The Pilz PZA 300/230VAC 1N/O 2N/C, part number 774026, is a reliable and durable safety relay designed to safeguard machinery and operators by providing dependable monitoring and switching of safety functions. As part of the trusted Pilz PZA series, it offers a straightforward yet robust solution for implementing safety requirements in industrial automation systems.

Operating on a 230 V AC supply, this relay is well-suited for integration into standard power networks used across global industries. Its design ensures seamless compatibility with widely adopted voltage levels, simplifying installation and reducing the need for additional adaptation in control panels.

The contact configuration of the PZA 300/230VAC is designed to balance safety shutdown and system monitoring needs. It includes 1 normally open (N/O) safety contact, which ensures reliable disconnection of hazardous energy sources when a safety condition is triggered. In addition, 2 normally closed (N/C) auxiliary contacts are provided to deliver feedback signals to higher-level control systems, PLCs, or operator interfaces. This dual functionality enhances operational visibility, enabling operators to quickly verify relay status and improving diagnostic efficiency.

With a switching capacity of 240 V AC at 6 A and 24 V DC, the relay is capable of handling a wide range of industrial loads, including motors, actuators, and other electromechanical devices. This versatility makes it suitable for both AC- and DC-based safety circuits, offering flexibility in system design and deployment.

The PZA 300/230VAC is fully compliant with EN 60947-4-1 utilisation categories, ensuring it meets international standards for safety relays. This compliance guarantees that the device delivers reliable switching performance under varying conditions, supporting machine builders and operators in maintaining adherence to safety directives.

Compact and robust, the relay is constructed with high-quality electromechanical components for a long service life and consistent performance under demanding conditions. Its design minimises the risk of faults and reduces maintenance requirements, providing long-term cost efficiency.

Typical applications include monitoring and controlling safety devices such as emergency stop pushbuttons, guard door switches, light curtains, and two-hand controls. The relay ensures hazardous energy is disconnected quickly and effectively when triggered, protecting operators while maintaining system integrity.

Industries such as manufacturing, packaging, robotics, and process automation benefit from the PZA 300/230VAC, especially where both dependable safety shutdown and reliable system feedback are required.

In summary, the Pilz PZA 300/230VAC 1N/O 2N/C (774026) is a versatile, standards-compliant safety relay that combines compact design, strong switching performance, and balanced contact configuration. With its 230 V AC operation, integrated auxiliary monitoring, and robust construction, it provides a reliable solution for protecting operators and machinery in a wide range of industrial applications.