The Pilz PSEN1.1A-22/PSEN 1.1-20/8 MM/5M/IX1/1 (504228) is a compact and reliable safety switch engineered to deliver dependable monitoring of safety functions in industrial automation. As part of the well-regarded Pilz PSEN range, this model combines robust electrical performance with flexible installation, making it a trusted solution for safeguarding personnel and equipment.

Operating on a 24 V DC supply voltage, the switch ensures stable and predictable response characteristics. With both supply and switching voltage at 24 V DC, it integrates seamlessly into safety-related control circuits, offering straightforward compatibility with other components in Pilz safety architectures. This uniform voltage specification reduces complexity in system design and enhances overall reliability.

The PSEN1.1A-22 is designed for precision switching, with a sensing distance of 8 mm. This ensures accurate actuation while reducing the risk of false triggering or unintended disengagement. Whether used on protective covers, doors, or access guards, it provides dependable functionality, ensuring machinery is halted or controlled whenever safety access points are compromised.

Durability and environmental resilience are key aspects of its design. The unit operates reliably within an ambient temperature range of -10 °C to +70 °C, ensuring suitability for both chilled environments and high-temperature industrial settings. Even when installed at altitudes up to 2000 m, the device maintains its rated performance, providing flexibility for deployment in a wide variety of facilities.

The inclusion of a 5-metre connection cable further enhances installation flexibility. Engineers can position the switch to suit specific machine layouts without the need for additional extensions or connectors, reducing installation time and minimising potential weak points in the safety circuit. This makes the device particularly valuable in larger or more complex machine guarding applications.

Built to Pilz’s high standards of safety and quality, the PSEN1.1A-22 combines robust design, dependable switching, and simple integration. It is part of Pilz’s extensive safety portfolio, which is widely recognised for reliability and compliance with international standards. By incorporating this safety switch, operators benefit from a proven solution that protects personnel, reduces downtime, and enhances the overall safety of their machinery.

In summary, the Pilz PSEN1.1A-22/PSEN 1.1-20/8 MM/5M/IX1/1 (504228) offers a powerful combination of precision, durability, and installation flexibility. With its 24 V DC operation, 8 mm sensing distance, and wide environmental tolerance, it provides engineers and system integrators with a trusted safety solution for a broad range of automation applications.