Allen-Bradley 440N-Z21S16H Guardmaster 440N RFID Safety Switch

The Guardmaster 440N RFID Safety Switch, also known as RFID safety interlock, RFID sensor switch, or guard door switch, from Allen-Bradley with type number 440N-Z21S16H is an electronic component from the field of switchgear and protection systems designed to enhance machine and equipment safety in industrial environments. It features 3 PNP safety contacts and 1 auxiliary PNP output. The device has an IP69K rating. It has the dimensions 1.8 x 3 x 25 cm and weighs 0.06 kg. Another part number for this product is 9111.00016 from Hunkeler. RFID safety switches are used for monitoring safety devices and access points to ensure the safe operation of machinery and secure hazardous areas. Typical applications can be found in mechanical engineering and automation technology, particularly in packaging machines and conveyor systems.

The Guardmaster is an advanced RFID safety switch designed to enhance machine and equipment safety in industrial environments. It features 3 PNP safety contacts and 1 auxiliary PNP output, with an IP69K rating