Product Description
Pilz 774502 PNOZ s4 C Safety Relay
The Pilz 774502, part of the PNOZsigma series, is a high-performance safety relay designed for monitoring critical safety functions such as E-STOP pushbuttons, safety gates, and light barriers. This compact 22.5 mm unit provides reliable and safe control, ensuring machinery is brought to a safe state in the event of a hazard. It features plug-in spring-loaded terminals for fast, secure installation and maintenance. Engineered to meet the highest safety standards, including PL e (Cat. 4) and SIL CL 3, the PNOZ s4 C is an ideal solution for applications requiring dependable machine safety and operational efficiency in a space-saving design.
Technical Specifications:
- Supply Voltage: 24 V DC
- Safety Contacts: 3 N/O (Normally Open)
- Auxiliary Contacts: 1 N/C (Normally Closed)
- Safety Integrity Level: PL e (Cat. 4) according to EN ISO 13849-1, SIL CL 3 according to IEC 62061
- Terminal Type: Plug-in, spring-loaded terminals
- Dimensions (W x H x D): 22.5 mm x 100 mm x 120 mm

Pilz 774502
Discover the Pilz 774502 PNOZ s4 C, a compact 24V DC safety relay for E-STOP and safety gate applications. Features 3 N/O safety contacts and meets the highest safety standards, PL e and SIL 3, ensuring reliable machine safety.









