channel safety wiring topologies
