The Pilz PNOZ s Set – Spring Loaded Terminals 22.5 mm (751004) is a compact and lightweight module designed for seamless integration into Pilz’s renowned PNOZsigma safety relay series. Known for their reliability in machine safety applications, PNOZ relays are widely used across industries to monitor emergency stop functions, safety gates, light curtains, and other critical protective devices. This version, equipped with spring-loaded terminals, provides secure connections, simplified wiring, and enhanced resistance to vibration.

One of the key advantages of this model is its spring-loaded terminal technology. Unlike screw-type terminals, spring-loaded connections maintain consistent contact pressure, reducing the risk of loosening over time due to vibration or thermal cycling. This ensures long-lasting electrical integrity and minimises the need for maintenance checks or retightening. For machine builders and operators, this means improved reliability in environments where equipment is subject to continuous movement or mechanical stress.

The relay features a compact housing width of 22.5 mm, making it especially suitable for control cabinets where space efficiency is critical. By conserving space without sacrificing functionality, this design supports streamlined installations and facilitates the integration of multiple safety relays into a single panel.

Despite its robust capabilities, the device is lightweight, with a net weight of only 27 g (gross 28 g). This makes it easy to handle during installation, while still providing the mechanical strength and durability expected from Pilz products. Its slim, user-friendly design also reduces wiring complexity, ensuring faster setup times and minimising potential errors during commissioning.

As part of the Pilz PNOZsigma product family, the PNOZ s Set spring-loaded terminal version is fully compatible with a wide range of Pilz safety relays. These relays are trusted worldwide for monitoring essential safety functions, shutting down machinery safely in hazardous conditions, and supporting compliance with international safety standards such as EN ISO 13849 and IEC 62061. By using the spring-loaded terminal option, engineers gain additional confidence in the long-term reliability and stability of their safety circuits.

The module is widely applicable across industries such as automotive, packaging, food and beverage, and logistics—anywhere safety relays are employed to protect workers and equipment. Its ability to withstand vibration and maintain secure connections makes it particularly suitable for high-duty-cycle environments or installations where reduced maintenance is a priority.

In summary, the Pilz PNOZ s Set – Spring Loaded Terminals 22.5 mm (751004) offers a compact, lightweight, and vibration-resistant safety relay solution. With spring-loaded terminals for reliable connectivity, a space-saving design, and full compatibility with the PNOZsigma range, it ensures dependable machine safety in even the most demanding applications.