PILZ PZE X4V 1s Safety RelayPILZ PZE X4V 1s Safety Relay The PILZ PZE X4V 1s is a safety relay designed for monitoring emergency stop circuits, safety gates, and other critical control functions in industrial automation. Built with high reliability and safety standards, it provides dependable switching and ensures compliance with machine safety requirements. Key Specifications: Model: PZE X4V 1s Supply Voltage: 24 VDC Power Consumption: 2. 5 W Contacts: 4 N O (safety contacts)