The Pilz PNOZ X4 230VAC 3N/O 1N/C (part no. 774738) is a robust safety relay designed for reliable monitoring of emergency stop devices, safety gates, and other safety-critical functions in industrial environments. As part of the renowned PNOZ X series, it delivers proven safety performance, straightforward integration, and long service life, making it a trusted choice for machine builders and plant operators worldwide.

Operating at a 230 V AC supply voltage, the PNOZ X4 integrates seamlessly into standard industrial power environments without requiring additional voltage adaptation. Its low power consumption of only 5 VA makes it an energy-efficient solution, supporting cost-effective operation in continuous-use systems.

The relay provides three normally open (N/O) safety contacts and one normally closed (N/C) auxiliary contact, offering flexibility for different circuit configurations. The N/O contacts can be used to switch safety-relevant circuits, while the N/C contact provides status monitoring, ensuring operators and control systems are always informed of the relay’s state. This combination enhances both functional safety and diagnostic capability.

Designed with dual-channel input monitoring, the PNOZ X4 increases safety by ensuring redundancy and fault detection. This feature is critical for applications involving emergency stop buttons, protective doors, or light curtains, where uninterrupted protection is required. The device ensures that dangerous machine functions are halted immediately when a safety input is triggered, safeguarding personnel and equipment.

Compliance with EN 60947-4-1 utilisation categories demonstrates the relay’s ability to operate reliably under AC/DC load conditions. This makes the PNOZ X4 suitable for a wide range of industrial applications, from heavy-duty manufacturing and assembly lines to packaging machinery and material handling systems.

Built with Pilz’s renowned commitment to quality, the PNOZ X4 is engineered for durability and long service life. Its straightforward wiring and clear design reduce installation time, while its dependable switching capacity supports reliable performance in demanding environments. Maintenance and troubleshooting are simplified through the auxiliary N/C contact, which provides a straightforward method of checking operational status.

The PNOZ X4 is widely used in industries such as automotive manufacturing, food and beverage processing, robotics, and general machine building. In each case, it delivers consistent safety monitoring, helping companies comply with international safety standards such as ISO 13849-1 and IEC 62061 while protecting operators from risk.

In summary, the Pilz PNOZ X4 230VAC 3N/O 1N/C is a versatile and reliable safety relay designed for modern industrial safety requirements. With its 230 V AC compatibility, 3 N/O + 1 N/C contact configuration, dual-channel monitoring, and compliance with EN 60947-4-1 standards, it provides an essential solution for ensuring safety and efficiency in machine and process applications.