The Pilz PNOZ S11 24VDC 8 N/O 1 N/C, part number 750111, is a powerful safety relay designed to provide reliable monitoring and shutdown of hazardous machine functions. Belonging to the trusted PNOZ range from Pilz, this device offers a high number of outputs, robust switching capacity, and compliance with international safety standards, making it a cornerstone component in advanced machine safety applications.

Operating on a 24 V DC supply, the PNOZ S11 provides dependable performance in industrial control systems. Its robust contact arrangement, comprising 8 normally open (N/O) safety contacts and 1 normally closed (N/C) auxiliary contact, offers exceptional flexibility. The eight N/O contacts allow for simultaneous control of multiple actuators, motors, or circuits, making it especially suitable for large or complex machinery. Meanwhile, the auxiliary N/C contact provides essential feedback and monitoring capability to higher-level control systems, supporting diagnostics and ensuring safe, transparent operation.

The relay delivers strong switching capacity with ratings of 240 V AC at 6 A and 24 V DC at 6 A, allowing it to handle both alternating and direct current circuits effectively. This dual capability enhances its versatility, enabling it to integrate seamlessly into a wide range of industrial systems, whether powered by AC or DC networks.

As with all Pilz safety relays, the PNOZ S11 is manufactured to meet stringent international standards. Its compliance with EN 60947-4-1 utilisation categories ensures reliable and safe performance under demanding operating conditions. This adherence not only provides peace of mind to system designers and operators but also helps manufacturers achieve regulatory compliance across global markets.

The PNOZ S11’s design focus on reliability and scalability makes it particularly valuable in industries where safety functions must cover numerous devices simultaneously. Applications include emergency stop monitoring, safety gate supervision, and the integration of optical safety devices such as light curtains or scanners. By ensuring a rapid and complete shutdown of hazardous energy sources, the relay provides robust protection for both personnel and equipment.

Additionally, its electromechanical design ensures long service life and consistent switching performance, even under high operating cycles. The device is built to withstand the rigours of continuous industrial operation, offering low maintenance requirements and a high level of operational availability.

In summary, the Pilz PNOZ S11 24VDC 8 N/O 1 N/C (750111) is a high-capacity safety relay designed for complex machine safeguarding. With its eight N/O safety contacts, auxiliary feedback contact, strong switching ratings, and compliance with EN 60947-4-1, it provides a versatile and reliable solution for ensuring operator safety and machine protection across a wide variety of industrial environments.