The Allen-Bradley 440G-TZS21UPLH is a Guard Locking Switch from the Guardmaster Safety Relays series, operating on a solenoid voltage of 24 Volts AC/DC. It features a fully flexible actuator, providing reliable and adaptable safety control in industrial environments. In North America, Europe, and Asia, the 440G-TZS21UPLH may possibly enhance safety system performance and could potentially be deployed across the globe, making it an essential component for professional industrial automation and Guardmaster safety applications.