The Allen-Bradley 440R-EM4R2 is a safety relay expansion module from the Guardmaster series, operating on a 24V DC PELV/SELV power supply with a power-on delay of 5.5 seconds. Its compact size and IP20 terminal protection ensure reliable performance in diverse industrial environments. In North America, Europe, and Asia, the 440R-EM4R2 may possibly enhance safety relay system reliability and could potentially be deployed across the globe, making it an essential component for professional industrial safety and automation applications.