Pilz Safety Relay PNOZ s4 24V DC, 3 Safety Contacts, 1 Auxiliary Contact, DIN Rail Mount 750104

Pilz 750104 Safety Relay PNOZ s4 24V DC is engineered to provide dependable and robust safety functions in industrial automation environments. This compact safety relay features 3 safety contacts arranged as 3 normally open and 1 normally closed, along with 1 auxiliary contact, ensuring versatile connection possibilities for various safety circuits. It mounts conveniently on a DIN rail and incorporates screw terminals for reliable electrical connection.

The relay supports switching AC and DC voltages up to 240V, powered by a 24V DC coil voltage. Operating temperatures range from -10°C to 55°C, and it complies with stringent safety standards including EN 60947-5-1, VDE 0113-1, and EN 60204-1, ensuring high reliability and safety integrity.

This device features an LED display that provides clear indications of the supply voltage, input statuses for two channels, switch states of safety contacts, reset circuit status, and fault errors. The operating mode is easily set with rotary switches. The device design includes self-monitoring mechanisms to maintain functional safety by testing correct contacts’ opening and closing during each cycle, along with electronic fuse protection against short circuits.

The Pilz PNOZ s4 safety relay is widely used in industrial safety applications such as emergency stop pushbuttons, safety gate limit switches, reset buttons, light barriers, and other protective devices to ensure personnel and machinery safety. It effectively monitors control wiring to detect faults, preventing unsafe conditions by shutting down circuits when hazardous conditions are detected.

Equipped with 3 safety contacts configured as 3 NO/1 NC and 1 auxiliary contact. Features DIN rail mounting and screw terminal connection for ease of installation. Supports switching voltages up to 240V AC/DC with coil voltage of 24V DC.

Includes LED display indicating supply voltage, input and switch status, reset circuit, and error indication. Offers IP54 protection rating and operates between -10°C to 55°C. Conforms to standards EN 60947-5-1, VDE 0113-1, and EN 60204-1 for safety relays.

Incorporates self-monitoring and automatic testing for component failures and proper operation. Designed to control emergency stop pushbuttons, safety gate switches, reset buttons, light barriers, and safety devices.

Pilz safety relays are recognized globally for reliability, widely used in manufacturing, automation, HVAC, and other industrial sectors to improve workplace safety. Explore more Pilz products and Safety Relays in our Electronics & Electricals category here on EnvMart.