The Pilz Contact Expansion Module features 1-channel wiring and includes 4 normally open timed-delay (N/O t-d) outputs. It operates with a 24 V DC supply voltage (UB) and has a width of 22.5 mm. The module integrates screw terminals for secure and easy connections. This delay-on de-energization contact block is designed for contact expansion in conjunction with safety-related control components. The delay time is permanently set to 0.5 seconds, ensuring a controlled response in safety-critical applications. CE and UKCA listed AgCuNi is the relay contact material RoHS compliant