The Pilz PNOZ X3 120VAC 24VDC 3N/O 1N/C 1SO (Part No. 774316) is a versatile and reliable safety relay that forms part of the highly respected PNOZ X series. It is specifically engineered to provide dependable monitoring of safety devices and ensure that hazardous machine operations are safely shut down when unsafe conditions are detected. Its combination of AC and DC supply options, flexible outputs, and compact format make it a practical solution for modern safety systems.

The relay is powered primarily by a 120 V AC supply (U1), while the integrated 24 V DC auxiliary supply (U2) enhances functionality and flexibility in integration with automation architectures. With a low power consumption of just 5 VA, the unit provides energy-efficient performance that supports continuous use in demanding environments while minimising power overheads.

The PNOZ X3 is designed to work seamlessly with a wide variety of safety input devices. By connecting emergency stop pushbuttons, safety gates, guard door interlocks, light curtains, or enabling switches, users can rely on this relay to ensure hazardous energy is disconnected the moment a fault or unsafe condition occurs.

The output configuration enhances system safety and monitoring capability. The relay includes 3 normally open (N/O) safety contacts for shutting down actuators, motors, or drives, ensuring a secure stop of hazardous functions. Additionally, it provides 1 normally closed (N/C) auxiliary contact for signalling or diagnostic purposes, making it easy to integrate into higher-level control systems. The inclusion of a semiconductor output (SO) adds further flexibility, enabling fast, wear-free feedback that is especially valuable for diagnostic monitoring and preventative maintenance.

Engineered to comply with EN 60947-4-1 (AC/DC1 utilisation categories), the PNOZ X3 guarantees safe and reliable switching performance for industrial loads up to 240 V AC. This ensures a long service life even under demanding switching conditions, reducing the need for frequent replacements and maintenance.

Installation and integration are made simple thanks to the compact housing design and clearly marked terminals, which streamline wiring and commissioning. The robust build ensures reliable long-term operation, even in environments subject to frequent switching cycles, vibration, or electrical noise.

Applications for the PNOZ X3 120VAC 24VDC span across automotive, packaging, robotics, pharmaceuticals, and general industrial automation. It is particularly valuable in machinery requiring multiple safety outputs combined with diagnostic transparency, supporting both small-scale standalone systems and integration into larger safety architectures.

In summary, the Pilz PNOZ X3 120VAC 24VDC 3N/O 1N/C 1SO (774316) delivers a blend of dual supply flexibility, robust outputs, energy efficiency, and compliance with international safety standards. It is a compact yet powerful safety relay, designed to enhance operator protection and ensure the safe, reliable operation of industrial machinery.