The Pilz PNOZ 11 230–240VAC 24VDC 7N/O 1N/C (Part No. 774086) is a robust and versatile safety relay designed to provide reliable monitoring of safety functions and the secure disconnection of hazardous machinery. As part of Pilz’s trusted PNOZ series, this model is engineered to handle complex safety requirements in medium to large-scale industrial environments.

The relay is powered by a 230–240 V AC supply (U1) and also includes a 24 V DC auxiliary supply (U2), giving it the flexibility to integrate seamlessly into a wide range of control system architectures. This dual supply capability ensures consistent performance across diverse industrial setups, making it a highly adaptable choice for machine builders and operators.

The PNOZ 11 features two inputs, allowing for dual-channel monitoring of critical safety devices such as emergency stop pushbuttons, light curtains, enabling switches, or guard door interlocks. Dual-channel monitoring improves redundancy, ensuring that faults such as short circuits, wiring errors, or component failures are immediately detected, preventing unsafe conditions and guaranteeing compliance with stringent safety requirements.

A key strength of this safety relay is its output configuration. With 7 normally open (N/O) safety contacts, it provides multiple switching options for safely disconnecting actuators, motors, or contactors. These contacts enable comprehensive protection across several machine functions or zones, making the relay particularly suitable for complex safety circuits. Additionally, the 1 normally closed (N/C) auxiliary contact provides valuable feedback for diagnostic or control purposes, allowing higher-level systems to monitor relay status and improving system transparency.

The relay is designed to meet EN 60947-4-1 utilisation categories (AC/DC1), ensuring robust switching performance under demanding industrial conditions. It supports reliable switching of loads up to 240 V AC, giving it the versatility needed to handle diverse applications. With a power consumption of 9 VA on the AC supply, it delivers efficient performance while maintaining long service life.

The compact design and clearly marked terminals simplify installation and wiring, making integration into existing control panels straightforward. Its rugged build ensures long-term durability in environments subject to vibration, dust, or frequent operational cycles, reducing the need for maintenance and minimising system downtime.

Applications for the PNOZ 11 span across automotive manufacturing, robotics, packaging, material handling, and process industries, where multiple machine functions or safety devices must be reliably supervised. Its extensive output contacts make it ideal for protecting complex machinery, ensuring that hazardous operations are consistently brought to a safe state when a safety input is activated.

In summary, the Pilz PNOZ 11 230–240VAC 24VDC 7N/O 1N/C (774086) combines dual supply compatibility, dual-channel input monitoring, extensive safety outputs, and robust industrial design. It is a powerful and adaptable safety relay that enhances operator protection and ensures compliance with international safety standards in demanding industrial environments.